[libvirt] [snmp PATCH 03/20] configure: Drop support for libvirt older than 0.9.0
Michal Privoznik
mprivozn at redhat.com
Thu Oct 18 12:26:41 UTC 2018
Historically, we wanted libvirt-snmp to build on RHEL-6.0 which
contained ancient libvirt. It's not the case anymore - after six
years it is safe to assume everybody upgraded to something newer.
Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
configure.ac | 29 +-
src/Makefile.am | 18 --
src/event_poll.c | 724 ---------------------------------------------
src/event_poll.h | 132 ---------
src/ignore-value.h | 64 ----
src/internal.h | 138 ---------
src/libvirtSnmp.c | 24 +-
src/memory.c | 313 --------------------
src/memory.h | 212 -------------
src/threads.c | 251 ----------------
src/threads.h | 101 -------
src/util.c | 105 -------
src/util.h | 38 ---
13 files changed, 2 insertions(+), 2147 deletions(-)
delete mode 100644 src/event_poll.c
delete mode 100644 src/event_poll.h
delete mode 100644 src/ignore-value.h
delete mode 100644 src/internal.h
delete mode 100644 src/memory.c
delete mode 100644 src/memory.h
delete mode 100644 src/threads.c
delete mode 100644 src/threads.h
delete mode 100644 src/util.c
delete mode 100644 src/util.h
diff --git a/configure.ac b/configure.ac
index b8cc784..7834c34 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,39 +23,12 @@ dnl
dnl do we have libvirt installed?
-LIBVIRT_REQUIRED=0.8.0
+LIBVIRT_REQUIRED=0.9.0
PKG_CHECK_MODULES(LIBVIRT, libvirt >= $LIBVIRT_REQUIRED)
LIBVIRT_LIBS="$LIBVIRT_LIBS -lvirt"
AC_SUBST(LIBVIRT_LIBS)
-dnl do we have old libvirt?
-save_CFLAGS="$CFLAGS"
-save_LDFLAGS="$LDFLAGS"
-save_LIBS="$LIBS"
-CFLAGS="$CFLAGS $LIBVIRT_CFLAGS"
-LDFLAGS="$CFLAGS $LIBVIRT_LIBS"
-AC_CHECK_LIB([virt], [virEventRunDefaultImpl], [old=0], [old=1])
-CFLAGS="$save_CFLAGS"
-LDFLAGS="$save_LDFLAGS"
-LIBS="$save_LIBS"
-if test $old = 1 ; then
- AC_DEFINE_UNQUOTED([LIBVIRT_OLD], ["$old"], [we are using old libvirt
- which does not have new event api])
- AC_CHECK_FUNCS([gettimeofday])
- AC_CHECK_FUNCS([memmove])
- AC_CHECK_HEADERS([fcntl.h])
- AC_CHECK_HEADERS([stddef.h])
- AC_CHECK_HEADERS([sys/time.h])
- AC_CHECK_TYPES([ptrdiff_t])
- AC_C_INLINE
- AC_FUNC_REALLOC
- AC_HEADER_STDBOOL
- AC_TYPE_PID_T
- AC_HEADER_TIME
-fi
-AM_CONDITIONAL([LIBVIRT_OLD], [test $old = 1])
-
SNMP_CONFIG="net-snmp-config"
SNMP_CFLAGS=""
SNMP_LIBS=""
diff --git a/src/Makefile.am b/src/Makefile.am
index 622a280..0c9b856 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,19 +1,5 @@
bin_PROGRAMS=libvirtMib_subagent
-LIBVIRT_OLD_SRCS = \
- threads.c \
- event_poll.c \
- memory.c \
- util.c
-
-LIBVIRT_OLD_HDRS = \
- internal.h \
- ignore-value.h \
- threads.h \
- event_poll.h \
- memory.h \
- util.h
-
USER_SRCS = \
libvirtGuestTable_data_get.c \
libvirtGuestTable_data_set.c \
@@ -61,10 +47,6 @@ libvirtMib_subagent_LDADD= \
$(LIBVIRT_LIBS) \
$(SNMP_LIBS)
-if LIBVIRT_OLD
-libvirtMib_subagent_SOURCES+=${LIBVIRT_OLD_SRCS} ${LIBVIRT_OLD_HDRS}
-endif
-
EXTRA_DIST = LIBVIRT-MIB.txt
install-data-local:
diff --git a/src/event_poll.c b/src/event_poll.c
deleted file mode 100644
index f8c4a8b..0000000
--- a/src/event_poll.c
+++ /dev/null
@@ -1,724 +0,0 @@
-/*
- * event.c: event loop for monitoring file handles
- *
- * Copyright (C) 2007, 2010-2011 Red Hat, Inc.
- * Copyright (C) 2007 Daniel P. Berrange
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Author: Daniel P. Berrange <berrange at redhat.com>
- */
-
-#include <config.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <poll.h>
-#include <sys/time.h>
-#include <errno.h>
-#include <unistd.h>
-
-#include "threads.h"
-#include "event_poll.h"
-#include "memory.h"
-#include "util.h"
-#include "ignore-value.h"
-
-#define EVENT_DEBUG(fmt, ...) VIR_DEBUG(fmt, __VA_ARGS__)
-
-static int virEventPollInterruptLocked(void);
-
-/* State for a single file handle being monitored */
-struct virEventPollHandle {
- int watch;
- int fd;
- int events;
- virEventHandleCallback cb;
- virFreeCallback ff;
- void *opaque;
- int deleted;
-};
-
-/* State for a single timer being generated */
-struct virEventPollTimeout {
- int timer;
- int frequency;
- unsigned long long expiresAt;
- virEventTimeoutCallback cb;
- virFreeCallback ff;
- void *opaque;
- int deleted;
-};
-
-/* Allocate extra slots for virEventPollHandle/virEventPollTimeout
- records in this multiple */
-#define EVENT_ALLOC_EXTENT 10
-
-/* State for the main event loop */
-struct virEventPollLoop {
- virMutex lock;
- int running;
- virThread leader;
- int wakeupfd[2];
- size_t handlesCount;
- size_t handlesAlloc;
- struct virEventPollHandle *handles;
- size_t timeoutsCount;
- size_t timeoutsAlloc;
- struct virEventPollTimeout *timeouts;
-};
-
-/* Only have one event loop */
-static struct virEventPollLoop eventLoop;
-
-/* Unique ID for the next FD watch to be registered */
-static int nextWatch = 1;
-
-/* Unique ID for the next timer to be registered */
-static int nextTimer = 1;
-
-/*
- * Register a callback for monitoring file handle events.
- * NB, it *must* be safe to call this from within a callback
- * For this reason we only ever append to existing list.
- */
-int virEventPollAddHandle(int fd, int events,
- virEventHandleCallback cb,
- void *opaque,
- virFreeCallback ff) {
- int watch;
- EVENT_DEBUG("Add handle fd=%d events=%d cb=%p opaque=%p", fd, events, cb, opaque);
- virMutexLock(&eventLoop.lock);
- if (eventLoop.handlesCount == eventLoop.handlesAlloc) {
- EVENT_DEBUG("Used %zu handle slots, adding at least %d more",
- eventLoop.handlesAlloc, EVENT_ALLOC_EXTENT);
- if (VIR_RESIZE_N(eventLoop.handles, eventLoop.handlesAlloc,
- eventLoop.handlesCount, EVENT_ALLOC_EXTENT) < 0) {
- virMutexUnlock(&eventLoop.lock);
- return -1;
- }
- }
-
- watch = nextWatch++;
-
- eventLoop.handles[eventLoop.handlesCount].watch = watch;
- eventLoop.handles[eventLoop.handlesCount].fd = fd;
- eventLoop.handles[eventLoop.handlesCount].events =
- virEventPollToNativeEvents(events);
- eventLoop.handles[eventLoop.handlesCount].cb = cb;
- eventLoop.handles[eventLoop.handlesCount].ff = ff;
- eventLoop.handles[eventLoop.handlesCount].opaque = opaque;
- eventLoop.handles[eventLoop.handlesCount].deleted = 0;
-
- eventLoop.handlesCount++;
-
- virEventPollInterruptLocked();
- virMutexUnlock(&eventLoop.lock);
-
- return watch;
-}
-
-void virEventPollUpdateHandle(int watch, int events) {
- int i;
- EVENT_DEBUG("Update handle w=%d e=%d", watch, events);
-
- if (watch <= 0) {
- VIR_WARN("Ignoring invalid update watch %d", watch);
- return;
- }
-
- virMutexLock(&eventLoop.lock);
- for (i = 0 ; i < eventLoop.handlesCount ; i++) {
- if (eventLoop.handles[i].watch == watch) {
- eventLoop.handles[i].events =
- virEventPollToNativeEvents(events);
- virEventPollInterruptLocked();
- break;
- }
- }
- virMutexUnlock(&eventLoop.lock);
-}
-
-/*
- * Unregister a callback from a file handle
- * NB, it *must* be safe to call this from within a callback
- * For this reason we only ever set a flag in the existing list.
- * Actual deletion will be done out-of-band
- */
-int virEventPollRemoveHandle(int watch) {
- int i;
- EVENT_DEBUG("Remove handle w=%d", watch);
-
- if (watch <= 0) {
- VIR_WARN("Ignoring invalid remove watch %d", watch);
- return -1;
- }
-
- virMutexLock(&eventLoop.lock);
- for (i = 0 ; i < eventLoop.handlesCount ; i++) {
- if (eventLoop.handles[i].deleted)
- continue;
-
- if (eventLoop.handles[i].watch == watch) {
- EVENT_DEBUG("mark delete %d %d", i, eventLoop.handles[i].fd);
- eventLoop.handles[i].deleted = 1;
- virEventPollInterruptLocked();
- virMutexUnlock(&eventLoop.lock);
- return 0;
- }
- }
- virMutexUnlock(&eventLoop.lock);
- return -1;
-}
-
-
-/*
- * Register a callback for a timer event
- * NB, it *must* be safe to call this from within a callback
- * For this reason we only ever append to existing list.
- */
-int virEventPollAddTimeout(int frequency,
- virEventTimeoutCallback cb,
- void *opaque,
- virFreeCallback ff) {
- struct timeval now;
- int ret;
- EVENT_DEBUG("Adding timer %d with %d ms freq", nextTimer, frequency);
- if (gettimeofday(&now, NULL) < 0) {
- return -1;
- }
-
- virMutexLock(&eventLoop.lock);
- if (eventLoop.timeoutsCount == eventLoop.timeoutsAlloc) {
- EVENT_DEBUG("Used %zu timeout slots, adding at least %d more",
- eventLoop.timeoutsAlloc, EVENT_ALLOC_EXTENT);
- if (VIR_RESIZE_N(eventLoop.timeouts, eventLoop.timeoutsAlloc,
- eventLoop.timeoutsCount, EVENT_ALLOC_EXTENT) < 0) {
- virMutexUnlock(&eventLoop.lock);
- return -1;
- }
- }
-
- eventLoop.timeouts[eventLoop.timeoutsCount].timer = nextTimer++;
- eventLoop.timeouts[eventLoop.timeoutsCount].frequency = frequency;
- eventLoop.timeouts[eventLoop.timeoutsCount].cb = cb;
- eventLoop.timeouts[eventLoop.timeoutsCount].ff = ff;
- eventLoop.timeouts[eventLoop.timeoutsCount].opaque = opaque;
- eventLoop.timeouts[eventLoop.timeoutsCount].deleted = 0;
- eventLoop.timeouts[eventLoop.timeoutsCount].expiresAt =
- frequency >= 0 ? frequency +
- (((unsigned long long)now.tv_sec)*1000) +
- (((unsigned long long)now.tv_usec)/1000) : 0;
-
- eventLoop.timeoutsCount++;
- ret = nextTimer-1;
- virEventPollInterruptLocked();
- virMutexUnlock(&eventLoop.lock);
- return ret;
-}
-
-void virEventPollUpdateTimeout(int timer, int frequency) {
- struct timeval tv;
- int i;
- EVENT_DEBUG("Updating timer %d timeout with %d ms freq", timer, frequency);
-
- if (timer <= 0) {
- VIR_WARN("Ignoring invalid update timer %d", timer);
- return;
- }
-
- if (gettimeofday(&tv, NULL) < 0) {
- return;
- }
-
- virMutexLock(&eventLoop.lock);
- for (i = 0 ; i < eventLoop.timeoutsCount ; i++) {
- if (eventLoop.timeouts[i].timer == timer) {
- eventLoop.timeouts[i].frequency = frequency;
- eventLoop.timeouts[i].expiresAt =
- frequency >= 0 ? frequency +
- (((unsigned long long)tv.tv_sec)*1000) +
- (((unsigned long long)tv.tv_usec)/1000) : 0;
- virEventPollInterruptLocked();
- break;
- }
- }
- virMutexUnlock(&eventLoop.lock);
-}
-
-/*
- * Unregister a callback for a timer
- * NB, it *must* be safe to call this from within a callback
- * For this reason we only ever set a flag in the existing list.
- * Actual deletion will be done out-of-band
- */
-int virEventPollRemoveTimeout(int timer) {
- int i;
- EVENT_DEBUG("Remove timer %d", timer);
-
- if (timer <= 0) {
- VIR_WARN("Ignoring invalid remove timer %d", timer);
- return -1;
- }
-
- virMutexLock(&eventLoop.lock);
- for (i = 0 ; i < eventLoop.timeoutsCount ; i++) {
- if (eventLoop.timeouts[i].deleted)
- continue;
-
- if (eventLoop.timeouts[i].timer == timer) {
- eventLoop.timeouts[i].deleted = 1;
- virEventPollInterruptLocked();
- virMutexUnlock(&eventLoop.lock);
- return 0;
- }
- }
- virMutexUnlock(&eventLoop.lock);
- return -1;
-}
-
-/* Iterates over all registered timeouts and determine which
- * will be the first to expire.
- * @timeout: filled with expiry time of soonest timer, or -1 if
- * no timeout is pending
- * returns: 0 on success, -1 on error
- */
-static int virEventPollCalculateTimeout(int *timeout) {
- unsigned long long then = 0;
- int i;
- EVENT_DEBUG("Calculate expiry of %zu timers", eventLoop.timeoutsCount);
- /* Figure out if we need a timeout */
- for (i = 0 ; i < eventLoop.timeoutsCount ; i++) {
- if (eventLoop.timeouts[i].frequency < 0)
- continue;
-
- EVENT_DEBUG("Got a timeout scheduled for %llu", eventLoop.timeouts[i].expiresAt);
- if (then == 0 ||
- eventLoop.timeouts[i].expiresAt < then)
- then = eventLoop.timeouts[i].expiresAt;
- }
-
- /* Calculate how long we should wait for a timeout if needed */
- if (then > 0) {
- struct timeval tv;
-
- if (gettimeofday(&tv, NULL) < 0) {
- perror("Unable to get current time");
- return -1;
- }
-
- *timeout = then -
- ((((unsigned long long)tv.tv_sec)*1000) +
- (((unsigned long long)tv.tv_usec)/1000));
-
- if (*timeout < 0)
- *timeout = 0;
- } else {
- *timeout = -1;
- }
-
- EVENT_DEBUG("Timeout at %llu due in %d ms", then, *timeout);
-
- return 0;
-}
-
-/*
- * Allocate a pollfd array containing data for all registered
- * file handles. The caller must free the returned data struct
- * returns: the pollfd array, or NULL on error
- */
-static struct pollfd *virEventPollMakePollFDs(int *nfds) {
- struct pollfd *fds;
- int i;
-
- *nfds = 0;
- for (i = 0 ; i < eventLoop.handlesCount ; i++) {
- if (eventLoop.handles[i].events && !eventLoop.handles[i].deleted)
- (*nfds)++;
- }
-
- /* Setup the poll file handle data structs */
- if (VIR_ALLOC_N(fds, *nfds) < 0) {
- perror("unable to allocate memory");
- return NULL;
- }
-
- *nfds = 0;
- for (i = 0 ; i < eventLoop.handlesCount ; i++) {
- EVENT_DEBUG("Prepare n=%d w=%d, f=%d e=%d d=%d", i,
- eventLoop.handles[i].watch,
- eventLoop.handles[i].fd,
- eventLoop.handles[i].events,
- eventLoop.handles[i].deleted);
- if (!eventLoop.handles[i].events || eventLoop.handles[i].deleted)
- continue;
- fds[*nfds].fd = eventLoop.handles[i].fd;
- fds[*nfds].events = eventLoop.handles[i].events;
- fds[*nfds].revents = 0;
- (*nfds)++;
- //EVENT_DEBUG("Wait for %d %d", eventLoop.handles[i].fd, eventLoop.handles[i].events);
- }
-
- return fds;
-}
-
-
-/*
- * Iterate over all timers and determine if any have expired.
- * Invoke the user supplied callback for each timer whose
- * expiry time is met, and schedule the next timeout. Does
- * not try to 'catch up' on time if the actual expiry time
- * was later than the requested time.
- *
- * This method must cope with new timers being registered
- * by a callback, and must skip any timers marked as deleted.
- *
- * Returns 0 upon success, -1 if an error occurred
- */
-static int virEventPollDispatchTimeouts(void) {
- struct timeval tv;
- unsigned long long now;
- int i;
- /* Save this now - it may be changed during dispatch */
- int ntimeouts = eventLoop.timeoutsCount;
- VIR_DEBUG("Dispatch %d", ntimeouts);
-
- if (gettimeofday(&tv, NULL) < 0) {
- perror("Unable to get current time");
- return -1;
- }
- now = (((unsigned long long)tv.tv_sec)*1000) +
- (((unsigned long long)tv.tv_usec)/1000);
-
- for (i = 0 ; i < ntimeouts ; i++) {
- if (eventLoop.timeouts[i].deleted || eventLoop.timeouts[i].frequency < 0)
- continue;
-
- /* Add 20ms fuzz so we don't pointlessly spin doing
- * <10ms sleeps, particularly on kernels with low HZ
- * it is fine that a timer expires 20ms earlier than
- * requested
- */
- if (eventLoop.timeouts[i].expiresAt <= (now+20)) {
- virEventTimeoutCallback cb = eventLoop.timeouts[i].cb;
- int timer = eventLoop.timeouts[i].timer;
- void *opaque = eventLoop.timeouts[i].opaque;
- eventLoop.timeouts[i].expiresAt =
- now + eventLoop.timeouts[i].frequency;
-
- virMutexUnlock(&eventLoop.lock);
- (cb)(timer, opaque);
- virMutexLock(&eventLoop.lock);
- }
- }
- return 0;
-}
-
-
-/* Iterate over all file handles and dispatch any which
- * have pending events listed in the poll() data. Invoke
- * the user supplied callback for each handle which has
- * pending events
- *
- * This method must cope with new handles being registered
- * by a callback, and must skip any handles marked as deleted.
- *
- * Returns 0 upon success, -1 if an error occurred
- */
-static int virEventPollDispatchHandles(int nfds, struct pollfd *fds) {
- int i, n;
- VIR_DEBUG("Dispatch %d", nfds);
-
- /* NB, use nfds not eventLoop.handlesCount, because new
- * fds might be added on end of list, and they're not
- * in the fds array we've got */
- for (i = 0, n = 0 ; n < nfds && i < eventLoop.handlesCount ; n++) {
- while ((eventLoop.handles[i].fd != fds[n].fd ||
- eventLoop.handles[i].events == 0) &&
- i < eventLoop.handlesCount) {
- i++;
- }
- if (i == eventLoop.handlesCount)
- break;
-
- VIR_DEBUG("i=%d w=%d", i, eventLoop.handles[i].watch);
- if (eventLoop.handles[i].deleted) {
- EVENT_DEBUG("Skip deleted n=%d w=%d f=%d", i,
- eventLoop.handles[i].watch, eventLoop.handles[i].fd);
- continue;
- }
-
- if (fds[n].revents) {
- virEventHandleCallback cb = eventLoop.handles[i].cb;
- int watch = eventLoop.handles[i].watch;
- void *opaque = eventLoop.handles[i].opaque;
- int hEvents = virEventPollFromNativeEvents(fds[n].revents);
- EVENT_DEBUG("Dispatch n=%d f=%d w=%d e=%d %p", i,
- fds[n].fd, watch, fds[n].revents, opaque);
- virMutexUnlock(&eventLoop.lock);
- (cb)(watch, fds[n].fd, hEvents, opaque);
- virMutexLock(&eventLoop.lock);
- }
- }
-
- return 0;
-}
-
-
-/* Used post dispatch to actually remove any timers that
- * were previously marked as deleted. This asynchronous
- * cleanup is needed to make dispatch re-entrant safe.
- */
-static void virEventPollCleanupTimeouts(void) {
- int i;
- size_t gap;
- VIR_DEBUG("Cleanup %zu", eventLoop.timeoutsCount);
-
- /* Remove deleted entries, shuffling down remaining
- * entries as needed to form contiguous series
- */
- for (i = 0 ; i < eventLoop.timeoutsCount ; ) {
- if (!eventLoop.timeouts[i].deleted) {
- i++;
- continue;
- }
-
- EVENT_DEBUG("Purging timeout %d with id %d", i,
- eventLoop.timeouts[i].timer);
- if (eventLoop.timeouts[i].ff) {
- virFreeCallback ff = eventLoop.timeouts[i].ff;
- void *opaque = eventLoop.timeouts[i].opaque;
- virMutexUnlock(&eventLoop.lock);
- ff(opaque);
- virMutexLock(&eventLoop.lock);
- }
-
- if ((i+1) < eventLoop.timeoutsCount) {
- memmove(eventLoop.timeouts+i,
- eventLoop.timeouts+i+1,
- sizeof(struct virEventPollTimeout)*(eventLoop.timeoutsCount
- -(i+1)));
- }
- eventLoop.timeoutsCount--;
- }
-
- /* Release some memory if we've got a big chunk free */
- gap = eventLoop.timeoutsAlloc - eventLoop.timeoutsCount;
- if (eventLoop.timeoutsCount == 0 ||
- (gap > eventLoop.timeoutsCount && gap > EVENT_ALLOC_EXTENT)) {
- EVENT_DEBUG("Found %zu out of %zu timeout slots used, releasing %zu",
- eventLoop.timeoutsCount, eventLoop.timeoutsAlloc, gap);
- VIR_SHRINK_N(eventLoop.timeouts, eventLoop.timeoutsAlloc, gap);
- }
-}
-
-/* Used post dispatch to actually remove any handles that
- * were previously marked as deleted. This asynchronous
- * cleanup is needed to make dispatch re-entrant safe.
- */
-static void virEventPollCleanupHandles(void) {
- int i;
- size_t gap;
- VIR_DEBUG("Cleanup %zu", eventLoop.handlesCount);
-
- /* Remove deleted entries, shuffling down remaining
- * entries as needed to form contiguous series
- */
- for (i = 0 ; i < eventLoop.handlesCount ; ) {
- if (!eventLoop.handles[i].deleted) {
- i++;
- continue;
- }
-
- if (eventLoop.handles[i].ff) {
- virFreeCallback ff = eventLoop.handles[i].ff;
- void *opaque = eventLoop.handles[i].opaque;
- virMutexUnlock(&eventLoop.lock);
- ff(opaque);
- virMutexLock(&eventLoop.lock);
- }
-
- if ((i+1) < eventLoop.handlesCount) {
- memmove(eventLoop.handles+i,
- eventLoop.handles+i+1,
- sizeof(struct virEventPollHandle)*(eventLoop.handlesCount
- -(i+1)));
- }
- eventLoop.handlesCount--;
- }
-
- /* Release some memory if we've got a big chunk free */
- gap = eventLoop.handlesAlloc - eventLoop.handlesCount;
- if (eventLoop.handlesCount == 0 ||
- (gap > eventLoop.handlesCount && gap > EVENT_ALLOC_EXTENT)) {
- EVENT_DEBUG("Found %zu out of %zu handles slots used, releasing %zu",
- eventLoop.handlesCount, eventLoop.handlesAlloc, gap);
- VIR_SHRINK_N(eventLoop.handles, eventLoop.handlesAlloc, gap);
- }
-}
-
-/*
- * Run a single iteration of the event loop, blocking until
- * at least one file handle has an event, or a timer expires
- */
-int virEventPollRunOnce(void) {
- struct pollfd *fds = NULL;
- int ret, timeout, nfds;
-
- virMutexLock(&eventLoop.lock);
- eventLoop.running = 1;
- virThreadSelf(&eventLoop.leader);
-
- virEventPollCleanupTimeouts();
- virEventPollCleanupHandles();
-
- if (!(fds = virEventPollMakePollFDs(&nfds)) ||
- virEventPollCalculateTimeout(&timeout) < 0)
- goto error;
-
- virMutexUnlock(&eventLoop.lock);
-
- retry:
- EVENT_DEBUG("Poll on %d handles %p timeout %d", nfds, fds, timeout);
- ret = poll(fds, nfds, timeout);
- if (ret < 0) {
- EVENT_DEBUG("Poll got error event %d", errno);
- if (errno == EINTR) {
- goto retry;
- }
- perror("Unable to poll on file handles");
- goto error_unlocked;
- }
- EVENT_DEBUG("Poll got %d event(s)", ret);
-
- virMutexLock(&eventLoop.lock);
- if (virEventPollDispatchTimeouts() < 0)
- goto error;
-
- if (ret > 0 &&
- virEventPollDispatchHandles(nfds, fds) < 0)
- goto error;
-
- virEventPollCleanupTimeouts();
- virEventPollCleanupHandles();
-
- eventLoop.running = 0;
- virMutexUnlock(&eventLoop.lock);
- VIR_FREE(fds);
- return 0;
-
-error:
- virMutexUnlock(&eventLoop.lock);
-error_unlocked:
- VIR_FREE(fds);
- return -1;
-}
-
-
-static void virEventPollHandleWakeup(int watch ATTRIBUTE_UNUSED,
- int fd,
- int events ATTRIBUTE_UNUSED,
- void *opaque ATTRIBUTE_UNUSED)
-{
- char c;
- virMutexLock(&eventLoop.lock);
- ignore_value(saferead(fd, &c, sizeof(c)));
- virMutexUnlock(&eventLoop.lock);
-}
-
-int virEventPollInit(void)
-{
- if (virMutexInit(&eventLoop.lock) < 0) {
- perror("Unable to initialize mutex");
- return -1;
- }
-
- if (pipe(eventLoop.wakeupfd) < 0 ||
- virSetNonBlock(eventLoop.wakeupfd[0]) < 0 ||
- virSetNonBlock(eventLoop.wakeupfd[1]) < 0 ||
- virSetCloseExec(eventLoop.wakeupfd[0]) < 0 ||
- virSetCloseExec(eventLoop.wakeupfd[1]) < 0) {
- perror("Unable to setup wakeup pipe");
- return -1;
- }
-
- if (virEventPollAddHandle(eventLoop.wakeupfd[0],
- VIR_EVENT_HANDLE_READABLE,
- virEventPollHandleWakeup, NULL, NULL) < 0) {
- fprintf(stderr, "Unable to add handle %d to event loop",
- eventLoop.wakeupfd[0]);
- return -1;
- }
-
- return 0;
-}
-
-static int virEventPollInterruptLocked(void)
-{
- char c = '\0';
-
- if (!eventLoop.running ||
- virThreadIsSelf(&eventLoop.leader)) {
- VIR_DEBUG("Skip interrupt, %d %d", eventLoop.running,
- virThreadID(&eventLoop.leader));
- return 0;
- }
-
- VIR_DEBUG0("Interrupting");
- if (safewrite(eventLoop.wakeupfd[1], &c, sizeof(c)) != sizeof(c))
- return -1;
- return 0;
-}
-
-int virEventPollInterrupt(void)
-{
- int ret;
- virMutexLock(&eventLoop.lock);
- ret = virEventPollInterruptLocked();
- virMutexUnlock(&eventLoop.lock);
- return ret;
-}
-
-int
-virEventPollToNativeEvents(int events)
-{
- int ret = 0;
- if(events & VIR_EVENT_HANDLE_READABLE)
- ret |= POLLIN;
- if(events & VIR_EVENT_HANDLE_WRITABLE)
- ret |= POLLOUT;
- if(events & VIR_EVENT_HANDLE_ERROR)
- ret |= POLLERR;
- if(events & VIR_EVENT_HANDLE_HANGUP)
- ret |= POLLHUP;
- return ret;
-}
-
-int
-virEventPollFromNativeEvents(int events)
-{
- int ret = 0;
- if(events & POLLIN)
- ret |= VIR_EVENT_HANDLE_READABLE;
- if(events & POLLOUT)
- ret |= VIR_EVENT_HANDLE_WRITABLE;
- if(events & POLLERR)
- ret |= VIR_EVENT_HANDLE_ERROR;
- if(events & POLLNVAL) /* Treat NVAL as error, since libvirt doesn't distinguish */
- ret |= VIR_EVENT_HANDLE_ERROR;
- if(events & POLLHUP)
- ret |= VIR_EVENT_HANDLE_HANGUP;
- return ret;
-}
diff --git a/src/event_poll.h b/src/event_poll.h
deleted file mode 100644
index 4ab3789..0000000
--- a/src/event_poll.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * event.h: event loop for monitoring file handles
- *
- * Copyright (C) 2007 Daniel P. Berrange
- * Copyright (C) 2007 Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Author: Daniel P. Berrange <berrange at redhat.com>
- */
-
-#ifndef __VIR_EVENT_POLL_H__
-# define __VIR_EVENT_POLL_H__
-
-# include "internal.h"
-
-/**
- * virEventPollAddHandle: register a callback for monitoring file handle events
- *
- * @fd: file handle to monitor for events
- * @events: bitset of events to watch from POLLnnn constants
- * @cb: callback to invoke when an event occurs
- * @opaque: user data to pass to callback
- *
- * returns -1 if the file handle cannot be registered, 0 upon success
- */
-int virEventPollAddHandle(int fd, int events,
- virEventHandleCallback cb,
- void *opaque,
- virFreeCallback ff);
-
-/**
- * virEventPollUpdateHandle: change event set for a monitored file handle
- *
- * @watch: watch whose handle to update
- * @events: bitset of events to watch from POLLnnn constants
- *
- * Will not fail if fd exists
- */
-void virEventPollUpdateHandle(int watch, int events);
-
-/**
- * virEventPollRemoveHandle: unregister a callback from a file handle
- *
- * @watch: watch whose handle to remove
- *
- * returns -1 if the file handle was not registered, 0 upon success
- */
-int virEventPollRemoveHandle(int watch);
-
-/**
- * virEventPollAddTimeout: register a callback for a timer event
- *
- * @frequency: time between events in milliseconds
- * @cb: callback to invoke when an event occurs
- * @opaque: user data to pass to callback
- *
- * Setting frequency to -1 will disable the timer. Setting the frequency
- * to zero will cause it to fire on every event loop iteration.
- *
- * returns -1 if the file handle cannot be registered, a positive
- * integer timer id upon success
- */
-int virEventPollAddTimeout(int frequency,
- virEventTimeoutCallback cb,
- void *opaque,
- virFreeCallback ff);
-
-/**
- * virEventPollUpdateTimeout: change frequency for a timer
- *
- * @timer: timer id to change
- * @frequency: time between events in milliseconds
- *
- * Setting frequency to -1 will disable the timer. Setting the frequency
- * to zero will cause it to fire on every event loop iteration.
- *
- * Will not fail if timer exists
- */
-void virEventPollUpdateTimeout(int timer, int frequency);
-
-/**
- * virEventPollRemoveTimeout: unregister a callback for a timer
- *
- * @timer: the timer id to remove
- *
- * returns -1 if the timer was not registered, 0 upon success
- */
-int virEventPollRemoveTimeout(int timer);
-
-/**
- * virEventPollInit: Initialize the event loop
- *
- * returns -1 if initialization failed
- */
-int virEventPollInit(void);
-
-/**
- * virEventPollRunOnce: run a single iteration of the event loop.
- *
- * Blocks the caller until at least one file handle has an
- * event or the first timer expires.
- *
- * returns -1 if the event monitoring failed
- */
-int virEventPollRunOnce(void);
-
-int virEventPollFromNativeEvents(int events);
-int virEventPollToNativeEvents(int events);
-
-
-/**
- * virEventPollInterrupt: wakeup any thread waiting in poll()
- *
- * return -1 if wakup failed
- */
-int virEventPollInterrupt(void);
-
-
-#endif /* __VIRTD_EVENT_H__ */
diff --git a/src/ignore-value.h b/src/ignore-value.h
deleted file mode 100644
index 0df1c01..0000000
--- a/src/ignore-value.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* ignore a function return without a compiler warning
-
- Copyright (C) 2008-2011 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* Written by Jim Meyering, Eric Blake and Pádraig Brady. */
-
-/* Use "ignore_value" to avoid a warning when using a function declared with
- gcc's warn_unused_result attribute, but for which you really do want to
- ignore the result. Traditionally, people have used a "(void)" cast to
- indicate that a function's return value is deliberately unused. However,
- if the function is declared with __attribute__((warn_unused_result)),
- gcc issues a warning even with the cast.
-
- Caution: most of the time, you really should heed gcc's warning, and
- check the return value. However, in those exceptional cases in which
- you're sure you know what you're doing, use this function.
-
- For the record, here's one of the ignorable warnings:
- "copy.c:233: warning: ignoring return value of 'fchown',
- declared with attribute warn_unused_result". */
-
-#ifndef _GL_IGNORE_VALUE_H
-# define _GL_IGNORE_VALUE_H
-
-# ifndef _GL_ATTRIBUTE_DEPRECATED
-/* The __attribute__((__deprecated__)) feature
- is available in gcc versions 3.1 and newer. */
-# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 1)
-# define _GL_ATTRIBUTE_DEPRECATED /* empty */
-# else
-# define _GL_ATTRIBUTE_DEPRECATED __attribute__ ((__deprecated__))
-# endif
-# endif
-
-/* The __attribute__((__warn_unused_result__)) feature
- is available in gcc versions 3.4 and newer,
- while the typeof feature has been available since 2.7 at least. */
-# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4)
-# define ignore_value(x) ((void) (x))
-# else
-# define ignore_value(x) (({ __typeof__ (x) __x = (x); (void) __x; }))
-# endif
-
-/* ignore_value works for scalars, pointers and aggregates;
- deprecate ignore_ptr. */
-static inline void _GL_ATTRIBUTE_DEPRECATED
-ignore_ptr (void *p) { (void) p; } /* deprecated: use ignore_value */
-
-#endif
diff --git a/src/internal.h b/src/internal.h
deleted file mode 100644
index 4910059..0000000
--- a/src/internal.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * internal.h: internal definitions just used by code from the library
- *
- * Copy: Copyright (C) 2005-2006, 2010-2011 Red Hat, Inc.
- *
- * See libvirt's COPYING.LIB for the License of this software
- *
- */
-
-#ifndef __INTERNAL_H__
-# define __INTERNAL_H__
-
-# include <stdio.h>
-# include <stdlib.h>
-# include <stdbool.h>
-# include <stddef.h>
-# include <errno.h>
-# include <string.h>
-# include <libvirt/libvirt.h>
-# include <libvirt/virterror.h>
-
-/* C99 uses __func__. __FUNCTION__ is legacy. */
-# ifndef __GNUC__
-# define __FUNCTION__ __func__
-# endif
-
-# ifdef __GNUC__
-
-# ifndef __GNUC_PREREQ
-# if defined __GNUC__ && defined __GNUC_MINOR__
-# define __GNUC_PREREQ(maj, min) \
- ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
-# else
-# define __GNUC_PREREQ(maj,min) 0
-# endif
-
-/* Work around broken limits.h on debian etch */
-# if defined _GCC_LIMITS_H_ && ! defined ULLONG_MAX
-# define ULLONG_MAX ULONG_LONG_MAX
-# endif
-
-# endif /* __GNUC__ */
-
-/**
- * ATTRIBUTE_UNUSED:
- *
- * Macro to flag conciously unused parameters to functions
- */
-# ifndef ATTRIBUTE_UNUSED
-# define ATTRIBUTE_UNUSED __attribute__((__unused__))
-# endif
-
-/**
- * ATTRIBUTE_SENTINEL:
- *
- * Macro to check for NULL-terminated varargs lists
- */
-# ifndef ATTRIBUTE_SENTINEL
-# if __GNUC_PREREQ (4, 0)
-# define ATTRIBUTE_SENTINEL __attribute__((__sentinel__))
-# else
-# define ATTRIBUTE_SENTINEL
-# endif
-# endif
-
-/**
- * ATTRIBUTE_FMT_PRINTF
- *
- * Macro used to check printf like functions, if compiling
- * with gcc.
- *
- * We use gnulib which guarentees we always have GNU style
- * printf format specifiers even on broken Win32 platforms
- * hence we have to force 'gnu_printf' for new GCC
- */
-# ifndef ATTRIBUTE_FMT_PRINTF
-# if __GNUC_PREREQ (4, 4)
-# define ATTRIBUTE_FMT_PRINTF(fmtpos,argpos) __attribute__((__format__ (gnu_printf, fmtpos,argpos)))
-# else
-# define ATTRIBUTE_FMT_PRINTF(fmtpos,argpos) __attribute__((__format__ (printf, fmtpos,argpos)))
-# endif
-# endif
-
-# ifndef ATTRIBUTE_RETURN_CHECK
-# if __GNUC_PREREQ (3, 4)
-# define ATTRIBUTE_RETURN_CHECK __attribute__((__warn_unused_result__))
-# else
-# define ATTRIBUTE_RETURN_CHECK
-# endif
-# endif
-
-/**
- * ATTRIBUTE_PACKED
- *
- * force a structure to be packed, i.e. not following architecture and
- * compiler best alignments for its sub components. It's needed for example
- * for the network filetering code when defining the content of raw
- * ethernet packets.
- * Others compiler than gcc may use something different e.g. #pragma pack(1)
- */
-# ifndef ATTRIBUTE_PACKED
-# if __GNUC_PREREQ (3, 3)
-# define ATTRIBUTE_PACKED __attribute__((packed))
-# else
-# error "Need an __attribute__((packed)) equivalent"
-# endif
-# endif
-
-# ifndef ATTRIBUTE_NONNULL
-# if __GNUC_PREREQ (3, 3)
-# define ATTRIBUTE_NONNULL(m) __attribute__((__nonnull__(m)))
-# else
-# define ATTRIBUTE_NONNULL(m)
-# endif
-# endif
-
-# else
-# ifndef ATTRIBUTE_UNUSED
-# define ATTRIBUTE_UNUSED
-# endif
-# ifndef ATTRIBUTE_FMT_PRINTF
-# define ATTRIBUTE_FMT_PRINTF(...)
-# endif
-# ifndef ATTRIBUTE_RETURN_CHECK
-# define ATTRIBUTE_RETURN_CHECK
-# endif
-# endif /* __GNUC__ */
-
-extern int verbose;
-
-#define VIR_DEBUG0(fmt) if (verbose) fprintf(stderr, "%s:%d :: " fmt "\n", \
- __func__, __LINE__)
-#define VIR_DEBUG(fmt, ...) if (verbose) fprintf(stderr, "%s:%d: " fmt "\n", \
- __func__, __LINE__, __VA_ARGS__)
-#define VIR_WARN(fmt, ...) if (verbose) fprintf(stderr, "%s:%d: " fmt "\n", \
- __func__, __LINE__, __VA_ARGS__)
-
-#endif
diff --git a/src/libvirtSnmp.c b/src/libvirtSnmp.c
index 805cd6f..111c97b 100644
--- a/src/libvirtSnmp.c
+++ b/src/libvirtSnmp.c
@@ -24,17 +24,12 @@
#include <stdio.h>
#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/poll.h>
#include <pthread.h>
#include <signal.h>
#include "libvirtSnmp.h"
#include "libvirtGuestTable.h" /* include our MIB structures*/
#include "libvirtNotifications.h"
-#ifdef LIBVIRT_OLD
-# include "event_poll.h"
-#endif
#define DEBUG0(fmt) if (verbose) printf("%s:%d :: " fmt "\n", \
__func__, __LINE__)
@@ -302,11 +297,7 @@ void *
pollingThreadFunc(void *foo)
{
while (run) {
-#ifdef LIBVIRT_OLD
- if (virEventPollRunOnce() < 0) {
-#else
if (virEventRunDefaultImpl() < 0) {
-#endif
showError(conn);
pthread_exit(NULL);
}
@@ -368,21 +359,8 @@ int libvirtSnmpInit(void)
verbose = verbose_env != NULL;
/* if we don't already have registered callback */
- if (callbackRet == -1) {
-#ifdef LIBVIRT_OLD
- if (virEventPollInit() < 0)
- return -1;
-
- virEventRegisterImpl(virEventPollAddHandle,
- virEventPollUpdateHandle,
- virEventPollRemoveHandle,
- virEventPollAddTimeout,
- virEventPollUpdateTimeout,
- virEventPollRemoveTimeout);
-#else
+ if (callbackRet == -1)
virEventRegisterDefaultImpl();
-#endif
- }
/* TODO: configure the URI */
/* Use libvirt env variable LIBVIRT_DEFAULT_URI by default*/
diff --git a/src/memory.c b/src/memory.c
deleted file mode 100644
index bfa32a8..0000000
--- a/src/memory.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/*
- * memory.c: safer memory allocation
- *
- * Copyright (C) 2010-2011 Red Hat, Inc.
- * Copyright (C) 2008 Daniel P. Berrange
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <config.h>
-#include <stdlib.h>
-
-#include "memory.h"
-#include "ignore-value.h"
-
-
-#if TEST_OOM
-static int testMallocNext = 0;
-static int testMallocFailFirst = 0;
-static int testMallocFailLast = 0;
-static void (*testMallocHook)(int, void*) = NULL;
-static void *testMallocHookData = NULL;
-
-void virAllocTestInit(void)
-{
- testMallocNext = 1;
- testMallocFailFirst = 0;
- testMallocFailLast = 0;
-}
-
-int virAllocTestCount(void)
-{
- return testMallocNext - 1;
-}
-
-void virAllocTestHook(void (*func)(int, void*), void *data)
-{
- testMallocHook = func;
- testMallocHookData = data;
-}
-
-void virAllocTestOOM(int n, int m)
-{
- testMallocNext = 1;
- testMallocFailFirst = n;
- testMallocFailLast = n + m - 1;
-}
-
-static int virAllocTestFail(void)
-{
- int fail = 0;
- if (testMallocNext == 0)
- return 0;
-
- fail =
- testMallocNext >= testMallocFailFirst &&
- testMallocNext <= testMallocFailLast;
-
- if (fail && testMallocHook)
- (testMallocHook)(testMallocNext, testMallocHookData);
-
- testMallocNext++;
- return fail;
-}
-#endif
-
-
-/**
- * virAlloc:
- * @ptrptr: pointer to pointer for address of allocated memory
- * @size: number of bytes to allocate
- *
- * Allocate 'size' bytes of memory. Return the address of the
- * allocated memory in 'ptrptr'. The newly allocated memory is
- * filled with zeros.
- *
- * Returns -1 on failure to allocate, zero on success
- */
-int virAlloc(void *ptrptr, size_t size)
-{
-#if TEST_OOM
- if (virAllocTestFail()) {
- *(void **)ptrptr = NULL;
- return -1;
- }
-#endif
-
- *(void **)ptrptr = calloc(1, size);
- if (*(void **)ptrptr == NULL)
- return -1;
- return 0;
-}
-
-/**
- * virAllocN:
- * @ptrptr: pointer to pointer for address of allocated memory
- * @size: number of bytes to allocate
- * @count: number of elements to allocate
- *
- * Allocate an array of memory 'count' elements long,
- * each with 'size' bytes. Return the address of the
- * allocated memory in 'ptrptr'. The newly allocated
- * memory is filled with zeros.
- *
- * Returns -1 on failure to allocate, zero on success
- */
-int virAllocN(void *ptrptr, size_t size, size_t count)
-{
-#if TEST_OOM
- if (virAllocTestFail()) {
- *(void **)ptrptr = NULL;
- return -1;
- }
-#endif
-
- *(void**)ptrptr = calloc(count, size);
- if (*(void**)ptrptr == NULL)
- return -1;
- return 0;
-}
-
-/**
- * virReallocN:
- * @ptrptr: pointer to pointer for address of allocated memory
- * @size: number of bytes to allocate
- * @count: number of elements in array
- *
- * Resize the block of memory in 'ptrptr' to be an array of
- * 'count' elements, each 'size' bytes in length. Update 'ptrptr'
- * with the address of the newly allocated memory. On failure,
- * 'ptrptr' is not changed and still points to the original memory
- * block. Any newly allocated memory in 'ptrptr' is uninitialized.
- *
- * Returns -1 on failure to allocate, zero on success
- */
-int virReallocN(void *ptrptr, size_t size, size_t count)
-{
- void *tmp;
-#if TEST_OOM
- if (virAllocTestFail())
- return -1;
-#endif
-
- if (xalloc_oversized(count, size)) {
- errno = ENOMEM;
- return -1;
- }
- tmp = realloc(*(void**)ptrptr, size * count);
- if (!tmp && (size * count))
- return -1;
- *(void**)ptrptr = tmp;
- return 0;
-}
-
-/**
- * virExpandN:
- * @ptrptr: pointer to pointer for address of allocated memory
- * @size: number of bytes per element
- * @countptr: pointer to number of elements in array
- * @add: number of elements to add
- *
- * Resize the block of memory in 'ptrptr' to be an array of
- * '*countptr' + 'add' elements, each 'size' bytes in length.
- * Update 'ptrptr' and 'countptr' with the details of the newly
- * allocated memory. On failure, 'ptrptr' and 'countptr' are not
- * changed. Any newly allocated memory in 'ptrptr' is zero-filled.
- *
- * Returns -1 on failure to allocate, zero on success
- */
-int virExpandN(void *ptrptr, size_t size, size_t *countptr, size_t add)
-{
- int ret;
-
- if (*countptr + add < *countptr) {
- errno = ENOMEM;
- return -1;
- }
- ret = virReallocN(ptrptr, size, *countptr + add);
- if (ret == 0) {
- memset(*(char **)ptrptr + (size * *countptr), 0, size * add);
- *countptr += add;
- }
- return ret;
-}
-
-/**
- * virResizeN:
- * @ptrptr: pointer to pointer for address of allocated memory
- * @size: number of bytes per element
- * @allocptr: pointer to number of elements allocated in array
- * @count: number of elements currently used in array
- * @add: minimum number of additional elements to support in array
- *
- * If 'count' + 'add' is larger than '*allocptr', then resize the
- * block of memory in 'ptrptr' to be an array of at least 'count' +
- * 'add' elements, each 'size' bytes in length. Update 'ptrptr' and
- * 'allocptr' with the details of the newly allocated memory. On
- * failure, 'ptrptr' and 'allocptr' are not changed. Any newly
- * allocated memory in 'ptrptr' is zero-filled.
- *
- * Returns -1 on failure to allocate, zero on success
- */
-int virResizeN(void *ptrptr, size_t size, size_t *allocptr, size_t count,
- size_t add)
-{
- size_t delta;
-
- if (count + add < count) {
- errno = ENOMEM;
- return -1;
- }
- if (count + add <= *allocptr)
- return 0;
-
- delta = count + add - *allocptr;
- if (delta < *allocptr / 2)
- delta = *allocptr / 2;
- return virExpandN(ptrptr, size, allocptr, delta);
-}
-
-/**
- * virShrinkN:
- * @ptrptr: pointer to pointer for address of allocated memory
- * @size: number of bytes per element
- * @countptr: pointer to number of elements in array
- * @toremove: number of elements to remove
- *
- * Resize the block of memory in 'ptrptr' to be an array of
- * '*countptr' - 'toremove' elements, each 'size' bytes in length.
- * Update 'ptrptr' and 'countptr' with the details of the newly
- * allocated memory. If 'toremove' is larger than 'countptr', free
- * the entire array.
- */
-void virShrinkN(void *ptrptr, size_t size, size_t *countptr, size_t toremove)
-{
- if (toremove < *countptr)
- ignore_value(virReallocN(ptrptr, size, *countptr -= toremove));
- else {
- virFree(ptrptr);
- *countptr = 0;
- }
-}
-
-
-/**
- * Vir_Alloc_Var:
- * @ptrptr: pointer to hold address of allocated memory
- * @struct_size: size of initial struct
- * @element_size: size of array elements
- * @count: number of array elements to allocate
- *
- * Allocate struct_size bytes plus an array of 'count' elements, each
- * of size element_size. This sort of allocation is useful for
- * receiving the data of certain ioctls and other APIs which return a
- * struct in which the last element is an array of undefined length.
- * The caller of this type of API is expected to know the length of
- * the array that will be returned and allocate a suitable buffer to
- * contain the returned data. C99 refers to these variable length
- * objects as structs containing flexible array members.
- *
- * Returns -1 on failure, 0 on success
- */
-int virAllocVar(void *ptrptr, size_t struct_size, size_t element_size, size_t count)
-{
- size_t alloc_size = 0;
-
-#if TEST_OOM
- if (virAllocTestFail())
- return -1;
-#endif
-
- if (VIR_ALLOC_VAR_OVERSIZED(struct_size, count, element_size)) {
- errno = ENOMEM;
- return -1;
- }
-
- alloc_size = struct_size + (element_size * count);
- *(void **)ptrptr = calloc(1, alloc_size);
- if (*(void **)ptrptr == NULL)
- return -1;
- return 0;
-}
-
-
-/**
- * virFree:
- * @ptrptr: pointer to pointer for address of memory to be freed
- *
- * Release the chunk of memory in the pointer pointed to by
- * the 'ptrptr' variable. After release, 'ptrptr' will be
- * updated to point to NULL.
- */
-void virFree(void *ptrptr)
-{
- int save_errno = errno;
-
- free(*(void**)ptrptr);
- *(void**)ptrptr = NULL;
- errno = save_errno;
-}
diff --git a/src/memory.h b/src/memory.h
deleted file mode 100644
index 66b4c42..0000000
--- a/src/memory.h
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * memory.c: safer memory allocation
- *
- * Copyright (C) 2010 Red Hat, Inc.
- * Copyright (C) 2008 Daniel P. Berrange
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-
-#ifndef __VIR_MEMORY_H_
-# define __VIR_MEMORY_H_
-
-# include "internal.h"
-
-/* Return 1 if an array of N objects, each of size S, cannot exist due
- to size arithmetic overflow. S must be positive and N must be
- nonnegative. This is a macro, not an inline function, so that it
- works correctly even when SIZE_MAX < N.
-
- By gnulib convention, SIZE_MAX represents overflow in size
- calculations, so the conservative dividend to use here is
- SIZE_MAX - 1, since SIZE_MAX might represent an overflowed value.
- However, malloc (SIZE_MAX) fails on all known hosts where
- sizeof (ptrdiff_t) <= sizeof (size_t), so do not bother to test for
- exactly-SIZE_MAX allocations on such hosts; this avoids a test and
- branch when S is known to be 1. */
-# ifndef xalloc_oversized
-# define xalloc_oversized(n, s) \
- ((size_t) (sizeof (ptrdiff_t) <= sizeof (size_t) ? -1 : -2) / (s) < (n))
-# endif
-
-
-
-/* Don't call these directly - use the macros below */
-int virAlloc(void *ptrptr, size_t size) ATTRIBUTE_RETURN_CHECK
- ATTRIBUTE_NONNULL(1);
-int virAllocN(void *ptrptr, size_t size, size_t count) ATTRIBUTE_RETURN_CHECK
- ATTRIBUTE_NONNULL(1);
-int virReallocN(void *ptrptr, size_t size, size_t count) ATTRIBUTE_RETURN_CHECK
- ATTRIBUTE_NONNULL(1);
-int virExpandN(void *ptrptr, size_t size, size_t *count, size_t add)
- ATTRIBUTE_RETURN_CHECK ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3);
-int virResizeN(void *ptrptr, size_t size, size_t *alloc, size_t count,
- size_t desired)
- ATTRIBUTE_RETURN_CHECK ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3);
-void virShrinkN(void *ptrptr, size_t size, size_t *count, size_t toremove)
- ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(3);
-int virAllocVar(void *ptrptr,
- size_t struct_size,
- size_t element_size,
- size_t count) ATTRIBUTE_RETURN_CHECK ATTRIBUTE_NONNULL(1);
-void virFree(void *ptrptr) ATTRIBUTE_NONNULL(1);
-
-/**
- * VIR_ALLOC:
- * @ptr: pointer to hold address of allocated memory
- *
- * Allocate sizeof(*ptr) bytes of memory and store
- * the address of allocated memory in 'ptr'. Fill the
- * newly allocated memory with zeros.
- *
- * Returns -1 on failure, 0 on success
- */
-# define VIR_ALLOC(ptr) virAlloc(&(ptr), sizeof(*(ptr)))
-
-/**
- * VIR_ALLOC_N:
- * @ptr: pointer to hold address of allocated memory
- * @count: number of elements to allocate
- *
- * Allocate an array of 'count' elements, each sizeof(*ptr)
- * bytes long and store the address of allocated memory in
- * 'ptr'. Fill the newly allocated memory with zeros.
- *
- * Returns -1 on failure, 0 on success
- */
-# define VIR_ALLOC_N(ptr, count) virAllocN(&(ptr), sizeof(*(ptr)), (count))
-
-/**
- * VIR_REALLOC_N:
- * @ptr: pointer to hold address of allocated memory
- * @count: number of elements to allocate
- *
- * Re-allocate an array of 'count' elements, each sizeof(*ptr)
- * bytes long and store the address of allocated memory in
- * 'ptr'. If 'ptr' grew, the added memory is uninitialized.
- *
- * Returns -1 on failure, 0 on success
- */
-# define VIR_REALLOC_N(ptr, count) virReallocN(&(ptr), sizeof(*(ptr)), (count))
-
-/**
- * VIR_EXPAND_N:
- * @ptr: pointer to hold address of allocated memory
- * @count: variable tracking number of elements currently allocated
- * @add: number of elements to add
- *
- * Re-allocate an array of 'count' elements, each sizeof(*ptr)
- * bytes long, to be 'count' + 'add' elements long, then store the
- * address of allocated memory in 'ptr' and the new size in 'count'.
- * The new elements are filled with zero.
- *
- * Returns -1 on failure, 0 on success
- */
-# define VIR_EXPAND_N(ptr, count, add) \
- virExpandN(&(ptr), sizeof(*(ptr)), &(count), add)
-
-/**
- * VIR_RESIZE_N:
- * @ptr: pointer to hold address of allocated memory
- * @alloc: variable tracking number of elements currently allocated
- * @count: number of elements currently in use
- * @add: minimum number of elements to additionally support
- *
- * Blindly using VIR_EXPAND_N(array, alloc, 1) in a loop scales
- * quadratically, because every iteration must copy contents from
- * all prior iterations. But amortized linear scaling can be achieved
- * by tracking allocation size separately from the number of used
- * elements, and growing geometrically only as needed.
- *
- * If 'count' + 'add' is larger than 'alloc', then geometrically reallocate
- * the array of 'alloc' elements, each sizeof(*ptr) bytes long, and store
- * the address of allocated memory in 'ptr' and the new size in 'alloc'.
- * The new elements are filled with zero.
- *
- * Returns -1 on failure, 0 on success
- */
-# define VIR_RESIZE_N(ptr, alloc, count, add) \
- virResizeN(&(ptr), sizeof(*(ptr)), &(alloc), count, add)
-
-/**
- * VIR_SHRINK_N:
- * @ptr: pointer to hold address of allocated memory
- * @count: variable tracking number of elements currently allocated
- * @remove: number of elements to remove
- *
- * Re-allocate an array of 'count' elements, each sizeof(*ptr)
- * bytes long, to be 'count' - 'remove' elements long, then store the
- * address of allocated memory in 'ptr' and the new size in 'count'.
- * If 'count' <= 'remove', the entire array is freed.
- *
- * No return value.
- */
-# define VIR_SHRINK_N(ptr, count, remove) \
- virShrinkN(&(ptr), sizeof(*(ptr)), &(count), remove)
-
-/*
- * VIR_ALLOC_VAR_OVERSIZED:
- * @M: size of base structure
- * @N: number of array elements in trailing array
- * @S: size of trailing array elements
- *
- * Check to make sure that the requested allocation will not cause
- * arithmetic overflow in the allocation size. The check is
- * essentially the same as that in gnulib's xalloc_oversized.
- */
-# define VIR_ALLOC_VAR_OVERSIZED(M, N, S) ((((size_t)-1) - (M)) / (S) < (N))
-
-/**
- * VIR_ALLOC_VAR:
- * @ptr: pointer to hold address of allocated memory
- * @type: element type of trailing array
- * @count: number of array elements to allocate
- *
- * Allocate sizeof(*ptr) bytes plus an array of 'count' elements, each
- * sizeof('type'). This sort of allocation is useful for receiving
- * the data of certain ioctls and other APIs which return a struct in
- * which the last element is an array of undefined length. The caller
- * of this type of API is expected to know the length of the array
- * that will be returned and allocate a suitable buffer to contain the
- * returned data. C99 refers to these variable length objects as
- * structs containing flexible array members.
-
- * Returns -1 on failure, 0 on success
- */
-# define VIR_ALLOC_VAR(ptr, type, count) \
- virAllocVar(&(ptr), sizeof(*(ptr)), sizeof(type), (count))
-
-/**
- * VIR_FREE:
- * @ptr: pointer holding address to be freed
- *
- * Free the memory stored in 'ptr' and update to point
- * to NULL.
- */
-# define VIR_FREE(ptr) virFree(&(ptr))
-
-
-# if TEST_OOM
-void virAllocTestInit(void);
-int virAllocTestCount(void);
-void virAllocTestOOM(int n, int m);
-void virAllocTestHook(void (*func)(int, void*), void *data);
-# endif
-
-
-
-#endif /* __VIR_MEMORY_H_ */
diff --git a/src/threads.c b/src/threads.c
deleted file mode 100644
index 8987173..0000000
--- a/src/threads.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * threads.c: basic thread synchronization primitives
- *
- * Copyright (C) 2009-2010 Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <config.h>
-
-#include <unistd.h>
-#include <inttypes.h>
-#if HAVE_SYS_SYSCALL_H
-# include <sys/syscall.h>
-#endif
-
-#include "threads.h"
-#include "memory.h"
-
-
-/* Nothing special required for pthreads */
-int virThreadInitialize(void)
-{
- return 0;
-}
-
-void virThreadOnExit(void)
-{
-}
-
-
-int virMutexInit(virMutexPtr m)
-{
- int ret;
- pthread_mutexattr_t attr;
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_NORMAL);
- ret = pthread_mutex_init(&m->lock, &attr);
- pthread_mutexattr_destroy(&attr);
- if (ret != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-int virMutexInitRecursive(virMutexPtr m)
-{
- int ret;
- pthread_mutexattr_t attr;
- pthread_mutexattr_init(&attr);
- pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
- ret = pthread_mutex_init(&m->lock, &attr);
- pthread_mutexattr_destroy(&attr);
- if (ret != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-void virMutexDestroy(virMutexPtr m)
-{
- pthread_mutex_destroy(&m->lock);
-}
-
-void virMutexLock(virMutexPtr m){
- pthread_mutex_lock(&m->lock);
-}
-
-void virMutexUnlock(virMutexPtr m)
-{
- pthread_mutex_unlock(&m->lock);
-}
-
-
-int virCondInit(virCondPtr c)
-{
- int ret;
- if ((ret = pthread_cond_init(&c->cond, NULL)) != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-int virCondDestroy(virCondPtr c)
-{
- int ret;
- if ((ret = pthread_cond_destroy(&c->cond)) != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-int virCondWait(virCondPtr c, virMutexPtr m)
-{
- int ret;
- if ((ret = pthread_cond_wait(&c->cond, &m->lock)) != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-int virCondWaitUntil(virCondPtr c, virMutexPtr m, unsigned long long whenms)
-{
- int ret;
- struct timespec ts;
-
- ts.tv_sec = whenms / 1000;
- ts.tv_nsec = (whenms % 1000) * 1000;
-
- if ((ret = pthread_cond_timedwait(&c->cond, &m->lock, &ts)) != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-void virCondSignal(virCondPtr c)
-{
- pthread_cond_signal(&c->cond);
-}
-
-void virCondBroadcast(virCondPtr c)
-{
- pthread_cond_broadcast(&c->cond);
-}
-
-struct virThreadArgs {
- virThreadFunc func;
- void *opaque;
-};
-
-static void *virThreadHelper(void *data)
-{
- struct virThreadArgs *args = data;
- args->func(args->opaque);
- VIR_FREE(args);
- return NULL;
-}
-
-int virThreadCreate(virThreadPtr thread,
- bool joinable,
- virThreadFunc func,
- void *opaque)
-{
- struct virThreadArgs *args;
- pthread_attr_t attr;
- int ret = -1;
- int err;
-
- if ((err = pthread_attr_init(&attr)) != 0)
- goto cleanup;
- if (VIR_ALLOC(args) < 0) {
- err = ENOMEM;
- goto cleanup;
- }
-
- args->func = func;
- args->opaque = opaque;
-
- if (!joinable)
- pthread_attr_setdetachstate(&attr, 1);
-
- err = pthread_create(&thread->thread, &attr, virThreadHelper, args);
- if (err != 0) {
- VIR_FREE(args);
- goto cleanup;
- }
- /* New thread owns 'args' in success case, so don't free */
-
- ret = 0;
-cleanup:
- pthread_attr_destroy(&attr);
- if (ret < 0)
- errno = err;
- return ret;
-}
-
-void virThreadSelf(virThreadPtr thread)
-{
- thread->thread = pthread_self();
-}
-
-bool virThreadIsSelf(virThreadPtr thread)
-{
- return pthread_equal(pthread_self(), thread->thread) ? true : false;
-}
-
-/* For debugging use only; this result is not guaranteed unique on BSD
- * systems when pthread_t is a 64-bit pointer. */
-int virThreadSelfID(void)
-{
-#if defined(HAVE_SYS_SYSCALL_H) && defined(SYS_gettid)
- pid_t tid;
- tid = syscall(SYS_gettid);
- return (int)tid;
-#else
- return (int)pthread_self();
-#endif
-}
-
-/* For debugging use only; this result is not guaranteed unique on BSD
- * systems when pthread_t is a 64-bit pointer, nor does it match the
- * thread id of virThreadSelfID on Linux. */
-int virThreadID(virThreadPtr thread)
-{
- return (int)(uintptr_t)thread->thread;
-}
-
-void virThreadJoin(virThreadPtr thread)
-{
- pthread_join(thread->thread, NULL);
-}
-
-int virThreadLocalInit(virThreadLocalPtr l,
- virThreadLocalCleanup c)
-{
- int ret;
- if ((ret = pthread_key_create(&l->key, c)) != 0) {
- errno = ret;
- return -1;
- }
- return 0;
-}
-
-void *virThreadLocalGet(virThreadLocalPtr l)
-{
- return pthread_getspecific(l->key);
-}
-
-void virThreadLocalSet(virThreadLocalPtr l, void *val)
-{
- pthread_setspecific(l->key, val);
-}
diff --git a/src/threads.h b/src/threads.h
deleted file mode 100644
index ae81273..0000000
--- a/src/threads.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * threads.h: basic thread synchronization primitives
- *
- * Copyright (C) 2009-2010 Red Hat, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#ifndef __THREADS_H_
-# define __THREADS_H_
-
-# include "internal.h"
-# include <pthread.h>
-
-typedef struct virMutex virMutex;
-typedef virMutex *virMutexPtr;
-
-typedef struct virCond virCond;
-typedef virCond *virCondPtr;
-
-typedef struct virThreadLocal virThreadLocal;
-typedef virThreadLocal *virThreadLocalPtr;
-
-typedef struct virThread virThread;
-typedef virThread *virThreadPtr;
-
-
-int virThreadInitialize(void) ATTRIBUTE_RETURN_CHECK;
-void virThreadOnExit(void);
-
-typedef void (*virThreadFunc)(void *opaque);
-
-int virThreadCreate(virThreadPtr thread,
- bool joinable,
- virThreadFunc func,
- void *opaque) ATTRIBUTE_RETURN_CHECK;
-void virThreadSelf(virThreadPtr thread);
-bool virThreadIsSelf(virThreadPtr thread);
-void virThreadJoin(virThreadPtr thread);
-
-/* These next two functions are for debugging only, since they are not
- * guaranteed to give unique values for distinct threads on all
- * architectures, nor are the two functions guaranteed to give the same
- * value for the same thread. */
-int virThreadSelfID(void);
-int virThreadID(virThreadPtr thread);
-
-int virMutexInit(virMutexPtr m) ATTRIBUTE_RETURN_CHECK;
-int virMutexInitRecursive(virMutexPtr m) ATTRIBUTE_RETURN_CHECK;
-void virMutexDestroy(virMutexPtr m);
-
-void virMutexLock(virMutexPtr m);
-void virMutexUnlock(virMutexPtr m);
-
-
-
-int virCondInit(virCondPtr c) ATTRIBUTE_RETURN_CHECK;
-int virCondDestroy(virCondPtr c) ATTRIBUTE_RETURN_CHECK;
-
-int virCondWait(virCondPtr c, virMutexPtr m) ATTRIBUTE_RETURN_CHECK;
-int virCondWaitUntil(virCondPtr c, virMutexPtr m, unsigned long long whenms) ATTRIBUTE_RETURN_CHECK;
-void virCondSignal(virCondPtr c);
-void virCondBroadcast(virCondPtr c);
-
-
-typedef void (*virThreadLocalCleanup)(void *);
-int virThreadLocalInit(virThreadLocalPtr l,
- virThreadLocalCleanup c) ATTRIBUTE_RETURN_CHECK;
-void *virThreadLocalGet(virThreadLocalPtr l);
-void virThreadLocalSet(virThreadLocalPtr l, void*);
-
-struct virMutex {
- pthread_mutex_t lock;
-};
-
-struct virCond {
- pthread_cond_t cond;
-};
-
-struct virThread {
- pthread_t thread;
-};
-
-struct virThreadLocal {
- pthread_key_t key;
-};
-
-#endif
diff --git a/src/util.c b/src/util.c
deleted file mode 100644
index 30d4e47..0000000
--- a/src/util.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * utils.c: common, generic utility functions
- *
- * Copyright (C) 2006-2011 Red Hat, Inc.
- * Copyright (C) 2006 Daniel P. Berrange
- * Copyright (C) 2006, 2007 Binary Karma
- * Copyright (C) 2006 Shuveb Hussain
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Author: Daniel P. Berrange <berrange at redhat.com>
- * File created Jul 18, 2007 - Shuveb Hussain <shuveb at binarykarma.com>
- */
-
-#include "util.h"
-#include <unistd.h>
-#include <fcntl.h>
-
-/* Like read(), but restarts after EINTR */
-ssize_t
-saferead(int fd, void *buf, size_t count)
-{
- size_t nread = 0;
- while (count > 0) {
- ssize_t r = read(fd, buf, count);
- if (r < 0 && errno == EINTR)
- continue;
- if (r < 0)
- return r;
- if (r == 0)
- return nread;
- buf = (char *)buf + r;
- count -= r;
- nread += r;
- }
- return nread;
-}
-
-/* Like write(), but restarts after EINTR */
-ssize_t
-safewrite(int fd, const void *buf, size_t count)
-{
- size_t nwritten = 0;
- while (count > 0) {
- ssize_t r = write(fd, buf, count);
-
- if (r < 0 && errno == EINTR)
- continue;
- if (r < 0)
- return r;
- if (r == 0)
- return nwritten;
- buf = (const char *)buf + r;
- count -= r;
- nwritten += r;
- }
- return nwritten;
-}
-
-int virSetBlocking(int fd, bool blocking) {
- int flags;
- if ((flags = fcntl(fd, F_GETFL)) < 0)
- return -1;
- if (blocking)
- flags &= ~O_NONBLOCK;
- else
- flags |= O_NONBLOCK;
- if ((fcntl(fd, F_SETFL, flags)) < 0)
- return -1;
- return 0;
-}
-
-int virSetNonBlock(int fd) {
- return virSetBlocking(fd, false);
-}
-
-int virSetCloseExec(int fd)
-{
- return virSetInherit(fd, false);
-}
-
-int virSetInherit(int fd, bool inherit) {
- int flags;
- if ((flags = fcntl(fd, F_GETFD)) < 0)
- return -1;
- if (inherit)
- flags &= ~FD_CLOEXEC;
- else
- flags |= FD_CLOEXEC;
- if ((fcntl(fd, F_SETFD, flags)) < 0)
- return -1;
- return 0;
-}
diff --git a/src/util.h b/src/util.h
deleted file mode 100644
index a3d289e..0000000
--- a/src/util.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * utils.h: common, generic utility functions
- *
- * Copyright (C) 2010-2011 Red Hat, Inc.
- * Copyright (C) 2006, 2007 Binary Karma
- * Copyright (C) 2006 Shuveb Hussain
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * File created Jul 18, 2007 - Shuveb Hussain <shuveb at binarykarma.com>
- */
-
-#ifndef __VIR_UTIL_H__
-#define __VIR_UTIL_H__
-
-#include "internal.h"
-
-int virSetBlocking(int fd, bool blocking) ATTRIBUTE_RETURN_CHECK;
-int virSetNonBlock(int fd) ATTRIBUTE_RETURN_CHECK;
-int virSetInherit(int fd, bool inherit) ATTRIBUTE_RETURN_CHECK;
-int virSetCloseExec(int fd) ATTRIBUTE_RETURN_CHECK;
-
-ssize_t saferead(int fd, void *buf, size_t count) ATTRIBUTE_RETURN_CHECK;
-ssize_t safewrite(int fd, const void *buf, size_t count) ATTRIBUTE_RETURN_CHECK;
-
-#endif
--
2.18.1
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