[libvirt] [PATCH 4/5] util: Introduce virhostuptime
Pino Toscano
ptoscano at redhat.com
Wed Aug 21 15:24:47 UTC 2019
On Wednesday, 14 August 2019 16:33:22 CEST Michal Privoznik wrote:
> +int
> +virHostGetBootTime(unsigned long long *when ATTRIBUTE_UNUSED)
> +{
> +#if defined(__linux__) || defined(__FreeBSD__)
> + struct utmpx id = {.ut_type = BOOT_TIME};
> + struct utmpx *res = NULL;
> +
> + if (!(res = getutxid(&id))) {
> + int theerrno = errno;
> + endutxent();
> + return -theerrno;
> + }
> +
> + *when = res->ut_tv.tv_sec;
> + endutxent();
> + return 0;
> +#else
> + /* Unfortunately, mingw lacks utmp */
> + errno = ENOSYS;
> + return -errno;
> +#endif
In addition to what Jirka said, IMHO it would be better to do a
configure detection of the non-POSIX function, rather than assuming on
which platforms/OSes it is available.
--
Pino Toscano
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