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where to call sys_futex() to wake up the parent?



In nptl tst-basic1.c, the parent process will call
pthread_join()->lll_wait_tid()->sys_futex(WAIT) to 
wait the child threads. However, in clone.S, the child thread will call
sys_exit() after running the 
start_routine(). I failed to find the sys_futex(WAKE) in sys_exit(). Where
is the child thread to notify 
the parent process? thanks a lot. 


  Boris
=========================
To know what I don't know
To learn what I don't know
To contribute what I know
=========================





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