06-24-2005
Unix internal
Hi ,
send me if know some links of Unix unternals such as thread programming , mutex , etc.
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LEARN ABOUT MOJAVE
pthread_cond_wait
PTHREAD_COND_WAIT(3) BSD Library Functions Manual PTHREAD_COND_WAIT(3)
NAME
pthread_cond_wait -- wait on a condition variable
SYNOPSIS
#include <pthread.h>
int
pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex);
DESCRIPTION
The pthread_cond_wait() function atomically blocks the current thread waiting on the condition variable specified by cond, and releases the
mutex specified by mutex. The waiting thread unblocks only after another thread calls pthread_cond_signal(3), or pthread_cond_broadcast(3)
with the same condition variable, and the current thread reacquires the lock on mutex.
RETURN VALUES
If successful, the pthread_cond_wait() function will return zero. Otherwise an error number will be returned to indicate the error.
ERRORS
The pthread_cond_wait() function will fail if:
[EINVAL] The value specified by cond or the value specified by mutex is invalid.
SEE ALSO
pthread_cond_broadcast(3), pthread_cond_destroy(3), pthread_cond_init(3), pthread_cond_signal(3), pthread_cond_timedwait(3)
STANDARDS
The pthread_cond_wait() function conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').
Darwin February 16, 2006 Darwin