pthread_mutex_lock man page on MacOSX
[printable version]
PTHREAD_MUTEX_LOCK(3) BSD Library Functions Manual PTHREAD_MUTEX_LOCK(3)
NAME
pthread_mutex_lock — lock a mutex
SYNOPSIS
#include <pthread.h>
int
pthread_mutex_lock(pthread_mutex_t *mutex);
DESCRIPTION
The pthread_mutex_lock() function locks mutex. If the mutex is already
locked, the calling thread will block until the mutex becomes available.
RETURN VALUES
If successful, pthread_mutex_lock() will return zero. Otherwise, an
error number will be returned to indicate the error.
ERRORS
pthread_mutex_lock() will fail if:
[EDEADLK] A deadlock would occur if the thread blocked waiting
for mutex.
[EINVAL] The value specified by mutex is invalid.
SEE ALSO
pthread_mutex_destroy(3), pthread_mutex_init(3),
pthread_mutex_trylock(3), pthread_mutex_unlock(3)
STANDARDS
pthread_mutex_lock() conforms to ISO/IEC 9945-1:1996 (“POSIX.1”).
BSD July 30, 1998 BSD
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