PTHREAD_MUTEX_INIT(3) BSD Programmer's Manual PTHREAD_MUTEX_INIT(3)
pthread_mutex_init - create a mutex
#include <pthread.h> int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr);
The pthread_mutex_init() function creates a new mutex, with attributes specified with attr. If attr is NULL the default attributes are used.
If successful, pthread_mutex_init() will return zero and put the new mu- tex ID into mutex, otherwise an error number will be returned to indicate the error.
pthread_mutex_init() will fail if: [EINVAL] The value specified by attr is invalid. [ENOMEM] The process cannot allocate enough memory to create another mutex.
pthread_mutex_destroy(3), pthread_mutex_lock(3), pthread_mutex_trylock(3), pthread_mutex_unlock(3)
pthread_mutex_init() conforms to ISO/IEC 9945-1:1996 ("POSIX"). MirOS BSD #10-current July 29, 1998 1
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