NAME pthread_mutex_lock - lock a mutex CONTENTS Library Synopsis Description Return Values Errors See Also Standards LIBRARY .Lb libc_r .Lb libpthread .Lb libthr SYNOPSIS .In 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 The pthread_mutex_lock function will fail if:
