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PTHREAD_MUTEX_LOCK (3) | C library functions | Unix Manual Pages | :man

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:
[EBUSY]
Currently mutex is locked by another thread.
[EINVAL]
The value specified by mutex is invalid.
[EDEADLK]
A deadlock would occur if the thread blocked waiting for mutex.

SEE ALSO

pthread_mutex_destroy(3), pthread_mutex_init(3), pthread_mutex_trylock(3), pthread_mutex_unlock(3)

STANDARDS


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