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PTHREAD_MUTEX_TRYLOCK (3) | C library functions | Unix Manual Pages | :man▋
NAME
pthread_mutex_trylock - attempt to lock a mutex without blocking
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_trylock "pthread_mutex_t *mutex"
DESCRIPTION
The pthread_mutex_trylock function locks mutex. If the mutex is already locked, pthread_mutex_trylock will not block waiting for the mutex, but will return an error condition.
RETURN VALUES
If successful, pthread_mutex_trylock will return zero, otherwise an error number will be returned to indicate the error.
ERRORS
The pthread_mutex_trylock function will fail if: | [EINVAL] | | | The value specified by mutex is invalid. | | [EBUSY] | | | Mutex is already locked. | |
SEE ALSO
pthread_mutex_destroy(3), pthread_mutex_init(3), pthread_mutex_lock(3), pthread_mutex_unlock(3)
STANDARDS
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