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Diffstat (limited to 'man3/pthread_mutexattr_init.3')
| -rw-r--r-- | man3/pthread_mutexattr_init.3 | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/man3/pthread_mutexattr_init.3 b/man3/pthread_mutexattr_init.3 new file mode 100644 index 0000000..55d2530 --- /dev/null +++ b/man3/pthread_mutexattr_init.3 @@ -0,0 +1,53 @@ +.\" Copyright (c) 2017, Michael Kerrisk <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH pthread_mutexattr_init 3 2023-03-30 "Linux man-pages 6.05.01" +.SH NAME +pthread_mutexattr_init, pthread_mutexattr_destroy \- initialize and +destroy a mutex attributes object +.SH LIBRARY +POSIX threads library +.RI ( libpthread ", " \-lpthread ) +.SH SYNOPSIS +.nf +.B #include <pthread.h> +.PP +.BI "int pthread_mutexattr_init(pthread_mutexattr_t *" attr ");" +.BI "int pthread_mutexattr_destroy(pthread_mutexattr_t *" attr ");" +.fi +.SH DESCRIPTION +The +.BR pthread_mutexattr_init () +function initializes the mutex attributes object pointed to by +.I attr +with default values for all attributes defined by the implementation. +.PP +The results of initializing an already initialized mutex attributes +object are undefined. +.PP +The +.BR pthread_mutexattr_destroy () +function destroys a mutex attribute object (making it uninitialized). +Once a mutex attributes object has been destroyed, it can be reinitialized with +.BR pthread_mutexattr_init (). +.PP +The results of destroying an uninitialized mutex attributes +object are undefined. +.SH RETURN VALUE +On success, these functions return 0. +On error, they return a positive error number. +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +POSIX.1-2001. +.SH NOTES +Subsequent changes to a mutex attributes object do not affect mutex that +have already been initialized using that object. +.SH SEE ALSO +.ad l +.nh +.BR pthread_mutex_init (3), +.BR pthread_mutexattr_getpshared (3), +.BR pthread_mutexattr_getrobust (3), +.BR pthreads (7) |