11fbdc08dSPoul-Henning Kamp.\" Copyright (c) 1997 Brian Cully <shmit@kublai.com> 21fbdc08dSPoul-Henning Kamp.\" All rights reserved. 31fbdc08dSPoul-Henning Kamp.\" 41fbdc08dSPoul-Henning Kamp.\" Redistribution and use in source and binary forms, with or without 51fbdc08dSPoul-Henning Kamp.\" modification, are permitted provided that the following conditions 61fbdc08dSPoul-Henning Kamp.\" are met: 71fbdc08dSPoul-Henning Kamp.\" 1. Redistributions of source code must retain the above copyright 81fbdc08dSPoul-Henning Kamp.\" notice, this list of conditions and the following disclaimer. 91fbdc08dSPoul-Henning Kamp.\" 2. Redistributions in binary form must reproduce the above copyright 101fbdc08dSPoul-Henning Kamp.\" notice, this list of conditions and the following disclaimer in the 111fbdc08dSPoul-Henning Kamp.\" documentation and/or other materials provided with the distribution. 121fbdc08dSPoul-Henning Kamp.\" 3. Neither the name of the author nor the names of any co-contributors 131fbdc08dSPoul-Henning Kamp.\" may be used to endorse or promote products derived from this software 141fbdc08dSPoul-Henning Kamp.\" without specific prior written permission. 151fbdc08dSPoul-Henning Kamp.\" 161fbdc08dSPoul-Henning Kamp.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 171fbdc08dSPoul-Henning Kamp.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 181fbdc08dSPoul-Henning Kamp.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 191fbdc08dSPoul-Henning Kamp.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 201fbdc08dSPoul-Henning Kamp.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 211fbdc08dSPoul-Henning Kamp.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 221fbdc08dSPoul-Henning Kamp.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 231fbdc08dSPoul-Henning Kamp.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 241fbdc08dSPoul-Henning Kamp.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 251fbdc08dSPoul-Henning Kamp.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 261fbdc08dSPoul-Henning Kamp.\" SUCH DAMAGE. 271fbdc08dSPoul-Henning Kamp.\" 28*b6413b6dSPedro F. Giffuni.Dd August 17, 2018 291fbdc08dSPoul-Henning Kamp.Dt PTHREAD_MUTEX_INIT 3 30a307d598SRuslan Ermilov.Os 311fbdc08dSPoul-Henning Kamp.Sh NAME 321fbdc08dSPoul-Henning Kamp.Nm pthread_mutex_init 331fbdc08dSPoul-Henning Kamp.Nd create a mutex 34d8a78688SAlexey Zelkin.Sh LIBRARY 35ec7452f1SRuslan Ermilov.Lb libpthread 361fbdc08dSPoul-Henning Kamp.Sh SYNOPSIS 3732eef9aeSRuslan Ermilov.In pthread.h 381fbdc08dSPoul-Henning Kamp.Ft int 39*b6413b6dSPedro F. Giffuni.Fn pthread_mutex_init "pthread_mutex_t *restrict mutex" "const pthread_mutexattr_t *restrict attr" 401fbdc08dSPoul-Henning Kamp.Sh DESCRIPTION 411fbdc08dSPoul-Henning KampThe 421fbdc08dSPoul-Henning Kamp.Fn pthread_mutex_init 431fbdc08dSPoul-Henning Kampfunction creates a new mutex, with attributes specified with 441fbdc08dSPoul-Henning Kamp.Fa attr . 451fbdc08dSPoul-Henning KampIf 461fbdc08dSPoul-Henning Kamp.Fa attr 471fbdc08dSPoul-Henning Kampis NULL the default attributes are used. 481fbdc08dSPoul-Henning Kamp.Sh RETURN VALUES 491fbdc08dSPoul-Henning KampIf successful, 501fbdc08dSPoul-Henning Kamp.Fn pthread_mutex_init 511fbdc08dSPoul-Henning Kampwill return zero and put the new mutex id into 521fbdc08dSPoul-Henning Kamp.Fa mutex , 531fbdc08dSPoul-Henning Kampotherwise an error number will be returned to indicate the error. 541fbdc08dSPoul-Henning Kamp.Sh ERRORS 559d09157aSPhilippe CharnierThe 561fbdc08dSPoul-Henning Kamp.Fn pthread_mutex_init 579d09157aSPhilippe Charnierfunction will fail if: 581fbdc08dSPoul-Henning Kamp.Bl -tag -width Er 591fbdc08dSPoul-Henning Kamp.It Bq Er EINVAL 601fbdc08dSPoul-Henning KampThe value specified by 611fbdc08dSPoul-Henning Kamp.Fa attr 621fbdc08dSPoul-Henning Kampis invalid. 631fbdc08dSPoul-Henning Kamp.It Bq Er ENOMEM 641fbdc08dSPoul-Henning KampThe process cannot allocate enough memory to create another mutex. 651fbdc08dSPoul-Henning Kamp.El 661fbdc08dSPoul-Henning Kamp.Sh SEE ALSO 671fbdc08dSPoul-Henning Kamp.Xr pthread_mutex_destroy 3 , 681fbdc08dSPoul-Henning Kamp.Xr pthread_mutex_lock 3 , 69acd80190SWolfram Schneider.Xr pthread_mutex_trylock 3 , 70e52a1af2SBaptiste Daroussin.Xr pthread_mutex_unlock 3 , 71e52a1af2SBaptiste Daroussin.Xr pthread_mutexattr 3 721fbdc08dSPoul-Henning Kamp.Sh STANDARDS 739d09157aSPhilippe CharnierThe 741fbdc08dSPoul-Henning Kamp.Fn pthread_mutex_init 759d09157aSPhilippe Charnierfunction conforms to 76096841ecSRuslan Ermilov.St -p1003.1-96 . 77