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-.\" Copyright, Xavier Leroy <Xavier.Leroy@inria.fr>
-.\" Copyright 2023, Alejandro Colomar <alx@kernel.org>
-.\"
-.\" SPDX-License-Identifier: Linux-man-pages-copyleft
-.\"
-.TH pthread_once 3 2023-10-31 "Linux man-pages 6.7"
-.
-.
-.SH NAME
-pthread_once
-\-
-once-only initialization
-.
-.
-.SH SYNOPSIS
-.B #include <pthread.h>
-.P
-.BI "pthread_once_t " once_control " = PTHREAD_ONCE_INIT;"
-.P
-.BI "int pthread_once(pthread_once_t *" once_control ", void (*" init_routine ") (void));"
-.
-.
-.SH DESCRIPTION
-The purpose of \fBpthread_once\fP is
-to ensure that a piece of initialization code is executed at most once.
-The \fIonce_control\fP argument points to a static or extern variable
-statically initialized to \fBPTHREAD_ONCE_INIT\fP.
-.P
-The first time \fBpthread_once\fP is called
-with a given \fIonce_control\fP argument,
-it calls \fIinit_routine\fP with no argument
-and changes the value of the \fIonce_control\fP variable
-to record that initialization has been performed.
-Subsequent calls to \fBpthread_once\fP
-with the same \fBonce_control\fP argument
-do nothing.
-.
-.
-.SH "RETURN VALUE"
-\fBpthread_once\fP always returns 0.
-.
-.
-.SH ERRORS
-None.