Name
pthread_self — obtain ID of the calling thread
Synopsis
#include <pthread.h>
pthread_t
pthread_self( |
void); |
![[Note]](../stylesheet/note.png) |
Note |
|---|---|
|
Compile and link with |
DESCRIPTION
The pthread_self() function
returns the ID of the calling thread. This is the same value
that is returned in *thread in
the pthread_create(3) call that
created this thread.
NOTES
POSIX.1 allows an implementation wide freedom in choosing
the type used to represent a thread ID; for example,
representation using either an arithmetic type or a structure
is permitted. Therefore, variables of type pthread_t can't portably be compared using the
C equality operator (==); use pthread_equal(3)
instead.
Thread identifiers should be considered opaque: any attempt to use a thread ID other than in pthreads calls is nonportable and can lead to unspecified results.
Thread IDs are guaranteed to be unique only within a process. A thread ID may be reused after a terminated thread has been joined, or a detached thread has terminated.
The thread ID returned by pthread_self() is not the same thing as the
kernel thread ID returned by a call to gettid(2).
COLOPHON
This page is part of release 3.52 of the Linux man-pages project. A
description of the project, and information about reporting
bugs, can be found at
http://www.kernel.org/doc/man−pages/.
|
Copyright (c) 2008 Linux Foundation, written by Michael Kerrisk <mtk.manpagesgmail.com> %%%LICENSE_START(VERBATIM) Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Since the Linux kernel and libraries are constantly changing, this manual page may be incorrect or out-of-date. The author(s) assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. The author(s) may not have taken the same level of care in the production of this manual, which is licensed free of charge, as they might when working professionally. Formatted or processed versions of this manual, if unaccompanied by the source, must acknowledge the copyright and authors of this work. %%%LICENSE_END |