x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
PTHREAD_SELF(3) Linux Programmer's Manual PTHREAD_SELF(3)
NAME
pthread_self - obtain ID of the calling thread
SYNOPSIS
#include <pthread.h>
pthread_t pthread_self(void);
Compile and link with -pthread.
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.
RETURN VALUE
This function always succeeds, returning the calling thread's ID.
ERRORS
This function always succeeds.
ATTRIBUTES
Multithreading (see pthreads(7))
The pthread_self() function is thread-safe.
CONFORMING TO
POSIX.1-2001.
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).
SEE ALSO
pthread_create(3), pthread_equal(3), pthreads(7)
COLOPHON
This page is part of release 3.69 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the
latest version of this page, can be found at
http://www.kernel.org/doc/man-pages/.
Linux 2014-05-13 PTHREAD_SELF(3)
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