04-18-2008
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LEARN ABOUT SUSE
pthread_self
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_cre-
ate(3) call that created this thread.
RETURN VALUE
This function always succeeds, returning the calling thread's ID.
ERRORS
This function always succeeds.
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 only guaranteed to be unique 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 3.25 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/.
Linux 2008-10-24 PTHREAD_SELF(3)