PTHREAD_EQUAL(3) Linux Programmer's Manual PTHREAD_EQUAL(3)
NAME
pthread_equal - compare thread IDs
SYNOPSIS
#include <pthread.h>
int pthread_equal(pthread_t t1, pthread_t t2);
Compile and link with -pthread.
DESCRIPTION
The pthread_equal() function compares two thread identifiers.
RETURN VALUE
If the two thread IDs are equal, pthread_equal() returns a nonzero
value; otherwise, it returns 0.
ERRORS
This function always succeeds.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
+----------------+---------------+---------+
|Interface | Attribute | Value |
+----------------+---------------+---------+
|pthread_equal() | Thread safety | MT-Safe |
+----------------+---------------+---------+
CONFORMING TO
POSIX.1-2001, POSIX.1-2008.
NOTES
The pthread_equal() function is necessary because thread IDs should be
considered opaque: there is no portable way for applications to di-
rectly compare two pthread_t values.
SEE ALSO
pthread_create(3), pthread_self(3), pthreads(7)
COLOPHON
This page is part of release 5.07 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
https://www.kernel.org/doc/man-pages/.
Linux 2015-08-08 PTHREAD_EQUAL(3)