PTHREAD_EQUAL

Section: Linux Programmer's Manual (3)
Updated: 2015-08-08
Index Return to Main Contents
 

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 attributes(7).
InterfaceAttributeValue
pthread_equal() Thread safetyMT-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 directly compare two pthread_t values.  

SEE ALSO

pthread_create(3), pthread_self(3), pthreads(7)  

COLOPHON

This page is part of release 4.15 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/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
ATTRIBUTES
CONFORMING TO
NOTES
SEE ALSO
COLOPHON

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Time: 21:41:19 GMT, September 21, 2018