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pthread_equal

Section: C Library Functions (3)
Updated: 202-0-17
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NAME

pthread_equal - compare thread IDs  

LIBRARY

POSIX threads library (libpthread,~-lpthread)  

SYNOPSIS

#include <pthread.h>
int pthread_equal(pthread_t t1, pthread_t t2);
 

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 safetyM-Safe
 

STANDARDS

POSIX.-2008.  

HISTORY

POSIX.-2001.  

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)


 

Index

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
ATTRIBUTES
STANDARDS
HISTORY
NOTES
SEE ALSO