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
   Multithreading (see pthreads(7))
       The pthread_equal() function is thread-safe.

CONFORMING TO
       POSIX.1-2001.

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)

COLOPHON
       This  page  is  part of release 3.74 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                                       2014-05-23                           PTHREAD_EQUAL(3)