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Diffstat (limited to 'pthreads/pthread_equal.c')
-rw-r--r-- | pthreads/pthread_equal.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/pthreads/pthread_equal.c b/pthreads/pthread_equal.c new file mode 100644 index 000000000..f96372edb --- /dev/null +++ b/pthreads/pthread_equal.c @@ -0,0 +1,76 @@ +/* + * pthread_equal.c + * + * Description: + * This translation unit implements miscellaneous thread functions. + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "pthread.h" +#include "implement.h" + + +int +pthread_equal (pthread_t t1, pthread_t t2) + /* + * ------------------------------------------------------ + * DOCPUBLIC + * This function returns nonzero if t1 and t2 are equal, else + * returns nonzero + * + * PARAMETERS + * t1, + * t2 + * thread IDs + * + * + * DESCRIPTION + * This function returns nonzero if t1 and t2 are equal, else + * returns zero. + * + * RESULTS + * non-zero if t1 and t2 refer to the same thread, + * 0 t1 and t2 do not refer to the same thread + * + * ------------------------------------------------------ + */ +{ + int result; + + /* + * We also accept NULL == NULL - treating NULL as a thread + * for this special case, because there is no error that we can return. + */ + result = ( t1.p == t2.p && t1.x == t2.x ); + + return (result); + +} /* pthread_equal */ |