From 03598b162e66b6f3df8d9ed55ac18865c5ad2a22 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Mon, 25 Jan 1999 23:20:52 +0000 Subject: Split most of POSIX Threads Manager into multiple files. --- cpukit/posix/src/pthreadequal.c | 79 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 cpukit/posix/src/pthreadequal.c (limited to 'cpukit/posix/src/pthreadequal.c') diff --git a/cpukit/posix/src/pthreadequal.c b/cpukit/posix/src/pthreadequal.c new file mode 100644 index 0000000000..083eda0c9f --- /dev/null +++ b/cpukit/posix/src/pthreadequal.c @@ -0,0 +1,79 @@ +/* + * 16.1.7 Compare Thread IDs, p1003.1c/Draft 10, p. 153 + * + * NOTE: POSIX does not define the behavior when either thread id is invalid. + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include +#include + +#include +#include + +int pthread_equal( + pthread_t t1, + pthread_t t2 +) +{ + /* + * If the system is configured for debug, then we will do everything we + * can to insure that both ids are valid. Otherwise, we will do the + * cheapest possible thing to determine if they are equal. + */ + +#ifndef RTEMS_DEBUG + return _Objects_Are_ids_equal( t1, t2 ); +#else + int status; + Objects_Locations location; + + /* + * By default this is not a match. + */ + + status = 0; + + /* + * Validate the first id and return 0 if it is not valid + */ + + (void) _POSIX_Threads_Get( t1, &location ); + switch ( location ) { + case OBJECTS_ERROR: + case OBJECTS_REMOTE: + break; + + case OBJECTS_LOCAL: + + /* + * Validate the second id and return 0 if it is not valid + */ + + (void) _POSIX_Threads_Get( t2, &location ); + switch ( location ) { + case OBJECTS_ERROR: + case OBJECTS_REMOTE: + break; + case OBJECTS_LOCAL: + status = _Objects_Are_ids_equal( t1, t2 ); + break; + } + _Thread_Unnest_dispatch(); + break; + } + + _Thread_Enable_dispatch(); + return status; +#endif +} + -- cgit v1.2.3