Mercurial > sdl-ios-xcode

comparison test/testatomic.c @ 5018:342b158efbbe

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Michael gave permission to use his test code
author Sam Lantinga <slouken@libsdl.org>
date Tue, 18 Jan 2011 10:57:28 -0800
parents 9d6b527e0912
children 470ede30189c
comparison
equal deleted inserted replaced
5017:a9a3b9852a4a 5018:342b158efbbe
66 value = SDL_AtomicGet(&v); 66 value = SDL_AtomicGet(&v);
67 tfret = (SDL_AtomicCAS(&v, value, 20) == SDL_TRUE); 67 tfret = (SDL_AtomicCAS(&v, value, 20) == SDL_TRUE);
68 printf("AtomicCAS() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v)); 68 printf("AtomicCAS() tfret=%s val=%d\n", tf(tfret), SDL_AtomicGet(&v));
69 } 69 }
70 70
71 /* Atomic operation test, adapted from code by Michael Davidsaver at: 71 /**************************************************************************/
72 http://bazaar.launchpad.net/~mdavidsaver/epics-base/atomic/revision/12105#src/libCom/test/epicsAtomicTest.c 72 /* Atomic operation test
73 */ 73 * Adapted with permission from code by Michael Davidsaver at:
74 * http://bazaar.launchpad.net/~mdavidsaver/epics-base/atomic/revision/12105#src/libCom/test/epicsAtomicTest.c
75 * Original copyright 2010 Brookhaven Science Associates as operator of Brookhaven National Lab
76 * http://www.aps.anl.gov/epics/license/open.php
77 */
74 78
75 /* Tests semantics of atomic operations. Also a stress test 79 /* Tests semantics of atomic operations. Also a stress test
76 * to see if they are really atomic. 80 * to see if they are really atomic.
77 * 81 *
78 * Serveral threads adding to the same variable. 82 * Serveral threads adding to the same variable.
222 printf("Atomic %d Non-Atomic %d\n",v,bad); 226 printf("Atomic %d Non-Atomic %d\n",v,bad);
223 SDL_assert(v==Expect); 227 SDL_assert(v==Expect);
224 SDL_assert(bad!=Expect); 228 SDL_assert(bad!=Expect);
225 } 229 }
226 230
231 /* End atomic operation test */
232 /**************************************************************************/
233
227 int 234 int
228 main(int argc, char *argv[]) 235 main(int argc, char *argv[])
229 { 236 {
230 RunBasicTest(); 237 RunBasicTest();
231 RunEpicTest(); 238 RunEpicTest();