tests/xnu_quick_test/memory_tests.c

20 static volatile int	my_err;
23  * Handler; used by memory_tests() child to reset my_err so that it will
35 		my_err = 0;
128 	my_err = create_random_name( my_pathp, 1 );
129 	if ( my_err != 0 ) {
146 	my_err = minherit( my_test_page_p, my_page_size, VM_INHERIT_SHARE );
147 	if ( my_err == -1 ) {
182 			my_err = -1;
187 		my_err = madvise(my_bufp, (my_page_size * 10), MADV_WILLNEED);
188 		if ( my_err == -1 ) {
190 			my_err = -1;
198 			my_err = -1;
203 		my_err = madvise(my_bufp, (my_page_size * 10), MADV_DONTNEED);
204 		if ( my_err == -1 ) {
206 			my_err = -1;
213 			my_err = -1;
221 			my_err = -1;
228 			my_err = -1;
233 		my_err = madvise( my_addr, (my_page_size * 2), MADV_WILLNEED );
234 		if ( my_err == -1 ) {
236 			my_err = -1;
240 		my_err = madvise( my_addr, (my_page_size * 2), MADV_DONTNEED );
241 		if ( my_err == -1 ) {
243 			my_err = -1;
248 		my_err = mlock( my_addr, my_page_size );
249 		if ( my_err == -1 ) {
251 			my_err = -1;
256 		my_err = madvise(my_bufp, (my_page_size * 10), MADV_FREE);
257 		if ( my_err == -1 ) {
259 			my_err = -1;
263 		my_err = mincore( my_addr, 1, my_bufp );
264 		if ( my_err == -1 ) {
266 			my_err = -1;
272 			my_err = -1;
276 		my_err = munlock( my_addr, my_page_size );
277 		if ( my_err == -1 ) {
279 			my_err = -1;
285 		my_err = msync( my_addr, my_page_size, (MS_SYNC | MS_INVALIDATE) );
286 		if ( my_err == -1 ) {
288 			my_err = -1;
293 		my_err = madvise( my_addr, (my_page_size * 2), MADV_DONTNEED );
294 		if ( my_err == -1 ) {
296 			my_err = -1;
301 		my_err = madvise( my_addr, (my_page_size * 2), MADV_FREE );
302 		if ( my_err == -1 ) {
304 			my_err = -1;
314 			my_err = -1;
319 			my_err = -1;
324 		my_err = munmap( my_addr, (my_page_size * 2) );
325 		if ( my_err == -1 ) {
327 			my_err = -1;
336 			my_err = -1;
344 		my_err = mprotect( my_addr, my_page_size, PROT_READ );
345 		if ( my_err == -1 ) {
347 			my_err = -1;
360 		if ((my_err = sigaction(SIGBUS, &my_sa, NULL)) != 0) {
362 			my_err = -1;
366 		my_err = -1;	/* default to error out if we do NOT trigger a SIGBUS */
373 		my_err = -1;
375 		exit( my_err );
435 	my_err = 0;
439 	my_err = -1;
449 	return( my_err );