tests/xnu_quick_test/memory_tests.c

103 	int			my_page_size, my_status;
133 	my_page_size = getpagesize( );
134 	my_kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_test_page_p, my_page_size, VM_FLAGS_ANYWHERE);
146 	my_err = minherit( my_test_page_p, my_page_size, VM_INHERIT_SHARE );
179        		my_kr = vm_allocate((vm_map_t) mach_task_self(), (vm_address_t*)&my_bufp, (my_page_size * 10), VM_FLAGS_ANYWHERE);
187 		my_err = madvise(my_bufp, (my_page_size * 10), MADV_WILLNEED);
194 		memset( my_bufp, 'j', (my_page_size * 10) );
203 		my_err = madvise(my_bufp, (my_page_size * 10), MADV_DONTNEED);
210 		my_result = write( my_fd, my_bufp, (my_page_size * 10) );
218 		my_addr = (char *) mmap( NULL, (my_page_size * 2), (PROT_READ | PROT_WRITE), (MAP_FILE | MAP_SHARED), my_fd, 0 );
226 		if ( *my_addr != 'j' || *(my_addr + my_page_size) != 'j' ) {
233 		my_err = madvise( my_addr, (my_page_size * 2), MADV_WILLNEED );
240 		my_err = madvise( my_addr, (my_page_size * 2), MADV_DONTNEED );
248 		my_err = mlock( my_addr, my_page_size );
256 		my_err = madvise(my_bufp, (my_page_size * 10), MADV_FREE);
276 		my_err = munlock( my_addr, my_page_size );
284 		memset( my_addr, 'x', my_page_size );
285 		my_err = msync( my_addr, my_page_size, (MS_SYNC | MS_INVALIDATE) );
293 		my_err = madvise( my_addr, (my_page_size * 2), MADV_DONTNEED );
301 		my_err = madvise( my_addr, (my_page_size * 2), MADV_FREE );
310 		bzero( (void *)my_bufp, my_page_size );
311 		my_result = read( my_fd, my_bufp, my_page_size );
324 		my_err = munmap( my_addr, (my_page_size * 2) );
333 		my_addr = (char *) mmap( NULL, (my_page_size * 2), (PROT_READ | PROT_WRITE), (MAP_FILE | MAP_SHARED), my_fd, 0 );
344 		my_err = mprotect( my_addr, my_page_size, PROT_READ );
447 		vm_deallocate(mach_task_self(), (vm_address_t)my_test_page_p, my_page_size);