| /* |
| * Copyright (c) 2010-2011 Apple Inc. All rights reserved. |
| * |
| * @APPLE_APACHE_LICENSE_HEADER_START@ |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * @APPLE_APACHE_LICENSE_HEADER_END@ |
| */ |
| |
| #include <stdio.h> |
| #include <fcntl.h> |
| #include <stdlib.h> |
| #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) |
| #include <unistd.h> |
| #endif |
| |
| #include <dispatch/dispatch.h> |
| |
| #include <bsdtests.h> |
| #include "dispatch_test.h" |
| |
| #define ITERATIONS 1000 |
| long iterations, notifications; |
| |
| int |
| main(void) |
| { |
| dispatch_test_start("Dispatch VNODE RENAME"); |
| |
| char path1[] = "/tmp/dispatchtest_vnode.XXXXXX"; |
| char path2[] = "/tmp/dispatchtest_vnode.XXXXXX"; |
| int fd1 = mkstemp(path1); |
| if (fd1 == -1) { |
| test_errno("mkstemp", errno, 0); |
| test_stop(); |
| } |
| close(fd1); |
| if (!mktemp(path2)) { |
| test_errno("mktemp", errno, 0); |
| test_stop(); |
| } |
| char *currentName = path1; |
| char *renameDest = path2; |
| dispatch_semaphore_t renamedSemaphore = dispatch_semaphore_create(0); |
| dispatch_group_t g = dispatch_group_create(); |
| |
| while (iterations++ < ITERATIONS) { |
| int fd = open(currentName, O_EVTONLY); |
| if (fd == -1) { |
| test_errno("open", errno, 0); |
| test_stop(); |
| } |
| |
| dispatch_source_t monitorSource = dispatch_source_create( |
| DISPATCH_SOURCE_TYPE_VNODE, fd, DISPATCH_VNODE_RENAME, |
| dispatch_get_global_queue(0, 0)); |
| dispatch_source_set_event_handler(monitorSource, ^{ |
| dispatch_semaphore_signal(renamedSemaphore); |
| }); |
| dispatch_source_set_cancel_handler(monitorSource, ^{ |
| close(fd); |
| }); |
| #if DISPATCH_API_VERSION >= 20100818 // <rdar://problem/7731284> |
| dispatch_group_enter(g); |
| dispatch_source_set_registration_handler(monitorSource, ^{ |
| dispatch_group_leave(g); |
| }); |
| #endif |
| dispatch_resume(monitorSource); |
| dispatch_group_wait(g, DISPATCH_TIME_FOREVER); |
| |
| if(rename(currentName, renameDest)) { |
| test_errno("rename", errno, 0); |
| test_stop(); |
| } |
| char *tmp = currentName; |
| currentName = renameDest; |
| renameDest = tmp; |
| |
| if(!dispatch_semaphore_wait(renamedSemaphore, |
| dispatch_time(DISPATCH_TIME_NOW, 10 * 1000 * NSEC_PER_USEC))) { |
| fprintf(stderr, "."); |
| notifications++; |
| dispatch_source_cancel(monitorSource); |
| } else { |
| fprintf(stderr, "!"); |
| dispatch_source_cancel(monitorSource); |
| dispatch_semaphore_signal(renamedSemaphore); |
| } |
| if (!(iterations % 80)) { |
| fprintf(stderr, "\n"); |
| } |
| dispatch_release(monitorSource); |
| } |
| fprintf(stderr, "\n"); |
| unlink(currentName); |
| dispatch_release(g); |
| dispatch_release(renamedSemaphore); |
| test_long("VNODE RENAME notifications", notifications, ITERATIONS); |
| test_stop(); |
| return 0; |
| } |