dispatch_sema.c 1.3 KB

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  1. /*
  2. * Copyright (c) 2008-2011 Apple Inc. All rights reserved.
  3. *
  4. * @APPLE_APACHE_LICENSE_HEADER_START@
  5. *
  6. * Licensed under the Apache License, Version 2.0 (the "License");
  7. * you may not use this file except in compliance with the License.
  8. * You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing, software
  13. * distributed under the License is distributed on an "AS IS" BASIS,
  14. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. * See the License for the specific language governing permissions and
  16. * limitations under the License.
  17. *
  18. * @APPLE_APACHE_LICENSE_HEADER_END@
  19. */
  20. #include <dispatch/dispatch.h>
  21. #if !USE_WIN32_SEM
  22. #include <pthread.h>
  23. #endif
  24. #include <stdio.h>
  25. #include <assert.h>
  26. #include <bsdtests.h>
  27. #include "dispatch_test.h"
  28. #define LAPS 10000
  29. int
  30. main(void)
  31. {
  32. static long total;
  33. dispatch_semaphore_t dsema;
  34. dispatch_test_start("Dispatch Semaphore");
  35. dsema = dispatch_semaphore_create(1);
  36. assert(dsema);
  37. dispatch_apply(LAPS, dispatch_get_global_queue(0, 0), ^(size_t idx __attribute__((unused))) {
  38. dispatch_semaphore_wait(dsema, DISPATCH_TIME_FOREVER);
  39. total++;
  40. dispatch_semaphore_signal(dsema);
  41. });
  42. dispatch_release(dsema);
  43. test_long("count", total, LAPS);
  44. test_stop();
  45. return 0;
  46. }