parallel_critical_named_inline_01.c 2.4 KB

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  1. /* StarPU --- Runtime system for heterogeneous multicore architectures.
  2. *
  3. * Copyright (C) 2014 Inria
  4. *
  5. * StarPU is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU Lesser General Public License as published by
  7. * the Free Software Foundation; either version 2.1 of the License, or (at
  8. * your option) any later version.
  9. *
  10. * StarPU is distributed in the hope that it will be useful, but
  11. * WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13. *
  14. * See the GNU Lesser General Public License in COPYING.LGPL for more details.
  15. */
  16. #include <pthread.h>
  17. #include <starpu.h>
  18. #include "../helper.h"
  19. #include <stdio.h>
  20. #if !defined(STARPU_OPENMP)
  21. int main(int argc, char **argv)
  22. {
  23. return STARPU_TEST_SKIPPED;
  24. }
  25. #else
  26. __attribute__((constructor))
  27. static void omp_constructor(void)
  28. {
  29. int ret = starpu_omp_init();
  30. STARPU_CHECK_RETURN_VALUE(ret, "starpu_omp_init");
  31. }
  32. __attribute__((destructor))
  33. static void omp_destructor(void)
  34. {
  35. starpu_omp_shutdown();
  36. }
  37. void parallel_region_f(void *buffers[], void *args)
  38. {
  39. (void) buffers;
  40. (void) args;
  41. int worker_id;
  42. pthread_t tid;
  43. tid = pthread_self();
  44. worker_id = starpu_worker_get_id();
  45. printf("[tid %p] task thread = %d -- parallel -->\n", (void *)tid, worker_id);
  46. starpu_omp_critical_inline_begin("g");
  47. printf("[tid %p] task thread = %d -- critical \"g\"\n", (void *)tid, worker_id);
  48. starpu_omp_critical_inline_end("g");
  49. starpu_omp_critical_inline_begin("h");
  50. printf("[tid %p] task thread = %d -- critical \"h\"\n", (void *)tid, worker_id);
  51. starpu_omp_critical_inline_end("h");
  52. starpu_omp_critical_inline_begin("g");
  53. printf("[tid %p] task thread = %d -- critical \"g\"\n", (void *)tid, worker_id);
  54. starpu_omp_critical_inline_end("g");
  55. starpu_omp_critical_inline_begin("h");
  56. printf("[tid %p] task thread = %d -- critical \"h\"\n", (void *)tid, worker_id);
  57. starpu_omp_critical_inline_end("h");
  58. printf("[tid %p] task thread = %d -- parallel <--\n", (void *)tid, worker_id);
  59. }
  60. int
  61. main (int argc, char *argv[]) {
  62. struct starpu_omp_parallel_region_attr attr;
  63. pthread_t tid;
  64. tid = pthread_self();
  65. printf("<main>\n");
  66. memset(&attr, 0, sizeof(attr));
  67. attr.cl.cpu_funcs[0] = parallel_region_f;
  68. attr.cl.where = STARPU_CPU;
  69. attr.if_clause = 1;
  70. starpu_omp_parallel_region(&attr);
  71. printf("<main>\n");
  72. starpu_omp_parallel_region(&attr);
  73. printf("<main>\n");
  74. return 0;
  75. }
  76. #endif