pthread_equal.c 2.6 KB

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  1. /*
  2. * pthread_equal.c
  3. *
  4. * Description:
  5. * This translation unit implements miscellaneous thread functions.
  6. *
  7. * --------------------------------------------------------------------------
  8. *
  9. * Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
  10. * Copyright(C) 2008 Jason Schmidlapp
  11. *
  12. * Contact Email: [email protected]
  13. *
  14. *
  15. * Based upon Pthreads-win32 - POSIX Threads Library for Win32
  16. * Copyright(C) 1998 John E. Bossom
  17. * Copyright(C) 1999,2005 Pthreads-win32 contributors
  18. *
  19. * Contact Email: [email protected]
  20. *
  21. * The original list of contributors to the Pthreads-win32 project
  22. * is contained in the file CONTRIBUTORS.ptw32 included with the
  23. * source code distribution. The list can also be seen at the
  24. * following World Wide Web location:
  25. * http://sources.redhat.com/pthreads-win32/contributors.html
  26. *
  27. * This library is free software; you can redistribute it and/or
  28. * modify it under the terms of the GNU Lesser General Public
  29. * License as published by the Free Software Foundation; either
  30. * version 2 of the License, or (at your option) any later version.
  31. *
  32. * This library is distributed in the hope that it will be useful,
  33. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  34. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  35. * Lesser General Public License for more details.
  36. *
  37. * You should have received a copy of the GNU Lesser General Public
  38. * License along with this library in the file COPYING.LIB;
  39. * if not, write to the Free Software Foundation, Inc.,
  40. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  41. */
  42. #include "pthread.h"
  43. #include "implement.h"
  44. int
  45. pthread_equal (pthread_t t1, pthread_t t2)
  46. /*
  47. * ------------------------------------------------------
  48. * DOCPUBLIC
  49. * This function returns nonzero if t1 and t2 are equal, else
  50. * returns nonzero
  51. *
  52. * PARAMETERS
  53. * t1,
  54. * t2
  55. * thread IDs
  56. *
  57. *
  58. * DESCRIPTION
  59. * This function returns nonzero if t1 and t2 are equal, else
  60. * returns zero.
  61. *
  62. * RESULTS
  63. * non-zero if t1 and t2 refer to the same thread,
  64. * 0 t1 and t2 do not refer to the same thread
  65. *
  66. * ------------------------------------------------------
  67. */
  68. {
  69. int result;
  70. /*
  71. * We also accept NULL == NULL - treating NULL as a thread
  72. * for this special case, because there is no error that we can return.
  73. */
  74. result = ( t1 == t2 );
  75. return (result);
  76. } /* pthread_equal */