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spawn.h 4.0KB

3 vuotta sitten
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  1. /*-
  2. * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. *
  14. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24. * SUCH DAMAGE.
  25. */
  26. #ifndef _SPAWN_H_
  27. #define _SPAWN_H_
  28. #include <_ansi.h>
  29. #include <sys/cdefs.h>
  30. #include <sys/types.h>
  31. #include <sys/_types.h>
  32. #define __need_sigset_t
  33. #include <signal.h>
  34. struct sched_param;
  35. typedef struct __posix_spawnattr *posix_spawnattr_t;
  36. typedef struct __posix_spawn_file_actions *posix_spawn_file_actions_t;
  37. #define POSIX_SPAWN_RESETIDS 0x01
  38. #define POSIX_SPAWN_SETPGROUP 0x02
  39. #define POSIX_SPAWN_SETSCHEDPARAM 0x04
  40. #define POSIX_SPAWN_SETSCHEDULER 0x08
  41. #define POSIX_SPAWN_SETSIGDEF 0x10
  42. #define POSIX_SPAWN_SETSIGMASK 0x20
  43. _BEGIN_STD_C
  44. /*
  45. * Spawn routines
  46. *
  47. * XXX both arrays should be __restrict, but this does not work when GCC
  48. * is invoked with -std=c99.
  49. */
  50. int posix_spawn (pid_t * __restrict, const char * __restrict,
  51. const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
  52. char * const [], char * const []);
  53. int posix_spawnp (pid_t * __restrict, const char * __restrict,
  54. const posix_spawn_file_actions_t *, const posix_spawnattr_t * __restrict,
  55. char * const [], char * const []);
  56. /*
  57. * File descriptor actions
  58. */
  59. int posix_spawn_file_actions_init (posix_spawn_file_actions_t *);
  60. int posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *);
  61. int posix_spawn_file_actions_addopen (posix_spawn_file_actions_t * __restrict,
  62. int, const char * __restrict, int, mode_t);
  63. int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *, int, int);
  64. int posix_spawn_file_actions_addclose (posix_spawn_file_actions_t *, int);
  65. /*
  66. * Spawn attributes
  67. */
  68. int posix_spawnattr_init (posix_spawnattr_t *);
  69. int posix_spawnattr_destroy (posix_spawnattr_t *);
  70. int posix_spawnattr_getflags (const posix_spawnattr_t * __restrict,
  71. short * __restrict);
  72. int posix_spawnattr_getpgroup (const posix_spawnattr_t * __restrict,
  73. pid_t * __restrict);
  74. int posix_spawnattr_getschedparam (const posix_spawnattr_t * __restrict,
  75. struct sched_param * __restrict);
  76. int posix_spawnattr_getschedpolicy (const posix_spawnattr_t * __restrict,
  77. int * __restrict);
  78. int posix_spawnattr_getsigdefault (const posix_spawnattr_t * __restrict,
  79. sigset_t * __restrict);
  80. int posix_spawnattr_getsigmask (const posix_spawnattr_t * __restrict,
  81. sigset_t * __restrict);
  82. int posix_spawnattr_setflags (posix_spawnattr_t *, short);
  83. int posix_spawnattr_setpgroup (posix_spawnattr_t *, pid_t);
  84. int posix_spawnattr_setschedparam (posix_spawnattr_t * __restrict,
  85. const struct sched_param * __restrict);
  86. int posix_spawnattr_setschedpolicy (posix_spawnattr_t *, int);
  87. int posix_spawnattr_setsigdefault (posix_spawnattr_t * __restrict,
  88. const sigset_t * __restrict);
  89. int posix_spawnattr_setsigmask (posix_spawnattr_t * __restrict,
  90. const sigset_t * __restrict);
  91. _END_STD_C
  92. #endif /* !_SPAWN_H_ */