signal.h 2.9 KB

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  1. #ifndef _ASM_X86_SIGNAL_H
  2. #define _ASM_X86_SIGNAL_H
  3. #ifndef __ASSEMBLY__
  4. #include <linux/types.h>
  5. #include <linux/time.h>
  6. /* Avoid too many header ordering problems. */
  7. struct siginfo;
  8. /* Here we must cater to libcs that poke about in kernel headers. */
  9. #define NSIG 32
  10. typedef unsigned long sigset_t;
  11. #endif /* __ASSEMBLY__ */
  12. #define SIGHUP 1
  13. #define SIGINT 2
  14. #define SIGQUIT 3
  15. #define SIGILL 4
  16. #define SIGTRAP 5
  17. #define SIGABRT 6
  18. #define SIGIOT 6
  19. #define SIGBUS 7
  20. #define SIGFPE 8
  21. #define SIGKILL 9
  22. #define SIGUSR1 10
  23. #define SIGSEGV 11
  24. #define SIGUSR2 12
  25. #define SIGPIPE 13
  26. #define SIGALRM 14
  27. #define SIGTERM 15
  28. #define SIGSTKFLT 16
  29. #define SIGCHLD 17
  30. #define SIGCONT 18
  31. #define SIGSTOP 19
  32. #define SIGTSTP 20
  33. #define SIGTTIN 21
  34. #define SIGTTOU 22
  35. #define SIGURG 23
  36. #define SIGXCPU 24
  37. #define SIGXFSZ 25
  38. #define SIGVTALRM 26
  39. #define SIGPROF 27
  40. #define SIGWINCH 28
  41. #define SIGIO 29
  42. #define SIGPOLL SIGIO
  43. /*
  44. #define SIGLOST 29
  45. */
  46. #define SIGPWR 30
  47. #define SIGSYS 31
  48. #define SIGUNUSED 31
  49. /* These should not be considered constants from userland. */
  50. #define SIGRTMIN 32
  51. #define SIGRTMAX _NSIG
  52. /*
  53. * SA_FLAGS values:
  54. *
  55. * SA_ONSTACK indicates that a registered stack_t will be used.
  56. * SA_RESTART flag to get restarting signals (which were the default long ago)
  57. * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  58. * SA_RESETHAND clears the handler when the signal is delivered.
  59. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  60. * SA_NODEFER prevents the current signal from being masked in the handler.
  61. *
  62. * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  63. * Unix names RESETHAND and NODEFER respectively.
  64. */
  65. #define SA_NOCLDSTOP 0x00000001u
  66. #define SA_NOCLDWAIT 0x00000002u
  67. #define SA_SIGINFO 0x00000004u
  68. #define SA_ONSTACK 0x08000000u
  69. #define SA_RESTART 0x10000000u
  70. #define SA_NODEFER 0x40000000u
  71. #define SA_RESETHAND 0x80000000u
  72. #define SA_NOMASK SA_NODEFER
  73. #define SA_ONESHOT SA_RESETHAND
  74. #define SA_RESTORER 0x04000000
  75. /*
  76. * sigaltstack controls
  77. */
  78. #define SS_ONSTACK 1
  79. #define SS_DISABLE 2
  80. #define MINSIGSTKSZ 2048
  81. #define SIGSTKSZ 8192
  82. #include <asm-generic/signal-defs.h>
  83. #ifndef __ASSEMBLY__
  84. #ifdef __i386__
  85. /* Here we must cater to libcs that poke about in kernel headers. */
  86. struct sigaction {
  87. union {
  88. __sighandler_t _sa_handler;
  89. void (*_sa_sigaction)(int, struct siginfo *, void *);
  90. } _u;
  91. sigset_t sa_mask;
  92. unsigned long sa_flags;
  93. void (*sa_restorer)(void);
  94. };
  95. #define sa_handler _u._sa_handler
  96. #define sa_sigaction _u._sa_sigaction
  97. #else /* __i386__ */
  98. struct sigaction {
  99. __sighandler_t sa_handler;
  100. unsigned long sa_flags;
  101. __sigrestore_t sa_restorer;
  102. sigset_t sa_mask; /* mask last for extensibility */
  103. };
  104. struct k_sigaction {
  105. struct sigaction sa;
  106. };
  107. #endif /* !__i386__ */
  108. typedef struct sigaltstack {
  109. void *ss_sp;
  110. int ss_flags;
  111. size_t ss_size;
  112. } stack_t;
  113. #endif /* __ASSEMBLY__ */
  114. #endif /* _ASM_X86_SIGNAL_H */