signal.h 3.6 KB

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  1. #ifndef _ASM_M32R_SIGNAL_H
  2. #define _ASM_M32R_SIGNAL_H
  3. /* $Id$ */
  4. /* orig : i386 2.4.18 */
  5. #include <linux/types.h>
  6. #include <linux/time.h>
  7. #include <linux/compiler.h>
  8. /* Avoid too many header ordering problems. */
  9. struct siginfo;
  10. #ifdef __KERNEL__
  11. /* Most things should be clean enough to redefine this at will, if care
  12. is taken to make libc match. */
  13. #define _NSIG 64
  14. #define _NSIG_BPW 32
  15. #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
  16. typedef unsigned long old_sigset_t; /* at least 32 bits */
  17. typedef struct {
  18. unsigned long sig[_NSIG_WORDS];
  19. } sigset_t;
  20. #else
  21. /* Here we must cater to libcs that poke about in kernel headers. */
  22. #define NSIG 32
  23. typedef unsigned long sigset_t;
  24. #endif /* __KERNEL__ */
  25. #define SIGHUP 1
  26. #define SIGINT 2
  27. #define SIGQUIT 3
  28. #define SIGILL 4
  29. #define SIGTRAP 5
  30. #define SIGABRT 6
  31. #define SIGIOT 6
  32. #define SIGBUS 7
  33. #define SIGFPE 8
  34. #define SIGKILL 9
  35. #define SIGUSR1 10
  36. #define SIGSEGV 11
  37. #define SIGUSR2 12
  38. #define SIGPIPE 13
  39. #define SIGALRM 14
  40. #define SIGTERM 15
  41. #define SIGSTKFLT 16
  42. #define SIGCHLD 17
  43. #define SIGCONT 18
  44. #define SIGSTOP 19
  45. #define SIGTSTP 20
  46. #define SIGTTIN 21
  47. #define SIGTTOU 22
  48. #define SIGURG 23
  49. #define SIGXCPU 24
  50. #define SIGXFSZ 25
  51. #define SIGVTALRM 26
  52. #define SIGPROF 27
  53. #define SIGWINCH 28
  54. #define SIGIO 29
  55. #define SIGPOLL SIGIO
  56. /*
  57. #define SIGLOST 29
  58. */
  59. #define SIGPWR 30
  60. #define SIGSYS 31
  61. #define SIGUNUSED 31
  62. /* These should not be considered constants from userland. */
  63. #define SIGRTMIN 32
  64. #define SIGRTMAX _NSIG
  65. /*
  66. * SA_FLAGS values:
  67. *
  68. * SA_ONSTACK indicates that a registered stack_t will be used.
  69. * SA_RESTART flag to get restarting signals (which were the default long ago)
  70. * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  71. * SA_RESETHAND clears the handler when the signal is delivered.
  72. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  73. * SA_NODEFER prevents the current signal from being masked in the handler.
  74. *
  75. * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  76. * Unix names RESETHAND and NODEFER respectively.
  77. */
  78. #define SA_NOCLDSTOP 0x00000001u
  79. #define SA_NOCLDWAIT 0x00000002u
  80. #define SA_SIGINFO 0x00000004u
  81. #define SA_ONSTACK 0x08000000u
  82. #define SA_RESTART 0x10000000u
  83. #define SA_NODEFER 0x40000000u
  84. #define SA_RESETHAND 0x80000000u
  85. #define SA_NOMASK SA_NODEFER
  86. #define SA_ONESHOT SA_RESETHAND
  87. #define SA_RESTORER 0x04000000
  88. /*
  89. * sigaltstack controls
  90. */
  91. #define SS_ONSTACK 1
  92. #define SS_DISABLE 2
  93. #define MINSIGSTKSZ 2048
  94. #define SIGSTKSZ 8192
  95. #include <asm-generic/signal.h>
  96. #ifdef __KERNEL__
  97. struct old_sigaction {
  98. __sighandler_t sa_handler;
  99. old_sigset_t sa_mask;
  100. unsigned long sa_flags;
  101. __sigrestore_t sa_restorer;
  102. };
  103. struct sigaction {
  104. __sighandler_t sa_handler;
  105. unsigned long sa_flags;
  106. __sigrestore_t sa_restorer;
  107. sigset_t sa_mask; /* mask last for extensibility */
  108. };
  109. struct k_sigaction {
  110. struct sigaction sa;
  111. };
  112. #else
  113. /* Here we must cater to libcs that poke about in kernel headers. */
  114. struct sigaction {
  115. union {
  116. __sighandler_t _sa_handler;
  117. void (*_sa_sigaction)(int, struct siginfo *, void *);
  118. } _u;
  119. sigset_t sa_mask;
  120. unsigned long sa_flags;
  121. void (*sa_restorer)(void);
  122. };
  123. #define sa_handler _u._sa_handler
  124. #define sa_sigaction _u._sa_sigaction
  125. #endif /* __KERNEL__ */
  126. typedef struct sigaltstack {
  127. void __user *ss_sp;
  128. int ss_flags;
  129. size_t ss_size;
  130. } stack_t;
  131. #ifdef __KERNEL__
  132. #include <asm/sigcontext.h>
  133. #undef __HAVE_ARCH_SIG_BITOPS
  134. struct pt_regs;
  135. extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset));
  136. #define ptrace_signal_deliver(regs, cookie) do { } while (0)
  137. #endif /* __KERNEL__ */
  138. #endif /* _ASM_M32R_SIGNAL_H */