signal.h 3.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158
  1. #ifndef _ASM_M32R_SIGNAL_H
  2. #define _ASM_M32R_SIGNAL_H
  3. #include <linux/types.h>
  4. #include <linux/time.h>
  5. #include <linux/compiler.h>
  6. /* Avoid too many header ordering problems. */
  7. struct siginfo;
  8. #ifdef __KERNEL__
  9. /* Most things should be clean enough to redefine this at will, if care
  10. is taken to make libc match. */
  11. #define _NSIG 64
  12. #define _NSIG_BPW 32
  13. #define _NSIG_WORDS (_NSIG / _NSIG_BPW)
  14. typedef unsigned long old_sigset_t; /* at least 32 bits */
  15. typedef struct {
  16. unsigned long sig[_NSIG_WORDS];
  17. } sigset_t;
  18. #else
  19. /* Here we must cater to libcs that poke about in kernel headers. */
  20. #define NSIG 32
  21. typedef unsigned long sigset_t;
  22. #endif /* __KERNEL__ */
  23. #define SIGHUP 1
  24. #define SIGINT 2
  25. #define SIGQUIT 3
  26. #define SIGILL 4
  27. #define SIGTRAP 5
  28. #define SIGABRT 6
  29. #define SIGIOT 6
  30. #define SIGBUS 7
  31. #define SIGFPE 8
  32. #define SIGKILL 9
  33. #define SIGUSR1 10
  34. #define SIGSEGV 11
  35. #define SIGUSR2 12
  36. #define SIGPIPE 13
  37. #define SIGALRM 14
  38. #define SIGTERM 15
  39. #define SIGSTKFLT 16
  40. #define SIGCHLD 17
  41. #define SIGCONT 18
  42. #define SIGSTOP 19
  43. #define SIGTSTP 20
  44. #define SIGTTIN 21
  45. #define SIGTTOU 22
  46. #define SIGURG 23
  47. #define SIGXCPU 24
  48. #define SIGXFSZ 25
  49. #define SIGVTALRM 26
  50. #define SIGPROF 27
  51. #define SIGWINCH 28
  52. #define SIGIO 29
  53. #define SIGPOLL SIGIO
  54. /*
  55. #define SIGLOST 29
  56. */
  57. #define SIGPWR 30
  58. #define SIGSYS 31
  59. #define SIGUNUSED 31
  60. /* These should not be considered constants from userland. */
  61. #define SIGRTMIN 32
  62. #define SIGRTMAX _NSIG
  63. /*
  64. * SA_FLAGS values:
  65. *
  66. * SA_ONSTACK indicates that a registered stack_t will be used.
  67. * SA_RESTART flag to get restarting signals (which were the default long ago)
  68. * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
  69. * SA_RESETHAND clears the handler when the signal is delivered.
  70. * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
  71. * SA_NODEFER prevents the current signal from being masked in the handler.
  72. *
  73. * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  74. * Unix names RESETHAND and NODEFER respectively.
  75. */
  76. #define SA_NOCLDSTOP 0x00000001u
  77. #define SA_NOCLDWAIT 0x00000002u
  78. #define SA_SIGINFO 0x00000004u
  79. #define SA_ONSTACK 0x08000000u
  80. #define SA_RESTART 0x10000000u
  81. #define SA_NODEFER 0x40000000u
  82. #define SA_RESETHAND 0x80000000u
  83. #define SA_NOMASK SA_NODEFER
  84. #define SA_ONESHOT SA_RESETHAND
  85. #define SA_RESTORER 0x04000000
  86. /*
  87. * sigaltstack controls
  88. */
  89. #define SS_ONSTACK 1
  90. #define SS_DISABLE 2
  91. #define MINSIGSTKSZ 2048
  92. #define SIGSTKSZ 8192
  93. #include <asm-generic/signal-defs.h>
  94. #ifdef __KERNEL__
  95. struct sigaction {
  96. __sighandler_t sa_handler;
  97. unsigned long sa_flags;
  98. __sigrestore_t sa_restorer;
  99. sigset_t sa_mask; /* mask last for extensibility */
  100. };
  101. struct k_sigaction {
  102. struct sigaction sa;
  103. };
  104. #else
  105. /* Here we must cater to libcs that poke about in kernel headers. */
  106. struct sigaction {
  107. union {
  108. __sighandler_t _sa_handler;
  109. void (*_sa_sigaction)(int, struct siginfo *, void *);
  110. } _u;
  111. sigset_t sa_mask;
  112. unsigned long sa_flags;
  113. void (*sa_restorer)(void);
  114. };
  115. #define sa_handler _u._sa_handler
  116. #define sa_sigaction _u._sa_sigaction
  117. #endif /* __KERNEL__ */
  118. typedef struct sigaltstack {
  119. void __user *ss_sp;
  120. int ss_flags;
  121. size_t ss_size;
  122. } stack_t;
  123. #ifdef __KERNEL__
  124. #include <asm/sigcontext.h>
  125. #undef __HAVE_ARCH_SIG_BITOPS
  126. struct pt_regs;
  127. #define ptrace_signal_deliver(regs, cookie) do { } while (0)
  128. #endif /* __KERNEL__ */
  129. #endif /* _ASM_M32R_SIGNAL_H */