signal.h 2.2 KB

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  1. #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  2. || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  3. #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  4. #define MINSIGSTKSZ 4096
  5. #define SIGSTKSZ 10240
  6. #endif
  7. #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
  8. typedef unsigned long greg_t, gregset_t[48];
  9. typedef struct {
  10. double fpregs[32];
  11. double fpscr;
  12. unsigned _pad[2];
  13. } fpregset_t;
  14. typedef struct {
  15. unsigned vrregs[32][4];
  16. unsigned vrsave;
  17. unsigned _pad[2];
  18. unsigned vscr;
  19. } vrregset_t;
  20. struct sigcontext
  21. {
  22. unsigned long _unused[4];
  23. int signal;
  24. unsigned long handler;
  25. unsigned long oldmask;
  26. void *regs;
  27. };
  28. typedef struct {
  29. gregset_t gregs;
  30. fpregset_t fpregs;
  31. vrregset_t vrregs
  32. #ifdef __GNUC__
  33. __attribute__((__aligned__(16)))
  34. #endif
  35. ;
  36. } mcontext_t;
  37. #else
  38. typedef struct {
  39. long __regs[48+68+4*32+4]
  40. #ifdef __GNUC__
  41. __attribute__((__aligned__(16)))
  42. #endif
  43. ;
  44. } mcontext_t;
  45. #endif
  46. struct sigaltstack {
  47. void *ss_sp;
  48. int ss_flags;
  49. size_t ss_size;
  50. };
  51. typedef struct __ucontext {
  52. unsigned long uc_flags;
  53. struct __ucontext *uc_link;
  54. stack_t uc_stack;
  55. int uc_pad[7];
  56. mcontext_t *uc_regs;
  57. sigset_t uc_sigmask;
  58. int uc_pad2[3];
  59. mcontext_t uc_mcontext;
  60. } ucontext_t;
  61. #define SA_NOCLDSTOP 1U
  62. #define SA_NOCLDWAIT 2U
  63. #define SA_SIGINFO 4U
  64. #define SA_ONSTACK 0x08000000U
  65. #define SA_RESTART 0x10000000U
  66. #define SA_NODEFER 0x40000000U
  67. #define SA_RESETHAND 0x80000000U
  68. #define SA_RESTORER 0x04000000U
  69. #endif
  70. #define SIGHUP 1
  71. #define SIGINT 2
  72. #define SIGQUIT 3
  73. #define SIGILL 4
  74. #define SIGTRAP 5
  75. #define SIGABRT 6
  76. #define SIGIOT SIGABRT
  77. #define SIGBUS 7
  78. #define SIGFPE 8
  79. #define SIGKILL 9
  80. #define SIGUSR1 10
  81. #define SIGSEGV 11
  82. #define SIGUSR2 12
  83. #define SIGPIPE 13
  84. #define SIGALRM 14
  85. #define SIGTERM 15
  86. #define SIGSTKFLT 16
  87. #define SIGCHLD 17
  88. #define SIGCONT 18
  89. #define SIGSTOP 19
  90. #define SIGTSTP 20
  91. #define SIGTTIN 21
  92. #define SIGTTOU 22
  93. #define SIGURG 23
  94. #define SIGXCPU 24
  95. #define SIGXFSZ 25
  96. #define SIGVTALRM 26
  97. #define SIGPROF 27
  98. #define SIGWINCH 28
  99. #define SIGIO 29
  100. #define SIGPOLL 29
  101. #define SIGPWR 30
  102. #define SIGSYS 31
  103. #define SIGUNUSED SIGSYS
  104. #define _NSIG 65