signum.h 3.4 KB

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  1. /* Signal number definitions. Linux version.
  2. Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #ifdef _SIGNAL_H
  17. /* Fake signal functions. */
  18. #define SIG_ERR ((__sighandler_t) -1) /* Error return. */
  19. #define SIG_DFL ((__sighandler_t) 0) /* Default action. */
  20. #define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
  21. #ifdef __USE_UNIX98
  22. # define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */
  23. #endif
  24. /* Signals. */
  25. #define SIGHUP 1 /* Hangup (POSIX). */
  26. #define SIGINT 2 /* Interrupt (ANSI). */
  27. #define SIGQUIT 3 /* Quit (POSIX). */
  28. #define SIGILL 4 /* Illegal instruction (ANSI). */
  29. #define SIGTRAP 5 /* Trace trap (POSIX). */
  30. #define SIGABRT 6 /* Abort (ANSI). */
  31. #define SIGIOT 6 /* IOT trap (4.2 BSD). */
  32. #define SIGBUS 7 /* BUS error (4.2 BSD). */
  33. #define SIGFPE 8 /* Floating-point exception (ANSI). */
  34. #define SIGKILL 9 /* Kill, unblockable (POSIX). */
  35. #define SIGUSR1 10 /* User-defined signal 1 (POSIX). */
  36. #define SIGSEGV 11 /* Segmentation violation (ANSI). */
  37. #define SIGUSR2 12 /* User-defined signal 2 (POSIX). */
  38. #define SIGPIPE 13 /* Broken pipe (POSIX). */
  39. #define SIGALRM 14 /* Alarm clock (POSIX). */
  40. #define SIGTERM 15 /* Termination (ANSI). */
  41. #define SIGSTKFLT 16 /* Stack fault. */
  42. #define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
  43. #define SIGCHLD 17 /* Child status has changed (POSIX). */
  44. #define SIGCONT 18 /* Continue (POSIX). */
  45. #define SIGSTOP 19 /* Stop, unblockable (POSIX). */
  46. #define SIGTSTP 20 /* Keyboard stop (POSIX). */
  47. #define SIGTTIN 21 /* Background read from tty (POSIX). */
  48. #define SIGTTOU 22 /* Background write to tty (POSIX). */
  49. #define SIGURG 23 /* Urgent condition on socket (4.2 BSD). */
  50. #define SIGXCPU 24 /* CPU limit exceeded (4.2 BSD). */
  51. #define SIGXFSZ 25 /* File size limit exceeded (4.2 BSD). */
  52. #define SIGVTALRM 26 /* Virtual alarm clock (4.2 BSD). */
  53. #define SIGPROF 27 /* Profiling alarm clock (4.2 BSD). */
  54. #define SIGWINCH 28 /* Window size change (4.3 BSD, Sun). */
  55. #define SIGPOLL SIGIO /* Pollable event occurred (System V). */
  56. #define SIGIO 29 /* I/O now possible (4.2 BSD). */
  57. #define SIGPWR 30 /* Power failure restart (System V). */
  58. #define SIGSYS 31 /* Bad system call. */
  59. #define SIGUNUSED 31
  60. #define _NSIG 64 /* Biggest signal number + 1
  61. (including real-time signals). */
  62. #define SIGRTMIN (__libc_current_sigrtmin ())
  63. #define SIGRTMAX (__libc_current_sigrtmax ())
  64. /* These are the hard limits of the kernel. These values should not be
  65. used directly at user level. */
  66. #define __SIGRTMIN 32
  67. #define __SIGRTMAX (_NSIG - 1)
  68. #endif /* <signal.h> included. */