projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| c14e4c32 RM |
1 | /* The proper definitions for Linux's sigaction. |
| 2 | Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. | |
| 3 | This file is part of the GNU C Library. | |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 6 | modify it under the terms of the GNU Library General Public License as | |
| 7 | published by the Free Software Foundation; either version 2 of the | |
| 8 | License, or (at your option) any later version. | |
| 9 | ||
| 10 | The GNU C Library is distributed in the hope that it will be useful, | |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | Library General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Library General Public | |
| 16 | License along with the GNU C Library; see the file COPYING.LIB. If | |
| 17 | not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 18 | Boston, MA 02111-1307, USA. */ | |
| 19 | ||
| 20 | /* Structure describing the action to be taken when a signal arrives. */ | |
| 21 | struct sigaction | |
| 22 | { | |
| 23 | /* Signal handler. */ | |
| 24 | __sighandler_t sa_handler; | |
| 25 | ||
| 26 | /* Additional set of signals to be blocked. */ | |
| 27 | __sigset_t sa_mask; | |
| 28 | ||
| 29 | /* Special flags. */ | |
| 30 | unsigned long sa_flags; | |
| 31 | ||
| 32 | /* Restore handler. */ | |
| 33 | void (*sa_restorer) __P ((void)); | |
| 34 | }; | |
| 35 | ||
| 36 | /* Bits in `sa_flags'. */ | |
| 37 | #define SA_NOCLDSTOP 1 /* Don't send SIGCHLD when children stop. */ | |
| 38 | #ifdef __USE_MISC | |
| 39 | #define SA_STACK 0x08000000 /* Use signal stack by using `sa_restorer'. */ | |
| 40 | #define SA_RESTART 0x10000000 /* Don't restart syscall on signal return. */ | |
| 41 | #define SA_INTERRUPT 0x20000000 /* Historical no-op. */ | |
| 42 | #define SA_NODEFER 0x40000000 /* Don't automatically block the signal when | |
| 43 | its handler is being executed. */ | |
| 44 | #define SA_RESETHAND 0x80000000 /* Reset to SIG_DFL on entry to handler. */ | |
| 45 | ||
| 46 | /* Some aliases for the SA_ constants. */ | |
| 47 | #define SA_NOMASK SA_NODEFER | |
| 48 | #define SA_ONESHOT SA_RESETHAND | |
| 49 | #endif | |
| 50 | ||
| 51 | /* Values for the HOW argument to `sigprocmask'. */ | |
| 52 | #define SIG_BLOCK 0 /* Block signals. */ | |
| 53 | #define SIG_UNBLOCK 1 /* Unblock signals. */ | |
| 54 | #define SIG_SETMASK 2 /* Set the set of blocked signals. */ |