projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7ce241a0 | 1 | /* Copyright (C) 1991, 1992, 1996, 1997, 1998 Free Software Foundation, Inc. |
| 478b92f0 | 2 | This file is part of the GNU C Library. |
| 28f540f4 | 3 | |
| 478b92f0 | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
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. | |
| 28f540f4 | 8 | |
| 478b92f0 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 28f540f4 | 13 | |
| 41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, write to the Free | |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 17 | 02111-1307 USA. */ | |
| 28f540f4 | 18 | |
| f4017d20 UD |
19 | #ifndef _SIGNAL_H |
| 20 | # error "Never include <bits/sigaction.h> directly; use <signal.h> instead." | |
| 21 | #endif | |
| 22 | ||
| 28f540f4 RM |
23 | /* These definitions match those used by the 4.4 BSD kernel. |
| 24 | If the operating system has a `sigaction' system call that correctly | |
| 25 | implements the POSIX.1 behavior, there should be a system-dependent | |
| 26 | version of this file that defines `struct sigaction' and the `SA_*' | |
| 27 | constants appropriately. */ | |
| 28 | ||
| 29 | /* Structure describing the action to be taken when a signal arrives. */ | |
| 30 | struct sigaction | |
| 31 | { | |
| 32 | /* Signal handler. */ | |
| 33 | __sighandler_t sa_handler; | |
| 34 | ||
| 35 | /* Additional set of signals to be blocked. */ | |
| 36 | __sigset_t sa_mask; | |
| 37 | ||
| 38 | /* Special flags. */ | |
| 39 | int sa_flags; | |
| 40 | }; | |
| 41 | ||
| 42 | /* Bits in `sa_flags'. */ | |
| 7ce241a0 UD |
43 | #if defined __USE_UNIX98 || defined __USE_MISC |
| 44 | # define SA_ONSTACK 0x0001 /* Take signal on signal stack. */ | |
| 45 | # define SA_RESTART 0x0002 /* Restart syscall on signal return. */ | |
| 28f540f4 | 46 | #endif |
| 7ce241a0 | 47 | #define SA_NOCLDSTOP 0x0008 /* Don't send SIGCHLD when children stop. */ |
| 28f540f4 RM |
48 | |
| 49 | ||
| 50 | /* Values for the HOW argument to `sigprocmask'. */ | |
| 51 | #define SIG_BLOCK 1 /* Block signals. */ | |
| 52 | #define SIG_UNBLOCK 2 /* Unblock signals. */ | |
| 53 | #define SIG_SETMASK 3 /* Set the set of blocked signals. */ |