| /* Copyright (C) 1992, 1996 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public License as |
| published by the Free Software Foundation; either version 2 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with the GNU C Library; see the file COPYING.LIB. If |
| not, write to the Free Software Foundation, Inc., 675 Mass Ave, |
| Cambridge, MA 02139, USA. */ |
| |
| /* Structure describing the action to be taken when a signal arrives. */ |
| struct sigaction |
| { |
| /* Signal handler. */ |
| __sighandler_t sa_handler; |
| |
| /* Additional set of signals to be blocked. */ |
| __sigset_t sa_mask; |
| |
| /* Special flags. */ |
| int sa_flags; |
| }; |
| |
| /* Bits in `sa_flags'. */ |
| #ifdef __USE_MISC |
| #define SA_ONSTACK 0x1 /* Take signal on signal stack. */ |
| #define SA_RESETHAND 0x2 /* Reset signal handler when signal caught. */ |
| #define SA_NODEFER 0x4 /* Don't block signal while catching it. */ |
| #define SA_RESTART 0x8 /* Don't restart syscall on signal return. */ |
| #define SA_SIGINFO 0x10 /* Extended signal handling. */ |
| #define SA_NOCLDWAIT 0x20 /* Don't create zombies. */ |
| #define SA_COMPAT 0x80 /* Internal flag for old signal catchers. */ |
| #define SA_DISABLE 0x100 /* Disable alternate signal stack. */ |
| #endif |
| #define SA_NOCLDSTOP 0x40 /* Don't send SIGCHLD when children stop. */ |
| |
| |
| /* Values for the HOW argument to `sigprocmask'. */ |
| #define SIG_BLOCK 0 /* Block signals. */ |
| #define SIG_UNBLOCK 1 /* Unblock signals. */ |
| #define SIG_SETMASK 2 /* Set the set of blocked signals. */ |
