diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc/bits/sigaction.h')
| -rw-r--r-- | libc/sysdeps/linux/sparc/bits/sigaction.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc/bits/sigaction.h b/libc/sysdeps/linux/sparc/bits/sigaction.h new file mode 100644 index 000000000..7d7b3cc5d --- /dev/null +++ b/libc/sysdeps/linux/sparc/bits/sigaction.h @@ -0,0 +1,76 @@ +/* The proper definitions for Linux/SPARC sigaction. + Copyright (C) 1996, 1997, 1998, 2000 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SIGNAL_H +# error "Never include <bits/sigaction.h> directly; use <signal.h> instead." +#endif + +/* Structure describing the action to be taken when a signal arrives. */ +struct sigaction + { + /* Signal handler. */ +#ifdef __USE_POSIX199309 + union + { + /* Used if SA_SIGINFO is not set. */ + __sighandler_t sa_handler; + /* Used if SA_SIGINFO is set. */ + void (*sa_sigaction) __PMT ((int, siginfo_t *, void *)); + } + __sigaction_handler; +# define sa_handler __sigaction_handler.sa_handler +# define sa_sigaction __sigaction_handler.sa_sigaction +#else + __sighandler_t sa_handler; +#endif + + /* Additional set of signals to be blocked. */ + __sigset_t sa_mask; + + /* Special flags. */ + unsigned long sa_flags; + + /* Not used by Linux/Sparc yet. */ + void (*sa_restorer) __PMT ((void)); + }; + + +/* Bits in `sa_flags'. */ +#define SA_NOCLDSTOP 0x00000008 /* Don't send SIGCHLD when children stop. */ +#define SA_NOCLDWAIT 0x00000100 /* Don't create zombie on child death. */ +#define SA_SIGINFO 0x00000200 /* Invoke signal-catching function with + three arguments instead of one. */ +#ifdef __USE_MISC +# define SA_ONSTACK 0x00000001 /* Use signal stack by using `sa_restorer'. */ +# define SA_RESTART 0x00000002 /* Restart syscall on signal return. */ +# define SA_INTERRUPT 0x00000010 /* Historical no-op. */ +# define SA_NOMASK 0x00000020 /* Don't automatically block the signal when + its handler is being executed. */ +# define SA_ONESHOT 0x00000004 /* Reset to SIG_DFL on entry to handler. */ + +/* Some aliases for the SA_ constants. */ +# define SA_NODEFER SA_NOMASK +# define SA_RESETHAND SA_ONESHOT +# define SA_STACK SA_ONSTACK +#endif + +/* Values for the HOW argument to `sigprocmask'. */ +#define SIG_BLOCK 1 /* Block signals. */ +#define SIG_UNBLOCK 2 /* Unblock signals. */ +#define SIG_SETMASK 4 /* Set the set of blocked signals. */ |