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SysVr4 info header.
This commit is contained in:
Ulrich Drepper
parent
0997fa9648
commit
fc961ebd7f
51
sysdeps/unix/sysv/sysv4/bits/sigaction.h
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51
sysdeps/unix/sysv/sysv4/bits/sigaction.h
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/* The proper definitions for SVR4's sigaction.
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Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/* Structure describing the action to be taken when a signal arrives. */
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struct sigaction
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{
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/* Special flags. */
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int sa_flags;
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/* Signal handler. */
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__sighandler_t sa_handler;
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/* Additional set of signals to be blocked. */
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__sigset_t sa_mask;
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/* Padding. */
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int sa_resv[2];
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};
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/* Bits in `sa_flags'. */
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#ifdef __USE_MISC
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#define SA_ONSTACK 0x1 /* Take signal on signal stack. */
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#define SA_RESETHAND 0x2 /* Reset to SIG_DFL on entry to handler. */
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#define SA_RESTART 0x4 /* Don't restart syscall on signal return. */
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#define SA_SIGINFO 0x8 /* Provide additional info to the handler. */
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#define SA_NODEFER 0x10 /* Don't automatically block the signal when
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its handler is being executed. */
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#define SA_NOCLDWAIT 0x10000 /* Don't save zombie processes. */
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#endif
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#define SA_NOCLDSTOP 0x20000 /* Don't send SIGCHLD when children stop. */
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/* Values for the HOW argument to `sigprocmask'. */
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#define SIG_BLOCK 1 /* Block signals. */
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#define SIG_UNBLOCK 2 /* Unblock signals. */
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#define SIG_SETMASK 3 /* Set the set of blocked signals. */
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66
sysdeps/unix/sysv/sysv4/bits/signum.h
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66
sysdeps/unix/sysv/sysv4/bits/signum.h
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/* Signal number definitions. SVR4 version.
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Copyright (C) 1994, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifdef _SIGNAL_H
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/* Fake signal functions. */
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#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
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#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
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#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
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/* Signals. */
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#define SIGHUP 1 /* Hangup (POSIX). */
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#define SIGINT 2 /* Interrupt (ANSI). */
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#define SIGQUIT 3 /* Quit (POSIX). */
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#define SIGILL 4 /* Illegal instruction (ANSI). */
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#define SIGABRT SIGIOT /* Abort (ANSI). */
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#define SIGTRAP 5 /* Trace trap (POSIX). */
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#define SIGIOT 6 /* IOT trap (4.2 BSD). */
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#define SIGEMT 7 /* EMT trap (4.2 BSD). */
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#define SIGFPE 8 /* Floating-point exception (ANSI). */
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#define SIGKILL 9 /* Kill, unblockable (POSIX). */
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#define SIGBUS 10 /* Bus error (4.2 BSD). */
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#define SIGSEGV 11 /* Segmentation violation (ANSI). */
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#define SIGSYS 12 /* Bad argument to system call (4.2 BSD)*/
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#define SIGPIPE 13 /* Broken pipe (POSIX). */
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#define SIGALRM 14 /* Alarm clock (POSIX). */
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#define SIGTERM 15 /* Termination (ANSI). */
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#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */
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#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
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#define SIGCHLD 18 /* Child status has changed (POSIX). */
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#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
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#define SIGPWR 19 /* Power failure restart (System V). */
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#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
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#define SIGURG 21 /* Urgent condition on socket (4.2 BSD).*/
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#define SIGPOLL 22 /* Pollable event occurred (System V). */
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#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
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#define SIGSTOP 23 /* Stop, unblockable (POSIX). */
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#define SIGTSTP 24 /* Keyboard stop (POSIX). */
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#define SIGCONT 25 /* Continue (POSIX). */
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#define SIGTTIN 26 /* Background read from tty (POSIX). */
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#define SIGTTOU 27 /* Background write to tty (POSIX). */
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#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
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#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
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#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
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#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
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#endif /* <signal.h> included. */
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#define _NSIG 32 /* Biggest signal number + 1. */
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96
sysdeps/unix/sysv/sysv4/bits/sigset.h
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96
sysdeps/unix/sysv/sysv4/bits/sigset.h
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/* __sig_atomic_t, __sigset_t, and related definitions. SVR4 version.
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Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SIGSET_H_types
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#define _SIGSET_H_types 1
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typedef int __sig_atomic_t;
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/* A `sigset_t' has a bit for each signal. */
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typedef struct
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{
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unsigned long int __sigbits[4];
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} __sigset_t;
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#endif /* ! _SIGSET_H_types */
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/* We only want to define these functions if <signal.h> was actually
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included; otherwise we were included just to define the types. Since we
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are namespace-clean, it wouldn't hurt to define extra macros. But
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trouble can be caused by functions being defined (e.g., any global
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register vars declared later will cause compilation errors). */
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#if !defined (_SIGSET_H_fns) && defined (_SIGNAL_H)
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#define _SIGSET_H_fns 1
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/* Return a mask that includes SIG only. */
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#define __sigmask(sig) (1 << ((sig) - 1))
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/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */
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#define __NSSBITS (sizeof (__sigset_t) * 8)
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#define __SSELT(s) ((s) / __NSSBITS)
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#define __SSMASK(s) (1 << ((s) % __NSSBITS))
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#ifndef _EXTERN_INLINE
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#define _EXTERN_INLINE extern __inline
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#endif
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_EXTERN_INLINE int
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__sigemptyset (__sigset_t *__set)
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{
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__set->__sigbits[0] = __set->__sigbits[1] =
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__set->__sigbits[2] = __set->__sigbits[3] = 0L;
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return 0;
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}
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_EXTERN_INLINE int
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__sigfillset (__sigset_t *__set)
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{
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/* SVR4 has a system call for `sigfillset' (!), and it only sets the bits
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for signals [1,31]. Setting bits for unimplemented signals seems
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harmless (and we will find out if it really is). */
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__set->__sigbits[0] = __set->__sigbits[1] =
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__set->__sigbits[2] = __set->__sigbits[3] = ~0L;
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return 0;
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}
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_EXTERN_INLINE int
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__sigaddset (__sigset_t *__set, int __sig)
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{
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__set->__sigbits[__SSELT (__sig)] |= __SSMASK (__sig);
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return 0;
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}
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_EXTERN_INLINE int
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__sigdelset (__sigset_t *__set, int __sig)
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{
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__set->__sigbits[__SSELT (__sig)] &= ~__SSMASK (__sig);
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return 0;
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}
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_EXTERN_INLINE int
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__sigismember (__const __sigset_t *__set, int __sig)
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{
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if (__set->__sigbits[__SSELT (__sig)] & __SSMASK (__sig))
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return 1;
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return 0;
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}
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#endif /* ! _SIGSET_H_fns */
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1
sysdeps/unix/sysv/sysv4/bits/utsname.h
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1
sysdeps/unix/sysv/sysv4/bits/utsname.h
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#define _UTSNAME_LENGTH 257
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34
sysdeps/unix/sysv/sysv4/bits/waitflags.h
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34
sysdeps/unix/sysv/sysv4/bits/waitflags.h
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/* Definitions of flag bits for `waitpid' et al.
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Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Brendan Kehoe (brendan@zen.org).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SYS_WAIT_H
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#error "Never use <bits/waitflags.h> directly; include <sys/wait.h> instead."
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#endif
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/* Bits in the third argument to `waitpid'. */
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#define WNOHANG 64 /* Don't block waiting. */
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#define WUNTRACED 4 /* Report status of stopped children. */
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#ifdef __USE_SVID
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#define WEXITED 1 /* Look for children that have exited. */
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#define WTRAPPED 2 /* Look for processes that stopped
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while tracing. */
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#endif
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