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SysVr4 info header.

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This commit is contained in:
Ulrich Drepper 1997-06-21 02:53:38 +00:00
parent 0997fa9648
commit fc961ebd7f
5 changed files with 248 additions and 0 deletions
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51
sysdeps/unix/sysv/sysv4/bits/sigaction.h Normal file
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/* The proper definitions for SVR4's sigaction.
Copyright (C) 1993, 1994, 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
{
/* Special flags. */
int sa_flags;
/* Signal handler. */
__sighandler_t sa_handler;
/* Additional set of signals to be blocked. */
__sigset_t sa_mask;
/* Padding. */
int sa_resv[2];
};
/* Bits in `sa_flags'. */
#ifdef __USE_MISC
#define SA_ONSTACK 0x1 /* Take signal on signal stack. */
#define SA_RESETHAND 0x2 /* Reset to SIG_DFL on entry to handler. */
#define SA_RESTART 0x4 /* Don't restart syscall on signal return. */
#define SA_SIGINFO 0x8 /* Provide additional info to the handler. */
#define SA_NODEFER 0x10 /* Don't automatically block the signal when
its handler is being executed. */
#define SA_NOCLDWAIT 0x10000 /* Don't save zombie processes. */
#endif
#define SA_NOCLDSTOP 0x20000 /* Don't send SIGCHLD when children stop. */
/* Values for the HOW argument to `sigprocmask'. */
#define SIG_BLOCK 1 /* Block signals. */
#define SIG_UNBLOCK 2 /* Unblock signals. */
#define SIG_SETMASK 3 /* Set the set of blocked signals. */

66
sysdeps/unix/sysv/sysv4/bits/signum.h Normal file
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/* Signal number definitions. SVR4 version.
Copyright (C) 1994, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifdef _SIGNAL_H
/* Fake signal functions. */
#define SIG_ERR ((__sighandler_t) -1) /* Error return. */
#define SIG_DFL ((__sighandler_t) 0) /* Default action. */
#define SIG_IGN ((__sighandler_t) 1) /* Ignore signal. */
/* Signals. */
#define SIGHUP 1 /* Hangup (POSIX). */
#define SIGINT 2 /* Interrupt (ANSI). */
#define SIGQUIT 3 /* Quit (POSIX). */
#define SIGILL 4 /* Illegal instruction (ANSI). */
#define SIGABRT SIGIOT /* Abort (ANSI). */
#define SIGTRAP 5 /* Trace trap (POSIX). */
#define SIGIOT 6 /* IOT trap (4.2 BSD). */
#define SIGEMT 7 /* EMT trap (4.2 BSD). */
#define SIGFPE 8 /* Floating-point exception (ANSI). */
#define SIGKILL 9 /* Kill, unblockable (POSIX). */
#define SIGBUS 10 /* Bus error (4.2 BSD). */
#define SIGSEGV 11 /* Segmentation violation (ANSI). */
#define SIGSYS 12 /* Bad argument to system call (4.2 BSD)*/
#define SIGPIPE 13 /* Broken pipe (POSIX). */
#define SIGALRM 14 /* Alarm clock (POSIX). */
#define SIGTERM 15 /* Termination (ANSI). */
#define SIGUSR1 16 /* User-defined signal 1 (POSIX). */
#define SIGUSR2 17 /* User-defined signal 2 (POSIX). */
#define SIGCHLD 18 /* Child status has changed (POSIX). */
#define SIGCLD SIGCHLD /* Same as SIGCHLD (System V). */
#define SIGPWR 19 /* Power failure restart (System V). */
#define SIGWINCH 20 /* Window size change (4.3 BSD, Sun). */
#define SIGURG 21 /* Urgent condition on socket (4.2 BSD).*/
#define SIGPOLL 22 /* Pollable event occurred (System V). */
#define SIGIO SIGPOLL /* I/O now possible (4.2 BSD). */
#define SIGSTOP 23 /* Stop, unblockable (POSIX). */
#define SIGTSTP 24 /* Keyboard stop (POSIX). */
#define SIGCONT 25 /* Continue (POSIX). */
#define SIGTTIN 26 /* Background read from tty (POSIX). */
#define SIGTTOU 27 /* Background write to tty (POSIX). */
#define SIGVTALRM 28 /* Virtual alarm clock (4.2 BSD). */
#define SIGPROF 29 /* Profiling alarm clock (4.2 BSD). */
#define SIGXCPU 30 /* CPU limit exceeded (4.2 BSD). */
#define SIGXFSZ 31 /* File size limit exceeded (4.2 BSD). */
#endif /* <signal.h> included. */
#define _NSIG 32 /* Biggest signal number + 1. */

96
sysdeps/unix/sysv/sysv4/bits/sigset.h Normal file
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/* __sig_atomic_t, __sigset_t, and related definitions. SVR4 version.
Copyright (C) 1994, 1995, 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _SIGSET_H_types
#define _SIGSET_H_types 1
typedef int __sig_atomic_t;
/* A `sigset_t' has a bit for each signal. */
typedef struct
{
unsigned long int __sigbits[4];
} __sigset_t;
#endif /* ! _SIGSET_H_types */
/* We only want to define these functions if <signal.h> was actually
included; otherwise we were included just to define the types. Since we
are namespace-clean, it wouldn't hurt to define extra macros. But
trouble can be caused by functions being defined (e.g., any global
register vars declared later will cause compilation errors). */
#if !defined (_SIGSET_H_fns) && defined (_SIGNAL_H)
#define _SIGSET_H_fns 1
/* Return a mask that includes SIG only. */
#define __sigmask(sig) (1 << ((sig) - 1))
/* It's easier to assume 8-bit bytes than to get CHAR_BIT. */
#define __NSSBITS (sizeof (__sigset_t) * 8)
#define __SSELT(s) ((s) / __NSSBITS)
#define __SSMASK(s) (1 << ((s) % __NSSBITS))
#ifndef _EXTERN_INLINE
#define _EXTERN_INLINE extern __inline
#endif
_EXTERN_INLINE int
__sigemptyset (__sigset_t *__set)
{
__set->__sigbits[0] = __set->__sigbits[1] =
__set->__sigbits[2] = __set->__sigbits[3] = 0L;
return 0;
}
_EXTERN_INLINE int
__sigfillset (__sigset_t *__set)
{
/* SVR4 has a system call for `sigfillset' (!), and it only sets the bits
for signals [1,31]. Setting bits for unimplemented signals seems
harmless (and we will find out if it really is). */
__set->__sigbits[0] = __set->__sigbits[1] =
__set->__sigbits[2] = __set->__sigbits[3] = ~0L;
return 0;
}
_EXTERN_INLINE int
__sigaddset (__sigset_t *__set, int __sig)
{
__set->__sigbits[__SSELT (__sig)] |= __SSMASK (__sig);
return 0;
}
_EXTERN_INLINE int
__sigdelset (__sigset_t *__set, int __sig)
{
__set->__sigbits[__SSELT (__sig)] &= ~__SSMASK (__sig);
return 0;
}
_EXTERN_INLINE int
__sigismember (__const __sigset_t *__set, int __sig)
{
if (__set->__sigbits[__SSELT (__sig)] & __SSMASK (__sig))
return 1;
return 0;
}
#endif /* ! _SIGSET_H_fns */

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sysdeps/unix/sysv/sysv4/bits/utsname.h Normal file
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#define _UTSNAME_LENGTH 257

34
sysdeps/unix/sysv/sysv4/bits/waitflags.h Normal file
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/* Definitions of flag bits for `waitpid' et al.
Copyright (C) 1993, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
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 _SYS_WAIT_H
#error "Never use <bits/waitflags.h> directly; include <sys/wait.h> instead."
#endif
/* Bits in the third argument to `waitpid'. */
#define WNOHANG 64 /* Don't block waiting. */
#define WUNTRACED 4 /* Report status of stopped children. */
#ifdef __USE_SVID
#define WEXITED 1 /* Look for children that have exited. */
#define WTRAPPED 2 /* Look for processes that stopped
while tracing. */
#endif