779ae82ecd
1997-04-30 17:35 Ulrich Drepper <drepper@cygnus.com> * math/libm-test.c: Implement test for exceptions. Partly due to Andreas Jaeger. (csin_test): New function. * sysdeps/libm-i387/s_cexp.S: Raise correct exceptions. * sysdeps/libm-i387/s_cexpf.S: Likewise. * sysdeps/libm-i387/s_cexpl.S: Likewise. * sysdeps/libm-ieee754/s_ccos.c: Likewise. * sysdeps/libm-ieee754/s_ccosf.c: Likewise. * sysdeps/libm-ieee754/s_ccosl.c: Likewise. * sysdeps/libm-ieee754/s_ccosh.c: Likewise. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_cexp.c: Likewise. * sysdeps/libm-ieee754/s_cexpf.c: Likewise. * sysdeps/libm-ieee754/s_cexpl.c: Likewise. * sysdeps/libm-ieee754/s_csinh.c: Likewise. * sysdeps/libm-ieee754/s_csinhf.c: Likewise. * sysdeps/libm-ieee754/s_csinhl.c: Likewise. * sysdeps/libm-ieee754/s_ctanh.c: Likewise. * sysdeps/libm-ieee754/s_ctanhf.c: Likewise. * sysdeps/libm-ieee754/s_ctanhl.c: Likewise. * sysdeps/libm-ieee754/s_ccosh.c: Correct computation. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_csinh.c: Likewise. * sysdeps/libm-ieee754/s_csinhf.c: Likewise. * sysdeps/libm-ieee754/s_csinhl.c: Likewise. * sysdeps/libm-ieee754/s_csin.c: Rewrite. * sysdeps/libm-ieee754/s_csinf.c: Likewise. * sysdeps/libm-ieee754/s_csinl.c: Likewise. * stdlib/random_r.c (__srandom_r): Don't use seed 0. Use 1 in this case. * sysdeps/i386/dl-machine.h (elf_machine_load_address): Use notation for local label. * time/strftime.c (add): Respect `0' padding flag. Reported by Richard Stallman <rms@gnu.ai.mit.edu>. 1997-04-30 15:46 Ulrich Drepper <drepper@cygnus.com> * Makeconfig (start-installed-name): Define here, not in csu/Makefile. Use in +link macro. * csu/Makefile (distribute): Add abi-note.S and abi-tag.h. (start-installed-name): Don't define here. When ELF generate file named by start-installed-name from start.o and abi-note.o. * csu/abi-note.S: New file. * sysdeps/stub/abi-tag.h: New file. * sysdpes/unix/sysv/linux/abi-tag.h: New file. Patches by Roland McGrath <roland@gnu.ai.mit.edu>. 1997-04-30 01:32 Ulrich Drepper <drepper@cygnus.com> * manual/stdio.texi: Use @vtable where possible. Add TeX version of @multitable since texi2dvi cannot handle them correct in the moment. * po/de.po: Update. 1997-04-29 21:06 Ulrich Drepper <drepper@cygnus.com> * Makeconfig: Don't set cross-compiling based on $(BUILD_CC) != $(CC). * config.make.in: Set cross-compiling from configure result. * configure.in: Emit definition of `cross_compiling'. Patches by Marcus G. Daniels <marcus@cathcart.sysc.pdx.edu>. 1997-04-27 21:50 Philip Blundell <pjb27@cam.ac.uk> * sysdeps/unix/sysv/linux/net/route.h (struct in6_rtmsg): Use correct `int' sizes for struct members. 1997-04-29 19:14 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/e_powf.S Generate invalid exception correctly. * sysdeps/libm-i387/e_pow.S: Likewise. * sysdeps/libm-i387/e_powl.S: Likewise. 1997-04-23 10:08 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/fenv.h: Correct typos. 1997-04-28 10:04 Richard Henderson <rth@tamu.edu> * sysdeps/unix/sysv/linux/alpha/clone.S: Save the function argument in t0 rather than a4 to avoid it being clobbered. 1997-04-27 23:52 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/summary.awk: Recognize @defmumblex. * manual/signal.texi (Miscellaneous Signals): Use @deftypevrx for second description header. 1997-04-27 23:29 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/arith.texi (Floating-Point Classes): Don't indent text, makeinfo doesn't like that. 1997-04-27 20:52 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * malloc/obstack.h (obstack_specify_allocation_with_arg, obstack_chunkfun, obstack_freefun): Fix casts. 1997-04-27 18:21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/xtract-typefun.awk: Allow names with only one character. 1997-04-26 14:16 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/netinet/ip_fw.h: Use <netinet/ip_icmp.h> not <netinet/icmp.h>. Reported by Michael Deutschmann <ldeutsch@mail.netshop.net>. 1997-04-25 12:31 Ulrich Drepper <drepper@cygnus.com> * csu/Makefile ($(objpfx)initfini.s): Add CPPFLAGS, CFLAGS and -g0 to command line of compiler. Patch by Marcus G. Daniels <marcus@sysc.pdx.edu>. * sysdeps/generic/sigset.h (__sigandset, __sigorset): Fix typos. Patch by Marcus G. Daniels <marcus@sysc.pdx.edu>. * signal/signal.h (_sys_siglist, sys_siglist): Use _NSIG, not NSIG in declaration. Patch by Michael Widenius <monty@tcx.se>. * time/strptime.c (strptime_internal): Fix %I format specifier being off by one. Patch by Mark Kettenis <kettenis@phys.uva.nl>. 1997-04-24 12:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdlib/lcong48_r.c: Include <limits.h>. * stdlib/seed48_r.c: Likewise. * stdio-common/printf_size.c (printf_size): Correct type of `units' and make robust against future changes. 1997-04-23 18:58 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_cproj.c: Use isfinite instead of finite. * sysdeps/libm-ieee754/s_cprojl.c: Likewise. * sysdeps/libm-ieee754/s_cprojf.c: Likewise. 1997-04-23 18:53 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/arith.texi, manual/math.texi: Use @defmumblex for additional description headers. * manual/xtract-typefun.awk: Recognize them. 1997-04-22 15:58 Andreas Jaeger <aj@arthur.rhein-neckar.de> * stdio-common/printf_size.c (printf_size): Correct size of array units.
315 lines
10 KiB
C
315 lines
10 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 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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/*
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* ISO C Standard: 4.7 SIGNAL HANDLING <signal.h>
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*/
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#ifndef _SIGNAL_H
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#if !defined __need_sig_atomic_t && !defined __need_sigset_t
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#define _SIGNAL_H 1
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#include <features.h>
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#endif
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__BEGIN_DECLS
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#include <gnu/types.h>
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#include <sigset.h> /* __sigset_t, __sig_atomic_t. */
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#if !defined __sig_atomic_t_defined \
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&& (defined _SIGNAL_H || defined __need_sig_atomic_t)
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/* An integral type that can be modified atomically, without the
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possibility of a signal arriving in the middle of the operation. */
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typedef __sig_atomic_t sig_atomic_t;
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#endif /* `sig_atomic_t' undefined and <signal.h> or need `sig_atomic_t'. */
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#undef __need_sig_atomic_t
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#ifdef _SIGNAL_H
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#include <signum.h>
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/* Type of a signal handler. */
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typedef void (*__sighandler_t) __P ((int));
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/* Set the handler for the signal SIG to HANDLER, returning the old
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handler, or SIG_ERR on error.
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By default `signal' has the BSD semantic. */
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extern __sighandler_t signal __P ((int __sig, __sighandler_t __handler));
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/* The X/Open definition of `signal' specifies the SVID semantic. Use
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the additional function `sysv_signal' when X/Open compatibility is
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requested. */
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extern __sighandler_t __sysv_signal __P ((int __sig,
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__sighandler_t __handler));
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#if defined __USE_XOPEN && !defined __USE_GNU
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extern __sighandler_t sysv_signal __P ((int __sig, __sighandler_t __handler));
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/* Make sure the used `signal' implementation is the SVID version. */
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#define signal(sig, handler) __sysv_signal ((sig), (handler))
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#endif
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#ifdef __USE_XOPEN
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/* The X/Open definition of `signal' conflicts with the BSD version.
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So they defined another function `bsd_signal'. */
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extern __sighandler_t __bsd_signal __P ((int __sig, __sighandler_t __handler));
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extern __sighandler_t bsd_signal __P ((int __sig, __sighandler_t __handler));
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#endif
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/* Send signal SIG to process number PID. If PID is zero,
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send SIG to all processes in the current process's process group.
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If PID is < -1, send SIG to all processes in process group - PID. */
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extern int __kill __P ((__pid_t __pid, int __sig));
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#ifdef __USE_POSIX
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extern int kill __P ((__pid_t __pid, int __sig));
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#endif /* Use POSIX. */
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#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
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/* Send SIG to all processes in process group PGRP.
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If PGRP is zero, send SIG to all processes in
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the current process's process group. */
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extern int killpg __P ((__pid_t __pgrp, int __sig));
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#endif /* Use BSD || X/Open Unix. */
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/* Raise signal SIG, i.e., send SIG to yourself. */
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extern int raise __P ((int __sig));
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#ifdef __USE_SVID
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/* SVID names for the same things. */
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extern __sighandler_t ssignal __P ((int __sig, __sighandler_t __handler));
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extern int gsignal __P ((int __sig));
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#endif /* Use SVID. */
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#ifdef __USE_MISC
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/* Print a message describing the meaning of the given signal number. */
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extern void psignal __P ((int __sig, __const char *__s));
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#endif /* Use misc. */
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/* Block signals in MASK, returning the old mask. */
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extern int __sigblock __P ((int __mask));
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/* Set the mask of blocked signals to MASK, returning the old mask. */
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extern int __sigsetmask __P ((int __mask));
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/* The `sigpause' function has two different interfaces. The original
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BSD definition defines the argument as a mask of the signal, while
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the more modern interface in X/Open defines it as the signal
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number. We go with the BSD version unless the user explicitly
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selects the X/Open version. */
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extern int __sigpause __P ((int __sig_or_mask, int __is_sig));
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#if defined __USE_BSD || defined __USE_GNU
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/* Set the mask of blocked signals to MASK,
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wait for a signal to arrive, and then restore the mask. */
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extern int sigpause __P ((int __mask));
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#define sigpause(mask) __sigpause ((mask), 0)
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#else
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#ifdef __USE_XOPEN
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/* Remove a signal from the signal mask and suspend the process. */
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#define sigpause(sig) __sigpause ((sig), 1)
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#endif
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#endif
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#ifdef __USE_BSD
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#define sigmask(sig) __sigmask(sig)
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extern int sigblock __P ((int __mask));
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extern int sigsetmask __P ((int __mask));
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/* This function is here only for compatibility.
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Use `sigprocmask' instead. */
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extern int siggetmask __P ((void));
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#endif /* Use BSD. */
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#ifdef __USE_MISC
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#define NSIG _NSIG
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#endif
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#ifdef __USE_GNU
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typedef __sighandler_t sighandler_t;
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#endif
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/* 4.4 BSD uses the name `sig_t' for this. */
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#ifdef __USE_BSD
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typedef __sighandler_t sig_t;
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#endif
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#endif /* <signal.h> included. */
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#ifdef __USE_POSIX
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#if !defined __sigset_t_defined \
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&& (defined _SIGNAL_H || defined __need_sigset_t)
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typedef __sigset_t sigset_t;
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#define __sigset_t_defined 1
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#endif /* `sigset_t' not defined and <signal.h> or need `sigset_t'. */
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#undef __need_sigset_t
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#ifdef _SIGNAL_H
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/* Clear all signals from SET. */
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extern int sigemptyset __P ((sigset_t *__set));
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/* Set all signals in SET. */
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extern int sigfillset __P ((sigset_t *__set));
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/* Add SIGNO to SET. */
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extern int sigaddset __P ((sigset_t *__set, int __signo));
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/* Remove SIGNO from SET. */
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extern int sigdelset __P ((sigset_t *__set, int __signo));
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/* Return 1 if SIGNO is in SET, 0 if not. */
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extern int sigismember __P ((__const sigset_t *__set, int __signo));
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#ifdef __USE_GNU
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/* Return non-empty value is SET is not empty. */
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extern int sigisemptyset __P ((__const sigset_t *__set));
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/* Build new signal set by combining the two inputs set using logical AND. */
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extern int sigandset __P ((sigset_t *__set, __const sigset_t *__left,
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__const sigset_t *__right));
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/* Build new signal set by combining the two inputs set using logical OR. */
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extern int sigorset __P ((sigset_t *__set, __const sigset_t *__left,
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__const sigset_t *__right));
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#endif /* GNU */
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/* Get the system-specific definitions of `struct sigaction'
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and the `SA_*' and `SIG_*'. constants. */
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#include <sigaction.h>
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/* Get and/or change the set of blocked signals. */
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extern int __sigprocmask __P ((int __how,
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__const sigset_t *__set, sigset_t *__oset));
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extern int sigprocmask __P ((int __how,
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__const sigset_t *__set, sigset_t *__oset));
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/* Change the set of blocked signals to SET,
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wait until a signal arrives, and restore the set of blocked signals. */
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extern int __sigsuspend __P ((__const sigset_t *__set));
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extern int sigsuspend __P ((__const sigset_t *__set));
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/* Get and/or set the action for signal SIG. */
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extern int __sigaction __P ((int __sig, __const struct sigaction *__act,
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struct sigaction *__oact));
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extern int sigaction __P ((int __sig, __const struct sigaction *__act,
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struct sigaction *__oact));
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/* Put in SET all signals that are blocked and waiting to be delivered. */
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extern int sigpending __P ((sigset_t *__set));
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/* Select any of pending signals from SET or wait for any to arrive. */
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extern int __sigwait __P ((__const sigset_t *__set, int *__sig));
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extern int sigwait __P ((__const sigset_t *__set, int *__sig));
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#endif /* <signal.h> included. */
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#endif /* Use POSIX. */
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#if defined _SIGNAL_H && defined __USE_BSD
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/* Names of the signals. This variable exists only for compatibility.
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Use `strsignal' instead (see <string.h>). */
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extern __const char *__const _sys_siglist[_NSIG];
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extern __const char *__const sys_siglist[_NSIG];
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/* Structure passed to `sigvec'. */
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struct sigvec
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{
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__sighandler_t sv_handler; /* Signal handler. */
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int sv_mask; /* Mask of signals to be blocked. */
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int sv_flags; /* Flags (see below). */
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#define sv_onstack sv_flags /* 4.2 BSD compatibility. */
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};
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/* Bits in `sv_flags'. */
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#define SV_ONSTACK (1 << 0)/* Take the signal on the signal stack. */
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#define SV_INTERRUPT (1 << 1)/* Do not restart system calls. */
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#define SV_RESETHAND (1 << 2)/* Reset handler to SIG_DFL on receipt. */
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/* If VEC is non-NULL, set the handler for SIG to the `sv_handler' member
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of VEC. The signals in `sv_mask' will be blocked while the handler runs.
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If the SV_RESETHAND bit is set in `sv_flags', the handler for SIG will be
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reset to SIG_DFL before `sv_handler' is entered. If OVEC is non-NULL,
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it is filled in with the old information for SIG. */
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extern int __sigvec __P ((int __sig, __const struct sigvec *__vec,
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struct sigvec *__ovec));
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extern int sigvec __P ((int __sig, __const struct sigvec *__vec,
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struct sigvec *__ovec));
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/* Get machine-dependent `struct sigcontext' and signal subcodes. */
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#include <sigcontext.h>
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/* Restore the state saved in SCP. */
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extern int __sigreturn __P ((struct sigcontext *__scp));
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extern int sigreturn __P ((struct sigcontext *__scp));
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#endif /* signal.h included and use BSD. */
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#if defined _SIGNAL_H && (defined __USE_BSD || defined __USE_XOPEN_EXTENDED)
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#define __need_size_t
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#include <stddef.h>
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/* If INTERRUPT is nonzero, make signal SIG interrupt system calls
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(causing them to fail with EINTR); if INTERRUPT is zero, make system
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calls be restarted after signal SIG. */
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extern int siginterrupt __P ((int __sig, int __interrupt));
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/* Structure describing a signal stack. */
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struct sigstack
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{
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__ptr_t ss_sp; /* Signal stack pointer. */
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int ss_onstack; /* Nonzero if executing on this stack. */
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};
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/* Run signals handlers on the stack specified by SS (if not NULL).
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If OSS is not NULL, it is filled in with the old signal stack status. */
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extern int sigstack __P ((__const struct sigstack *__ss,
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struct sigstack *__oss));
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/* Alternate interface. */
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struct sigaltstack
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{
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__ptr_t ss_sp;
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size_t ss_size;
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int ss_flags;
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};
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extern int sigaltstack __P ((__const struct sigaltstack *__ss,
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struct sigaltstack *__oss));
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#endif /* signal.h included and use BSD or X/Open Unix. */
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__END_DECLS
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#endif /* signal.h */
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