diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-12-04 00:12:34 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 1997-12-04 00:12:34 +0000 |
commit | cbdee2790df9dac548fb3157cfaf7aceb0f40034 (patch) | |
tree | 566a6db9f880efdd95cb05a92d37a4c7ef6b8092 /signal | |
parent | 04be94a87d0a74c022490db7f4f926253f0d69d3 (diff) | |
download | glibc-cbdee2790df9dac548fb3157cfaf7aceb0f40034.tar.gz |
Update.
1997-12-03 23:50 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig: Add shared-thread-library variable.
* math/Makfile (CPPFLAGS): Add -D__LIBC_INTERNAL_MATH_INLINES.
* sysdeps/i386/Makefile: Don't define ___LIBC_INTERNAL_MATH_INLINES
here.
* sysdeps/m68k/fpu/e_acos.c: Likewise.
* sysdeps/m68k/fpu/e_atan2.c: Likewise.
* sysdeps/m68k/fpu/e_fmod.c: Likewise.
* sysdeps/m68k/fpu/e_pow.c: Likewise.
* sysdeps/m68k/fpu/e_scalb.c: Likewise.
* sysdeps/m68k/fpu/k_cos.c: Likewise.
* sysdeps/m68k/fpu/k_sin.c: Likewise.
* sysdeps/m68k/fpu/k_tan.c: Likewise.
* sysdeps/m68k/fpu/s_atan.c: Likewise.
* sysdeps/m68k/fpu/s_ccos.c: Likewise.
* sysdeps/m68k/fpu/s_ccosh.c: Likewise.
* sysdeps/m68k/fpu/s_cexp.c: Likewise.
* sysdeps/m68k/fpu/s_csin.c: Likewise.
* sysdeps/m68k/fpu/s_csinh.c: Likewise.
* sysdeps/m68k/fpu/s_frexp.c: Likewise.
* sysdeps/m68k/fpu/s_ilogb.c: Likewise.
* sysdeps/m68k/fpu/s_isinf.c: Likewise.
* sysdeps/m68k/fpu/s_llrint.c: Likewise.
* sysdeps/m68k/fpu/s_llrintf.c: Likewise.
* sysdeps/m68k/fpu/s_llrintl.c: Likewise.
* sysdeps/m68k/fpu/s_lrint.c: Likewise.
* sysdeps/m68k/fpu/s_modf.c: Likewise.
* sysdeps/m68k/fpu/s_remquo.c: Likewise.
* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
* sysdeps/m68k/fpu/s_sincos.c: Likewise.
* libc.map: Add __libc_current_sigrtmin, __libc_current_sigrtmax,
__libc_allocate_rtsig, sigqueue, sigtimedwait, sigwaitinfo.
* signal/Makefile (headers): Add bits/siginfo.h.
(routines): Add allocrtsig, sigtimedwait, sigwaitinfo, sigqueue.
(distribute): Add testrtsig.h.
* signal/allocrtsig.c: New file.
* signal/signal.h: Define `union sigval'. Include <bits/siginfo.h>.
Declare sigwaitinfo, sigtimedwait, sigqueue, __libc_current_sigrtmin,
__libc_current_sigrtmax.
* sysdeps/generic/sigqueue.c: New file.
* sysdeps/generic/sigtimedwait.c: New file.
* sysdeps/generic/sigwaitinfo.c: New file.
* sysdeps/generic/testrtsig.h: New file.
* sysdeps/generic/bits/siginfo.h: New file.
* sysdeps/unix/sysv/linux/bits/siginfo.h: New file.
* sysdeps/unix/sysv/linux/kernel_sigaction.h: Define struct as
old_kernel_sigaction and rename sa_handler member to k_sa_handler.
* sysdeps/unix/sysv/linux/rt_sigaction.c: New file.
* sysdeps/unix/sysv/linux/rt_sigprocmask.c: New file.
* sysdeps/unix/sysv/linux/rt_sigqueueinfo.c: New file.
* sysdeps/unix/sysv/linux/rt_sigreturn.c: New file.
* sysdeps/unix/sysv/linux/rt_sigsuspend.c: New file.
* sysdeps/unix/sysv/linux/rt_sigtimedwait.c: New file.
* sysdeps/unix/sysv/linux/sigpending.c: New file.
* sysdeps/unix/sysv/linux/sigprocmask.c: New file.
* sysdeps/unix/sysv/linux/sigqueue.c: New file.
* sysdeps/unix/sysv/linux/sigreturn.c: New file.
* sysdeps/unix/sysv/linux/sigtimedwait.c: New file.
* sysdeps/unix/sysv/linux/sigwaitinfo.c: New file.
* sysdeps/unix/sysv/linux/testrtsig.h: New file.
* sysdeps/unix/sysv/linux/sigsuspend.c: Update for AIO.
* sysdeps/unix/sysv/linux/syscalls.list: Update for AIO.
* sysdeps/unix/sysv/linux/sigaction.c: Update for AIO.
* sysdeps/unix/sysv/linux/bits/local_lim.h: Define AIO_PRIO_DELTA_MAX.
* sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _XOPEN_REALTIME
and _POSIX_REALTIME_SIGNALS.
* sysdeps/unix/sysv/linux/bits/sigaction.h: Update for AIO.
* sysdeps/unix/sysv/linux/bits/signum.h: Define SIGRTMIN/MAX and
update _NSIG.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Update for AIO.
* sysdeps/unix/sysv/linux/i386/sys/ucontext.h: Linux/i386 specific
definitions.
* Makefile (subdirs): Add rt.
* shlib-versions: Add entry for librt.
* rt/Makefile: New file.
* rt/aio.h: New file.
* rt/aio_cancel.c: New file.
* rt/aio_error.c: New file.
* rt/aio_fsync.c: New file.
* rt/aio_misc.c: New file.
* rt/aio_misc.h: New file.
* rt/aio_read.c: New file.
* rt/aio_read64.c: New file.
* rt/aio_return.c: New file.
* rt/aio_suspend.c: New file.
* rt/aio_write.c: New file.
* rt/aio_write64.c: New file.
* rt/lio_listio.c: New file.
* rt/lio_listio64.c: New file.
* sysdeps/generic/aio_sigqueue.c: New file.
* sysdeps/unix/sysv/linux/aio_sigqueue.c: New file.
* sysdeps/unix/sysv/linux/Dist: Add new files
* sysdeps/unix/sysv/linux/Makefile [$(subdir)=signal]
(sysdep_routines): Add rt_sigsuspend, rt_sigprocmask, rt_sigtimedwait,
rt_sigqueueinfo, rt_sigaction.
* posix/Makefile (headers): Add bits/environments.h.
* posix/confstr.c: Correctly handle _CS_XBS5_ILP32_OFFBIG_CFLAGS
and _CS_LFS_CFLAGS on 64bit platforms.
* posix/unistd.h: Define _XOPEN_LEGACY. Explain _XOPEN_REALTIME
and _XOPEN_REALTIME_THREADS. Include bits/environments.h.
* sysdeps/generic/bits/confname.h: Define _SC_* constants for
compilation modules.
* sysdeps/wordsize-32/bits/environments.h: New file.
* sysdeps/wordsize-64/bits/environments.h: New file.
* posix/getopt.c: Remove declaration of getpid and __libc_pid.
* posix/getopt_init.c: Test for value 0xf00baa of uninitialized
__libc_pid.
* sysdeps/unix/sysv/linux/init-first.c: Initialize __libc_pid to
0xf00baa.
* string/string.h: Add declaration of __strverscmp.
* string/strverscmp.c: Rename function ot __strverscmp and make old
name weak alias.
* sysdeps/generic/dl-sysdep.c: Declare and define __libc_uid.
* sysdeps/generic/enbl-secure.c: Likewise.
* sysdeps/mach/hurd/dl-sysdep.c: Likewise.
* sysdeps/unix/sysv/linux/bits/sigset.h: Pretty print.
* sysdeps/unix/sysv/linux/sys/pci.h: New file.
1997-12-03 Ulrich Drepper <drepper@cygnus.com>
* posix/sys/wait.h: Use __transparent_union__ instead of
transparent_union. Reported by Roland McGrath.
1997-12-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* resolv/inet_neta.c (inet_neta): Change type of first parameter
to u_int32_t. Suggested by John Lavagnino <John_Lavagnino@Brown.edu>
[PR libc/366].
* resolv/inet_addr.c (inet_addr): Change return type to u_int32_t.
* inet/arpa/inet.h: Change types of inet_neta and inet_addr.
1997-12-03 20:40 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* grp/initgroups.c: Increase buffer if it is too small.
1997-12-03 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/netinet/ip.h: Don't use u_int8_t for bit
fields, this is no ISO C. Reported by Andreas Jaeger.
1997-12-03 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/i386/sys/ucontext.h (enum): Add missing commata.
1997-12-03 08:58 Philip Blundell <pb@nexus.co.uk>
* sysdeps/generic/bits/utsname.h: <sys/utsname.h> defines
_SYS_UTSNAME_H not _UTSNAME_H.
1997-11-28 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/dl-profile.c (_dl_start_profile): Avoid overflow when
computing s_scale.
1997-11-29 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/libm-ieee754/s_csqrt.c: Use different formula for now.
* sysdeps/libm-ieee754/s_csqrtf.c: Likewise.
* sysdeps/libm-ieee754/s_csqrtl.c: Likewise.
* math/libm-test.c (csqrt_test): Add testcase.
1997-12-03 15:44 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/sys/ultrasound.h: New file.
* sysdeps/unix/sysv/linux/sys/Dist: Add it.
* sysdeps/unix/sysv/linux/sys/Makefile [$(subdir)=misc]: Likewise.
1997-11-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/sys/timex.h: Fix declaration.
1997-12-01 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* math/libm-test.c (acos_test): Add more tests.
(asin_test): Likewise.
(atan_test): Likewise.
(exp_test): Likewise.
(sin_test): Likewise.
(sqrt_test): Likewise.
(cpow_test): Likewise.
(csqrt_test): Likewise.
(cexp_test): Correct typo in gcc version test.
1997-12-02 17:14 Philip Blundell <pb@nexus.co.uk>
* sysdeps/arm/__longjmp.S: Define _SETJMP_H before including
<bits/setjmp.h>.
* sysdeps/arm/setjmp.S: Likewise.
* sysdeps/unix/sysv/linux/arm/bits/mman.h: New file.
1997-12-02 18:07 Philip Blundell <pb@nexus.co.uk>
* stdio/stdio.h: Add prototype for tmpfile64().
1997-12-02 17:47 Philip Blundell <pb@nexus.co.uk>
* stdio/stdio.h (__stdio_gen_tempname): Add extra argument to
prototype to keep in step with libio version.
* stdio-common/tmpfile64.c: Include <errno.h> for ENOSYS.
1997-12-02 17:41 Philip Blundell <pb@nexus.co.uk>
* sysdeps/generic/Makefile: Don't try to use make_siglist if
cross-compiling.
1997-12-02 01:18 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/i386/clone.S: When cloned process returns
load GOT ptr before jumping to _exit.
Reported by Xavier Leroy.
Diffstat (limited to 'signal')
-rw-r--r-- | signal/Makefile | 7 | ||||
-rw-r--r-- | signal/allocrtsig.c | 89 | ||||
-rw-r--r-- | signal/signal.h | 44 |
3 files changed, 137 insertions, 3 deletions
diff --git a/signal/Makefile b/signal/Makefile index e35fb12345..29aeea5f2b 100644 --- a/signal/Makefile +++ b/signal/Makefile @@ -22,7 +22,7 @@ subdir := signal headers := signal.h sys/signal.h bits/signum.h bits/sigcontext.h \ - bits/sigaction.h bits/sigset.h + bits/sigaction.h bits/sigset.h bits/siginfo.h routines := signal raise killpg \ sigaction sigprocmask kill \ @@ -32,11 +32,12 @@ routines := signal raise killpg \ sigsetops sigempty sigfillset sigaddset sigdelset sigismem \ sigreturn \ siggetmask sysv_signal \ - sigisempty sigandset sigorset + sigisempty sigandset sigorset \ + allocrtsig sigtimedwait sigwaitinfo sigqueue tests := tst-signal -distribute := sigsetops.h +distribute := sigsetops.h testrtsig.h include ../Rules diff --git a/signal/allocrtsig.c b/signal/allocrtsig.c new file mode 100644 index 0000000000..678bc8b17b --- /dev/null +++ b/signal/allocrtsig.c @@ -0,0 +1,89 @@ +/* Handle real-time signal allocation. + Copyright (C) 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + 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. */ + +#include <signal.h> + +/* In these variables we keep track of the used variables. If the + platform does not support any real-time signals we will define the + values to some unreasonable value which will signal failing of all + the functions below. */ +#ifndef __SIGRTMIN +static int current_rtmin = -1; +static int current_rtmax = -1; +#else +static int current_rtmin = __SIGRTMIN; +static int current_rtmax = __SIGRTMAX; + +static int initialized; + +#include "testrtsig.h" + +static void +init (void) +{ + if (!kernel_has_rtsig ()) + { + current_rtmin = -1; + current_rtmax = -1; + } + initialized = 1; +} +#endif + +/* Return number of available real-time signal with highest priority. */ +int +__libc_current_sigrtmin (void) +{ +#ifdef __SIGRTMIN + if (!initialized) + init (); +#endif + return current_rtmin; +} + +/* Return number of available real-time signal with lowest priority. */ +int +__libc_current_sigrtmax (void) +{ +#ifdef __SIGRTMIN + if (!initialized) + init (); +#endif + return current_rtmax; +} + +/* Allocate real-time signal with highest/lowest available + priority. Please note that we don't use a lock since we assume + this function to be called at program start. */ +int +__libc_allocate_rtsig (int high) +{ +#ifndef __SIGRTMIN + return -1; +#else + if (!initialized) + init (); + if (current_rtmin != -1 || current_rtmin > current_rtmax) + /* We don't have anymore signal available. */ + return -1; + + return high ? current_rtmin++ : current_rtmax--; +#endif +} diff --git a/signal/signal.h b/signal/signal.h index 5fb4bc2a14..8691b6880e 100644 --- a/signal/signal.h +++ b/signal/signal.h @@ -172,6 +172,20 @@ typedef __sigset_t sigset_t; # ifdef _SIGNAL_H +/* We need `struct timespec' later on. */ +# define __need_timespec +# include <time.h> + +/* Type for data associated with a signal. */ +typedef union sigval + { + int sival_int; + void *sival_ptr; + } sigval_t; + +/* Get the `siginfo_t' type plus the needed symbols. */ +# include <bits/siginfo.h> + /* Clear all signals from SET. */ extern int sigemptyset __P ((sigset_t *__set)); @@ -229,6 +243,24 @@ extern int sigpending __P ((sigset_t *__set)); extern int __sigwait __P ((__const sigset_t *__set, int *__sig)); extern int sigwait __P ((__const sigset_t *__set, int *__sig)); +/* Select any of pending signals from SET and place information in INFO. */ +extern int __sigwaitinfo __P ((__const sigset_t *__set, siginfo_t *__info)); +extern int sigwaitinfo __P ((__const sigset_t *__set, siginfo_t *__info)); + +/* Select any of pending signals from SET and place information in INFO. + Wait the imte specified by TIMEOUT if no signal is pending. */ +extern int __sigtimedwait __P ((__const sigset_t *__set, siginfo_t *__info, + __const struct timespec *__timeout)); +extern int sigtimedwait __P ((__const sigset_t *__set, siginfo_t *__info, + __const struct timespec *__timeout)); + +/* Send signal SIG to the process PID. Associate data in VAL with the + signal. */ +extern int __sigqueue __P ((__pid_t __pid, int __sig, + __const union sigval __val)); +extern int sigqueue __P ((__pid_t __pid, int __sig, + __const union sigval __val)); + # endif /* <signal.h> included. */ #endif /* Use POSIX. */ @@ -313,6 +345,18 @@ extern int sigaltstack __P ((__const struct sigaltstack *__ss, #endif /* signal.h included and use BSD or X/Open Unix. */ + +/* The following functions are used internally in the C library and in + other code which need deep insights. */ + +/* Return number of available real-time signal with highest priority. */ +extern int __libc_current_sigrtmin __P ((void)); +/* Return number of available real-time signal with lowest priority. */ +extern int __libc_current_sigrtmax __P ((void)); + +/* Allocate real-time signal with highest/lowest available priority. */ +extern int __libc_allocate_rtsig __P ((int __high)); + __END_DECLS #endif /* signal.h */ |