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authorUlrich Drepper <drepper@redhat.com>1996-12-30 01:47:46 +0000
committerUlrich Drepper <drepper@redhat.com>1996-12-30 01:47:46 +0000
commitd38cd08ca397c59fc98dba8c4d0b4bd96c899c9e (patch)
tree46ffb93f070ec805f4288ef6cdb379ba0e6ae621 /signal/signal.h
parent01c901a56b165e57a17db349cc110f84f1b839c7 (diff)
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Mon Dec 30 01:32:59 1996 Ulrich Drepper <drepper@cygnus.com> * tme/localtime.c: Rewrite so that localtime_r does not call tzset, but localtime does. * features.h: Rename ANSI C to ISO C. Mention __GLIBC__ and __GLIBC_MINOR__ macros. * gnu-versions.h: Add _GNU_GETOPT_INTERFACE_VERSION. * posix/getopt.c: Use _GNU_GETOPT_INTERFACE_VERSION to check whether we can elide the code. * posix/getopt1.c: Likewise. * posix/Makefile: Correct copyright. * elf/dl-error.c (_dl_catch_error): Clear `catch' also when error occurred. * elf/dl-support.c (_dl_sysdep_open_zero_fill): Don't define if MAP_ANON is defined. * elf/eval.c: Use __getline instead of getline. * elf/rtld.c (dl_main): Check return value of _dl_new_object function for NULL. * sysdeps/generic/dl-cache.c: Update copyright. * signal/Makefile: Correct copyright. (routines): Remove gsignal and ssignal. Add bsd_signal. * signal/gsignal.c: Removed. Now is made an alias. * signal/ssignal.c: Likewise. * sysdeps/posix/raise.c: Add alias gsignal. * sysdeps/stub/raise.c: Likewise. * sysdeps/posix/signal.c: Add alias ssignal. * sysdeps/stub/signal.c: Likewise. * signal/signal.h: Declare bsd_signal. Define signal as bsd_signal if __FAVOR_BSD. * sysdeps/posix/bsd_signal.c: New file. Implementation of XPG function. * sysdeps/unix/sysv/linux/signal.c: Add explanation. * socket/sys/un.h: Define SUN_LEN according to POSIX.1g. * stdio-common/Makefile (tests): Add scanf10. * stdio-common/scanf10.c: New file. * stdio-common/vfscanf.c: Decrement counter if EOF is read while reading string. * sysdeps/libm-i387/e_acos.S: Use END, not PSEUDO_END. * sysdeps/libm-i387/e_acosl.S: Likewise. * sysdeps/libm-i387/e_asin.S: Likewise. * sysdeps/libm-i387/e_asinl.S: Likewise. * sysdeps/libm-i387/e_atan2.S: Likewise. * sysdeps/libm-i387/e_atan2f.S: Likewise. * sysdeps/libm-i387/e_atan2l.S: Likewise. * sysdeps/libm-i387/e_exp.S: Likewise. * sysdeps/libm-i387/e_expl.S: Likewise. * sysdeps/libm-i387/e_fmod.S: Likewise. * sysdeps/libm-i387/e_fmodl.S: Likewise. * sysdeps/libm-i387/e_log.S: Likewise. * sysdeps/libm-i387/e_log10.S: Likewise. * sysdeps/libm-i387/e_log10l.S: Likewise. * sysdeps/libm-i387/e_logl.S: Likewise. * sysdeps/libm-i387/e_remainder.S: Likewise. * sysdeps/libm-i387/e_remainderf.S: Likewise. * sysdeps/libm-i387/e_remainderl.S: Likewise. * sysdeps/libm-i387/e_scalb.S: Likewise. * sysdeps/libm-i387/e_scalbl.S: Likewise. * sysdeps/libm-i387/e_sqrt.S: Likewise. * sysdeps/libm-i387/e_sqrtf.S: Likewise. * sysdeps/libm-i387/e_sqrtl.S: Likewise. * sysdeps/libm-i387/s_atan.S: Likewise. * sysdeps/libm-i387/s_atanf.S: Likewise. * sysdeps/libm-i387/s_atanl.S: Likewise. * sysdeps/libm-i387/s_ceil.S: Likewise. * sysdeps/libm-i387/s_ceilf.S: Likewise. * sysdeps/libm-i387/s_ceill.S: Likewise. * sysdeps/libm-i387/s_copysign.S: Likewise. * sysdeps/libm-i387/s_copysignf.S: Likewise. * sysdeps/libm-i387/s_copysignl.S: Likewise. * sysdeps/libm-i387/s_cos.S: Likewise. * sysdeps/libm-i387/s_cosf.S: Likewise. * sysdeps/libm-i387/s_cosl.S: Likewise. * sysdeps/libm-i387/s_finite.S: Likewise. * sysdeps/libm-i387/s_finitef.S: Likewise. * sysdeps/libm-i387/s_finitel.S: Likewise. * sysdeps/libm-i387/s_floor.S: Likewise. * sysdeps/libm-i387/s_floorf.S: Likewise. * sysdeps/libm-i387/s_floorl.S: Likewise. * sysdeps/libm-i387/s_ilogb.S: Likewise. * sysdeps/libm-i387/s_ilogbf.S: Likewise. * sysdeps/libm-i387/s_ilogbl.S: Likewise. * sysdeps/libm-i387/s_log1p.S: Likewise. * sysdeps/libm-i387/s_log1pf.S: Likewise. * sysdeps/libm-i387/s_log1pl.S: Likewise. * sysdeps/libm-i387/s_logb.S: Likewise. * sysdeps/libm-i387/s_logbf.S: Likewise. * sysdeps/libm-i387/s_logbl.S: Likewise. * sysdeps/libm-i387/s_rint.S: Likewise. * sysdeps/libm-i387/s_rintf.S: Likewise. * sysdeps/libm-i387/s_rintl.S: Likewise. * sysdeps/libm-i387/s_scalbn.S: Likewise. * sysdeps/libm-i387/s_scalbnf.S: Likewise. * sysdeps/libm-i387/s_scalbnl.S: Likewise. * sysdeps/libm-i387/s_significand.S: Likewise. * sysdeps/libm-i387/s_significandf.S: Likewise. * sysdeps/libm-i387/s_significandl.S: Likewise. * sysdeps/libm-i387/s_sin.S: Likewise. * sysdeps/libm-i387/s_sinf.S: Likewise. * sysdeps/libm-i387/s_sinl.S: Likewise. * sysdeps/libm-i387/e_log.S: Use fyl2xp1 instruction for values near 1 to increase precision. * sysdeps/libm-i387/e_log10.S: Likewise. * sysdeps/libm-i387/e_log10l.S: Likewise. * sysdeps/libm-i387/e_logl.S: Likewise. * sysdeps/libm-i387/s_cos.S: Use testl instead of andw. * sysdeps/libm-i387/s_cosl.S: Likewise. * sysdeps/libm-i387/s_sin.S: Likewise. * sysdeps/libm-i387/s_sinl.S: Likewise. * sysdeps/libm-i387/s_tan.S: Likewise. * sysdeps/libm-i387/s_tanl.S: Likewise. * sysdeps/libm-i387/e_acosf.S: New file. Add float versions. * sysdeps/libm-i387/e_asinf.S: Likewise. * sysdeps/libm-i387/e_expf.S: Likewise. * sysdeps/libm-i387/e_fmodf.S: Likewise. * sysdeps/libm-i387/e_log10f.S: Likewise. * sysdeps/libm-i387/e_logf.S: Likewise. * sysdeps/libm-i387/e_scalbf.S: Likewise. * sysdeps/libm-i387/e_acosh.S: New file. Highly optimized versions. * sysdeps/libm-i387/e_acoshf.S: Likewise. * sysdeps/libm-i387/e_acoshl.S: Likewise. * sysdeps/libm-i387/e_atanh.S: Likewise. * sysdeps/libm-i387/e_atanhf.S: Likewise. * sysdeps/libm-i387/e_atanhl.S: Likewise. * sysdeps/libm-i387/e_asinh.S: Likewise. * sysdeps/libm-i387/e_asinhf.S: Likewise. * sysdeps/libm-i387/e_asinhl.S: Likewise. * sysdeps/libm-ieee754/s_asinhf.c: Tweak a bit. Use lower levels for simplified handling. * sysdeps/unix/sysv/linux/syscalls.list: Add query_module. Sun Dec 22 01:39:29 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * inet/rcmd.c (rcmd): Set h_errno before calling herror. * inet/rexec.c (rexec): Likewise. Sat Dec 21 21:47:08 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/unix/sysv/linux/m68k/setjmp.c (__setjmp): Make it really compatible. Sun Dec 22 03:23:33 1996 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_log1p.S: Use fyl2xp1 for numbers in range -0.29 <= x <= 0.29, otherwise the old method. * sysdeps/libm-i387/s_log1pf.S: Likewise. * sysdeps/libm-i387/s_log1pl.S: Likewise.
Diffstat (limited to 'signal/signal.h')
-rw-r--r--signal/signal.h54
1 files changed, 33 insertions, 21 deletions
diff --git a/signal/signal.h b/signal/signal.h
index 7b3c260..66ab3dd 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -22,7 +22,7 @@
#ifndef _SIGNAL_H
-#if !defined(__need_sig_atomic_t) && !defined(__need_sigset_t)
+#if !defined __need_sig_atomic_t && !defined __need_sigset_t
#define _SIGNAL_H 1
#include <features.h>
#endif
@@ -32,15 +32,15 @@ __BEGIN_DECLS
#include <gnu/types.h>
#include <sigset.h> /* __sigset_t, __sig_atomic_t. */
-#if !defined(__sig_atomic_t_defined) && \
- (defined(_SIGNAL_H) || defined(__need_sig_atomic_t))
+#if !defined __sig_atomic_t_defined \
+ && (defined _SIGNAL_H || defined __need_sig_atomic_t)
/* An integral type that can be modified atomically, without the
possibility of a signal arriving in the middle of the operation. */
typedef __sig_atomic_t sig_atomic_t;
#endif /* `sig_atomic_t' undefined and <signal.h> or need `sig_atomic_t'. */
-#undef __need_sig_atomic_t
+#undef __need_sig_atomic_t
-#ifdef _SIGNAL_H
+#ifdef _SIGNAL_H
#include <signum.h>
@@ -51,15 +51,27 @@ typedef void (*__sighandler_t) __P ((int));
returning the old handler, or SIG_ERR on error. */
extern __sighandler_t signal __P ((int __sig, __sighandler_t __handler));
+#if defined __FAVOR_BSD || defined __USE_XOPEN
+/* The X/Open definition of `signal' conflicts with the BSD version.
+ So they defined another function `bsd_signal'. We will use this
+ implementation as the official `signal' function if the BSD
+ interface is preferred. */
+extern __sighandler_t bsd_signal __P ((int __sig, __sighandler_t __handler));
+
+#ifdef __FAVOR_BSD
+#define signal(sig, handler) bsd_signal ((sig), (handler))
+#endif
+#endif
+
/* Send signal SIG to process number PID. If PID is zero,
send SIG to all processes in the current process's process group.
If PID is < -1, send SIG to all processes in process group - PID. */
extern int __kill __P ((__pid_t __pid, int __sig));
-#ifdef __USE_POSIX
+#ifdef __USE_POSIX
extern int kill __P ((__pid_t __pid, int __sig));
#endif /* Use POSIX. */
-#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Send SIG to all processes in process group PGRP.
If PGRP is zero, send SIG to all processes in
the current process's process group. */
@@ -69,13 +81,13 @@ extern int killpg __P ((__pid_t __pgrp, int __sig));
/* Raise signal SIG, i.e., send SIG to yourself. */
extern int raise __P ((int __sig));
-#ifdef __USE_SVID
+#ifdef __USE_SVID
/* SVID names for the same things. */
extern __sighandler_t ssignal __P ((int __sig, __sighandler_t __handler));
extern int gsignal __P ((int __sig));
#endif /* Use SVID. */
-#ifdef __USE_MISC
+#ifdef __USE_MISC
/* Print a message describing the meaning of the given signal number. */
extern void psignal __P ((int __sig, __const char *__s));
#endif /* Use misc. */
@@ -95,7 +107,7 @@ extern int __sigsetmask __P ((int __mask));
explitcly selects the BSD version. */
extern int __sigpause __P ((int __sig_or_mask, int __is_sig));
-#if defined(__USE_BSD) && !defined(__USE_XOPEN)
+#if defined __USE_BSD && !defined __USE_XOPEN
/* Set the mask of blocked signals to MASK,
wait for a signal to arrive, and then restore the mask. */
#define sigpause(mask) __sigpause ((mask), 0)
@@ -107,7 +119,7 @@ extern int __sigpause __P ((int __sig_or_mask, int __is_sig));
#endif
-#ifdef __USE_BSD
+#ifdef __USE_BSD
#define sigmask(sig) __sigmask(sig)
extern int sigblock __P ((int __mask));
@@ -119,32 +131,32 @@ extern int siggetmask __P ((void));
#endif /* Use BSD. */
-#ifdef __USE_MISC
+#ifdef __USE_MISC
#define NSIG _NSIG
#endif
-#ifdef __USE_GNU
+#ifdef __USE_GNU
typedef __sighandler_t sighandler_t;
#endif
/* 4.4 BSD uses the name `sig_t' for this. */
-#ifdef __USE_BSD
+#ifdef __USE_BSD
typedef __sighandler_t sig_t;
#endif
#endif /* <signal.h> included. */
-#ifdef __USE_POSIX
+#ifdef __USE_POSIX
-#if !defined(__sigset_t_defined) && \
- (defined(_SIGNAL_H) || defined(__need_sigset_t))
+#if !defined __sigset_t_defined \
+ && (defined _SIGNAL_H || defined __need_sigset_t)
typedef __sigset_t sigset_t;
#define __sigset_t_defined 1
#endif /* `sigset_t' not defined and <signal.h> or need `sigset_t'. */
-#undef __need_sigset_t
+#undef __need_sigset_t
-#ifdef _SIGNAL_H
+#ifdef _SIGNAL_H
/* Clear all signals from SET. */
extern int sigemptyset __P ((sigset_t *__set));
@@ -194,7 +206,7 @@ extern int sigwait __P ((__const sigset_t *__set, int *__sig));
#endif /* Use POSIX. */
-#if defined(_SIGNAL_H) && defined(__USE_BSD)
+#if defined _SIGNAL_H && defined __USE_BSD
/* Names of the signals. This variable exists only for compatibility.
Use `strsignal' instead (see <string.h>). */
@@ -238,7 +250,7 @@ extern int sigreturn __P ((struct sigcontext *__scp));
#endif /* signal.h included and use BSD. */
-#if defined(_SIGNAL_H) && (defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED))
+#if defined _SIGNAL_H && (defined __USE_BSD || defined __USE_XOPEN_EXTENDED)
#define __need_size_t
#include <stddef.h>