[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/build/uClibc/include/signal.h b/ap/build/uClibc/include/signal.h
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+/* Copyright (C) 1991-2003, 2004 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/*
+ * ISO C99 Standard: 7.14 Signal handling <signal.h>
+ */
+
+#ifndef _SIGNAL_H
+
+#if !defined __need_sig_atomic_t && !defined __need_sigset_t
+# define _SIGNAL_H
+#endif
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <bits/sigset.h> /* __sigset_t, __sig_atomic_t. */
+
+/* An integral type that can be modified atomically, without the
+ possibility of a signal arriving in the middle of the operation. */
+#if defined __need_sig_atomic_t || defined _SIGNAL_H
+# ifndef __sig_atomic_t_defined
+# define __sig_atomic_t_defined
+__BEGIN_NAMESPACE_STD
+typedef __sig_atomic_t sig_atomic_t;
+__END_NAMESPACE_STD
+# endif
+# undef __need_sig_atomic_t
+#endif
+
+#if defined __need_sigset_t || (defined _SIGNAL_H && defined __USE_POSIX)
+# ifndef __sigset_t_defined
+# define __sigset_t_defined
+typedef __sigset_t sigset_t;
+# endif
+# undef __need_sigset_t
+#endif
+
+#ifdef _SIGNAL_H
+
+#include <bits/types.h>
+#include <bits/signum.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. */
+#ifdef __USE_UNIX98
+# define SIG_HOLD ((__sighandler_t) 2) /* Add signal to hold mask. */
+#endif
+/* Biggest signal number + 1 (including real-time signals). */
+#ifndef _NSIG /* if arch has not defined it in bits/signum.h... */
+# define _NSIG 65
+#endif
+#ifdef __USE_MISC
+# define NSIG _NSIG
+#endif
+/* Real-time signal range */
+#define SIGRTMIN (__libc_current_sigrtmin())
+#define SIGRTMAX (__libc_current_sigrtmax())
+/* These are the hard limits of the kernel. These values should not be
+ used directly at user level. */
+#ifndef __SIGRTMIN /* if arch has not defined it in bits/signum.h... */
+# define __SIGRTMIN 32
+#endif
+#define __SIGRTMAX (_NSIG - 1)
+
+
+#if defined __USE_XOPEN || defined __USE_XOPEN2K
+# ifndef __pid_t_defined
+typedef __pid_t pid_t;
+# define __pid_t_defined
+# endif
+# ifndef __uid_t_defined
+typedef __uid_t uid_t;
+# define __uid_t_defined
+# endif
+#endif /* Unix98 */
+
+
+/* Type of a signal handler. */
+typedef void (*__sighandler_t) (int);
+#if defined __UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL__
+/* The X/Open definition of `signal' specifies the SVID semantic. Use
+ the additional function `sysv_signal' when X/Open compatibility is
+ requested. */
+extern __sighandler_t __sysv_signal (int __sig, __sighandler_t __handler)
+ __THROW;
+# ifdef __USE_GNU
+extern __sighandler_t sysv_signal (int __sig, __sighandler_t __handler)
+ __THROW;
+# endif
+#endif /* __UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL__ */
+
+/* Set the handler for the signal SIG to HANDLER, returning the old
+ handler, or SIG_ERR on error.
+ By default `signal' has the BSD semantic. */
+__BEGIN_NAMESPACE_STD
+#if defined __USE_BSD || !defined __UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL__
+extern __sighandler_t signal (int __sig, __sighandler_t __handler)
+ __THROW;
+libc_hidden_proto(signal)
+#else
+/* Make sure the used `signal' implementation is the SVID version. */
+# ifdef __REDIRECT_NTH
+extern __sighandler_t __REDIRECT_NTH (signal,
+ (int __sig, __sighandler_t __handler),
+ __sysv_signal);
+# else
+# define signal __sysv_signal
+# endif
+#endif
+__END_NAMESPACE_STD
+
+#if defined __USE_XOPEN && defined __UCLIBC_SUSV3_LEGACY__
+/* The X/Open definition of `signal' conflicts with the BSD version.
+ So they defined another function `bsd_signal'. */
+extern __sighandler_t bsd_signal (int __sig, __sighandler_t __handler)
+ __THROW;
+#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. */
+#ifdef __USE_POSIX
+extern int kill (__pid_t __pid, int __sig) __THROW;
+libc_hidden_proto(kill)
+#endif
+
+#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. */
+extern int killpg (__pid_t __pgrp, int __sig) __THROW;
+#endif
+
+__BEGIN_NAMESPACE_STD
+/* Raise signal SIG, i.e., send SIG to yourself. */
+extern int raise (int __sig) __THROW;
+libc_hidden_proto(raise)
+__END_NAMESPACE_STD
+
+#ifdef __USE_SVID
+/* SVID names for the same things. */
+extern __sighandler_t ssignal (int __sig, __sighandler_t __handler)
+ __THROW;
+extern int gsignal (int __sig) __THROW;
+#endif /* Use SVID. */
+
+#ifdef __USE_MISC
+/* Print a message describing the meaning of the given signal number. */
+extern void psignal (int __sig, __const char *__s);
+#endif /* Use misc. */
+
+#ifdef __UCLIBC_SUSV4_LEGACY__
+/* The `sigpause' function has two different interfaces. The original
+ BSD definition defines the argument as a mask of the signal, while
+ the more modern interface in X/Open defines it as the signal
+ number. We go with the BSD version unless the user explicitly
+ selects the X/Open version.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int __sigpause (int __sig_or_mask, int __is_sig);
+libc_hidden_proto(__sigpause)
+
+#ifdef __FAVOR_BSD
+/* Set the mask of blocked signals to MASK,
+ wait for a signal to arrive, and then restore the mask. */
+extern int sigpause (int __mask) __THROW __attribute_deprecated__;
+# define sigpause(mask) __sigpause ((mask), 0)
+#else
+# ifdef __USE_XOPEN
+/* Remove a signal from the signal mask and suspend the process. */
+# define sigpause(sig) __sigpause ((sig), 1)
+# endif
+#endif
+#endif /* __UCLIBC_SUSV4_LEGACY__ */
+
+#ifdef __USE_BSD
+/* None of the following functions should be used anymore. They are here
+ only for compatibility. A single word (`int') is not guaranteed to be
+ enough to hold a complete signal mask and therefore these functions
+ simply do not work in many situations. Use `sigprocmask' instead. */
+
+/* Compute mask for signal SIG. */
+# define sigmask(sig) __sigmask(sig)
+
+/* Block signals in MASK, returning the old mask. */
+extern int sigblock (int __mask) __THROW;
+/* collides with libc_hidden_proto: __attribute_deprecated__; */
+libc_hidden_proto(sigblock)
+
+/* Set the mask of blocked signals to MASK, returning the old mask. */
+extern int sigsetmask (int __mask) __THROW;
+/* collides with libc_hidden_proto: __attribute_deprecated__; */
+libc_hidden_proto(sigsetmask)
+
+/* Return currently selected signal mask. */
+extern int siggetmask (void) __THROW __attribute_deprecated__;
+#endif /* Use BSD. */
+
+
+#ifdef __USE_GNU
+typedef __sighandler_t sighandler_t;
+#endif
+
+/* 4.4 BSD uses the name `sig_t' for this. */
+#ifdef __USE_BSD
+typedef __sighandler_t sig_t;
+#endif
+
+#ifdef __USE_POSIX
+
+# ifdef __USE_POSIX199309
+/* We need `struct timespec' later on. */
+# define __need_timespec
+# include <time.h>
+
+/* Get the `siginfo_t' type plus the needed symbols. */
+# include <bits/siginfo.h>
+# endif
+
+/* Clear all signals from SET. */
+extern int sigemptyset (sigset_t *__set) __THROW __nonnull ((1));
+libc_hidden_proto(sigemptyset)
+
+/* Set all signals in SET. */
+extern int sigfillset (sigset_t *__set) __THROW __nonnull ((1));
+libc_hidden_proto(sigfillset)
+
+/* Add SIGNO to SET. */
+extern int sigaddset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
+libc_hidden_proto(sigaddset)
+
+/* Remove SIGNO from SET. */
+extern int sigdelset (sigset_t *__set, int __signo) __THROW __nonnull ((1));
+libc_hidden_proto(sigdelset)
+
+/* Return 1 if SIGNO is in SET, 0 if not. */
+extern int sigismember (__const sigset_t *__set, int __signo)
+ __THROW __nonnull ((1));
+
+# ifdef __USE_GNU
+/* Return non-empty value is SET is not empty. */
+extern int sigisemptyset (__const sigset_t *__set) __THROW __nonnull ((1));
+
+/* Build new signal set by combining the two inputs set using logical AND. */
+extern int sigandset (sigset_t *__set, __const sigset_t *__left,
+ __const sigset_t *__right) __THROW __nonnull ((1, 2, 3));
+
+/* Build new signal set by combining the two inputs set using logical OR. */
+extern int sigorset (sigset_t *__set, __const sigset_t *__left,
+ __const sigset_t *__right) __THROW __nonnull ((1, 2, 3));
+# endif /* GNU */
+
+/* Get the system-specific definitions of `struct sigaction'
+ and the `SA_*' and `SIG_*'. constants. */
+# include <bits/sigaction.h>
+
+/* Get and/or change the set of blocked signals. */
+extern int sigprocmask (int __how, __const sigset_t *__restrict __set,
+ sigset_t *__restrict __oset) __THROW;
+libc_hidden_proto(sigprocmask)
+
+/* Change the set of blocked signals to SET,
+ wait until a signal arrives, and restore the set of blocked signals.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int sigsuspend (__const sigset_t *__set) __nonnull ((1));
+libc_hidden_proto(sigsuspend)
+
+/* Get and/or set the action for signal SIG. */
+extern int sigaction (int __sig, __const struct sigaction *__restrict __act,
+ struct sigaction *__restrict __oact) __THROW;
+libc_hidden_proto(sigaction)
+
+/* Put in SET all signals that are blocked and waiting to be delivered. */
+extern int sigpending (sigset_t *__set) __THROW __nonnull ((1));
+
+
+/* Select any of pending signals from SET or wait for any to arrive.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int sigwait (__const sigset_t *__restrict __set, int *__restrict __sig)
+ __nonnull ((1, 2));
+
+# if defined __USE_POSIX199309 && defined __UCLIBC_HAS_REALTIME__
+/* Select any of pending signals from SET and place information in INFO.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int sigwaitinfo (__const sigset_t *__restrict __set,
+ siginfo_t *__restrict __info) __nonnull ((1));
+#ifdef _LIBC
+extern __typeof(sigwaitinfo) __sigwaitinfo attribute_hidden;
+#endif
+libc_hidden_proto(sigwaitinfo)
+
+/* Select any of pending signals from SET and place information in INFO.
+ Wait the time specified by TIMEOUT if no signal is pending.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int sigtimedwait (__const sigset_t *__restrict __set,
+ siginfo_t *__restrict __info,
+ __const struct timespec *__restrict __timeout)
+ __nonnull ((1));
+#ifdef _LIBC
+extern __typeof(sigtimedwait) __sigtimedwait attribute_hidden;
+#endif
+libc_hidden_proto(sigtimedwait)
+
+/* Send signal SIG to the process PID. Associate data in VAL with the
+ signal. */
+extern int sigqueue (__pid_t __pid, int __sig, __const union sigval __val)
+ __THROW;
+# endif /* Use POSIX 199306. */
+
+#endif /* Use POSIX. */
+
+#ifdef __USE_BSD
+
+# ifdef __UCLIBC_HAS_SYS_SIGLIST__
+/* Names of the signals. This variable exists only for compatibility.
+ Use `strsignal' instead (see <string.h>). */
+# define _sys_siglist sys_siglist
+extern __const char *__const sys_siglist[_NSIG];
+# endif
+
+/* Structure passed to `sigvec'. */
+struct sigvec
+ {
+ __sighandler_t sv_handler; /* Signal handler. */
+ int sv_mask; /* Mask of signals to be blocked. */
+
+ int sv_flags; /* Flags (see below). */
+# define sv_onstack sv_flags /* 4.2 BSD compatibility. */
+ };
+
+/* Bits in `sv_flags'. */
+# define SV_ONSTACK (1 << 0)/* Take the signal on the signal stack. */
+# define SV_INTERRUPT (1 << 1)/* Do not restart system calls. */
+# define SV_RESETHAND (1 << 2)/* Reset handler to SIG_DFL on receipt. */
+
+
+/* If VEC is non-NULL, set the handler for SIG to the `sv_handler' member
+ of VEC. The signals in `sv_mask' will be blocked while the handler runs.
+ If the SV_RESETHAND bit is set in `sv_flags', the handler for SIG will be
+ reset to SIG_DFL before `sv_handler' is entered. If OVEC is non-NULL,
+ it is filled in with the old information for SIG. */
+extern int sigvec (int __sig, __const struct sigvec *__vec,
+ struct sigvec *__ovec) __THROW;
+
+
+/* Get machine-dependent `struct sigcontext' and signal subcodes. */
+# include <bits/sigcontext.h>
+
+/* Restore the state saved in SCP. */
+extern int sigreturn (struct sigcontext *__scp) __THROW;
+
+#endif /* use BSD. */
+
+
+#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+
+# ifdef __UCLIBC_SUSV4_LEGACY__
+/* If INTERRUPT is nonzero, make signal SIG interrupt system calls
+ (causing them to fail with EINTR); if INTERRUPT is zero, make system
+ calls be restarted after signal SIG. */
+extern int siginterrupt (int __sig, int __interrupt) __THROW;
+# endif
+
+# include <bits/sigstack.h>
+# ifdef __USE_XOPEN
+/* This will define `ucontext_t' and `mcontext_t'. */
+/* SuSv4 obsoleted include/ucontext.h */
+# include <sys/ucontext.h>
+# endif
+
+# if 0
+/* Run signals handlers on the stack specified by SS (if not NULL).
+ If OSS is not NULL, it is filled in with the old signal stack status.
+ This interface is obsolete and on many platform not implemented. */
+extern int sigstack (struct sigstack *__ss, struct sigstack *__oss)
+ __THROW __attribute_deprecated__;
+# endif
+
+/* Alternate signal handler stack interface.
+ This interface should always be preferred over `sigstack'. */
+extern int sigaltstack (__const struct sigaltstack *__restrict __ss,
+ struct sigaltstack *__restrict __oss) __THROW;
+
+#endif /* use BSD or X/Open Unix. */
+
+#if defined __USE_XOPEN_EXTENDED && defined __UCLIBC_HAS_OBSOLETE_BSD_SIGNAL__
+/* Simplified interface for signal management. */
+
+/* Add SIG to the calling process' signal mask. */
+extern int sighold (int __sig) __THROW;
+
+/* Remove SIG from the calling process' signal mask. */
+extern int sigrelse (int __sig) __THROW;
+
+/* Set the disposition of SIG to SIG_IGN. */
+extern int sigignore (int __sig) __THROW;
+
+/* Set the disposition of SIG. */
+extern __sighandler_t sigset (int __sig, __sighandler_t __disp) __THROW;
+#endif
+
+#if defined __UCLIBC_HAS_THREADS__ && (defined __USE_POSIX199506 || defined __USE_UNIX98)
+/* Some of the functions for handling signals in threaded programs must
+ be defined here. */
+# include <bits/pthreadtypes.h>
+# include <bits/sigthread.h>
+#endif
+
+/* 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 (void) __THROW;
+/* Return number of available real-time signal with lowest priority. */
+extern int __libc_current_sigrtmax (void) __THROW;
+
+#endif /* signal.h */
+
+__END_DECLS
+
+#endif /* not signal.h */