-/* Copyright (C) 1991-2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2003, 2004, 2007, 2009 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
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. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
/*
* ISO C99 Standard: 7.14 Signal handling <signal.h>
typedef __pid_t pid_t;
# define __pid_t_defined
# endif
+#endif
+#ifdef __USE_XOPEN
# ifndef __uid_t_defined
typedef __uid_t uid_t;
# define __uid_t_defined
# endif
#endif /* Unix98 */
+#if defined __USE_POSIX199309 && defined __UCLIBC_HAS_REALTIME__
+/* We need `struct timespec' later on. */
+# define __need_timespec
+# include <time.h>
+#endif
+
+#if defined __USE_POSIX199309 || defined __USE_XOPEN_EXTENDED
+/* Get the `siginfo_t' type plus the needed symbols. */
+# include <bits/siginfo.h>
+#endif
+
/* 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
extern int gsignal (int __sig) __THROW;
#endif /* Use SVID. */
-#ifdef __USE_MISC
+/* glibc guards the next two wrong with __USE_XOPEN2K */
+#if defined __USE_MISC || defined __USE_XOPEN2K8
/* Print a message describing the meaning of the given signal number. */
-extern void psignal (int __sig, __const char *__s);
-#endif /* Use misc. */
+extern void psignal (int __sig, const char *__s);
+#endif /* Use misc or POSIX 2008. */
+
+#if 0 /*def __USE_XOPEN2K8*/
+/* Print a message describing the meaning of the given signal information. */
+extern void psiginfo (const siginfo_t *__pinfo, const char *__s);
+#endif /* POSIX 2008. */
#ifdef __UCLIBC_SUSV4_LEGACY__
/* The `sigpause' function has two different interfaces. The original
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)
+/*extern int __sigpause (int __sig_or_mask, int __is_sig);*/
#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)
+/*extern int sigpause (int __mask) __THROW __attribute_deprecated__;
+# define sigpause(mask) __sigpause ((mask), 0)*/
+/* uClibc note: BSD sigpause is available as __bsd_sigpause.
+ * It is intentionally not prototyped */
#else
# ifdef __USE_XOPEN
/* Remove a signal from the signal mask and suspend the process. */
-# define sigpause(sig) __sigpause ((sig), 1)
+extern int sigpause(int __sig);
+/*# define sigpause(sig) __sigpause ((sig), 1)*/
# endif
#endif
#endif /* __UCLIBC_SUSV4_LEGACY__ */
-#ifdef __USE_BSD
+#if 0 /*def __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
# 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)
+extern int sigblock (int __mask) __THROW __attribute_deprecated__;
/* 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)
+extern int sigsetmask (int __mask) __THROW __attribute_deprecated__;
/* Return currently selected signal mask. */
extern int siggetmask (void) __THROW __attribute_deprecated__;
#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(sigdelset)
/* Return 1 if SIGNO is in SET, 0 if not. */
-extern int sigismember (__const sigset_t *__set, int __signo)
+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));
+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));
+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));
+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'
# include <bits/sigaction.h>
/* Get and/or change the set of blocked signals. */
-extern int sigprocmask (int __how, __const sigset_t *__restrict __set,
+extern int sigprocmask (int __how, const sigset_t *__restrict __set,
sigset_t *__restrict __oset) __THROW;
libc_hidden_proto(sigprocmask)
This function is a cancellation point and therefore not marked with
__THROW. */
-extern int sigsuspend (__const sigset_t *__set) __nonnull ((1));
+extern int sigsuspend (const sigset_t *__set) __nonnull ((1));
+#ifdef _LIBC
+extern __typeof(sigsuspend) __sigsuspend_nocancel attribute_hidden;
libc_hidden_proto(sigsuspend)
+#endif
/* Get and/or set the action for signal SIG. */
-extern int sigaction (int __sig, __const struct sigaction *__restrict __act,
+extern int sigaction (int __sig, const struct sigaction *__restrict __act,
struct sigaction *__restrict __oact) __THROW;
#ifdef _LIBC
# if 0 /* this is in headers */
* See sigaction.h
*/
struct old_kernel_sigaction;
-extern int __syscall_sigaction(int, __const struct old_kernel_sigaction *,
+extern int __syscall_sigaction(int, const struct old_kernel_sigaction *,
struct old_kernel_sigaction *) attribute_hidden;
# else /* this is how the function is built */
extern __typeof(sigaction) __syscall_sigaction attribute_hidden;
# endif
+# define __need_size_t
+# include <stddef.h>
/* candidate for attribute_hidden, if NPTL would behave */
-extern int __syscall_rt_sigaction(int, __const struct sigaction *,
+extern int __syscall_rt_sigaction(int, const struct sigaction *,
struct sigaction *, size_t)
# ifndef __UCLIBC_HAS_THREADS_NATIVE__
attribute_hidden
;
extern __typeof(sigaction) __libc_sigaction;
libc_hidden_proto(sigaction)
+
+# ifdef __mips__
+# define _KERNEL_NSIG_WORDS (_NSIG / _MIPS_SZLONG)
+typedef struct {
+ unsigned long sig[_KERNEL_NSIG_WORDS];
+} kernel_sigset_t;
+# define __SYSCALL_SIGSET_T_SIZE (sizeof(kernel_sigset_t))
+# else
+# define __SYSCALL_SIGSET_T_SIZE (_NSIG / 8)
+# endif
#endif
/* Put in SET all signals that are blocked and waiting to be delivered. */
This function is a cancellation point and therefore not marked with
__THROW. */
-extern int sigwait (__const sigset_t *__restrict __set, int *__restrict __sig)
+extern int sigwait (const sigset_t *__restrict __set, int *__restrict __sig)
__nonnull ((1, 2));
# if defined __USE_POSIX199309 && defined __UCLIBC_HAS_REALTIME__
This function is a cancellation point and therefore not marked with
__THROW. */
-extern int sigwaitinfo (__const sigset_t *__restrict __set,
+extern int sigwaitinfo (const sigset_t *__restrict __set,
siginfo_t *__restrict __info) __nonnull ((1));
#ifdef _LIBC
extern __typeof(sigwaitinfo) __sigwaitinfo attribute_hidden;
This function is a cancellation point and therefore not marked with
__THROW. */
-extern int sigtimedwait (__const sigset_t *__restrict __set,
+extern int sigtimedwait (const sigset_t *__restrict __set,
siginfo_t *__restrict __info,
- __const struct timespec *__restrict __timeout)
+ const struct timespec *__restrict __timeout)
__nonnull ((1));
#ifdef _LIBC
-extern __typeof(sigtimedwait) __sigtimedwait attribute_hidden;
+extern __typeof(sigtimedwait) __sigtimedwait_nocancel attribute_hidden;
+libc_hidden_proto(sigtimedwait)
#endif
/* 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)
+extern int sigqueue (__pid_t __pid, int __sig, const union sigval __val)
__THROW;
# endif /* Use POSIX 199306. */
/* 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];
+extern const char *const sys_siglist[_NSIG];
# endif
#ifndef __UCLIBC_STRICT_HEADERS__
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,
+extern int sigvec (int __sig, const struct sigvec *__vec,
struct sigvec *__ovec) __THROW;
#endif
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
+# define __need_size_t
+# include <stddef.h>
# ifdef __UCLIBC_SUSV4_LEGACY__
/* If INTERRUPT is nonzero, make signal SIG interrupt system calls
/* Alternate signal handler stack interface.
This interface should always be preferred over `sigstack'. */
-extern int sigaltstack (__const struct sigaltstack *__restrict __ss,
+extern int sigaltstack (const struct sigaltstack *__restrict __ss,
struct sigaltstack *__restrict __oss) __THROW;
#endif /* use BSD or X/Open Unix. */
/* Return number of available real-time signal with lowest priority. */
extern int __libc_current_sigrtmax (void) __THROW;
+#ifdef _LIBC
+extern sigset_t _sigintr attribute_hidden;
+/* simplified version without parameter checking */
+# include <string.h>
+# undef __sigemptyset
+# define __sigemptyset(ss) (memset(ss, '\0', sizeof(sigset_t)), 0)
+#endif
#endif /* signal.h */
__END_DECLS
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