X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=lib%2Fsignal.in.h;h=a531487e355f42db44af7d062d0564b9a09ff265;hb=931b01b091932a1f796c23379ea32abb68bd5895;hp=7a6d6ee8566881a0fda29a3890460c05518facf4;hpb=7be93f2d05131d061bd4790ae33c8d50f50010d7;p=platform%2Fupstream%2Fm4.git diff --git a/lib/signal.in.h b/lib/signal.in.h index 7a6d6ee..a531487 100644 --- a/lib/signal.in.h +++ b/lib/signal.in.h @@ -1,6 +1,6 @@ /* A GNU-like . - Copyright (C) 2006-2011 Free Software Foundation, Inc. + Copyright (C) 2006-2013 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,21 +20,49 @@ #endif @PRAGMA_COLUMNS@ -#if defined __need_sig_atomic_t || defined __need_sigset_t -/* Special invocation convention inside glibc header files. */ +#if defined __need_sig_atomic_t || defined __need_sigset_t || defined _GL_ALREADY_INCLUDING_SIGNAL_H || (defined _SIGNAL_H && !defined __SIZEOF_PTHREAD_MUTEX_T) +/* Special invocation convention: + - Inside glibc header files. + - On glibc systems we have a sequence of nested includes + -> -> . + In this situation, the functions are not yet declared, therefore we cannot + provide the C++ aliases. + - On glibc systems with GCC 4.3 we have a sequence of nested includes + -> -> -> . + In this situation, some of the functions are not yet declared, therefore + we cannot provide the C++ aliases. */ # @INCLUDE_NEXT@ @NEXT_SIGNAL_H@ #else /* Normal invocation convention. */ -#ifndef _GL_SIGNAL_H +#ifndef _@GUARD_PREFIX@_SIGNAL_H + +#define _GL_ALREADY_INCLUDING_SIGNAL_H + +/* Define pid_t, uid_t. + Also, mingw defines sigset_t not in , but in . + On Solaris 10, includes , which eventually includes + us; so include now, before the second inclusion guard. */ +#include /* The include_next requires a split double-inclusion guard. */ #@INCLUDE_NEXT@ @NEXT_SIGNAL_H@ -#ifndef _GL_SIGNAL_H -#define _GL_SIGNAL_H +#undef _GL_ALREADY_INCLUDING_SIGNAL_H + +#ifndef _@GUARD_PREFIX@_SIGNAL_H +#define _@GUARD_PREFIX@_SIGNAL_H + +/* Mac OS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6 declare + pthread_sigmask in , not in . + But avoid namespace pollution on glibc systems.*/ +#if (@GNULIB_PTHREAD_SIGMASK@ || defined GNULIB_POSIXCHECK) \ + && ((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __OpenBSD__ || defined __osf__ || defined __sun) \ + && ! defined __GLIBC__ +# include +#endif /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ @@ -42,10 +70,6 @@ /* The definition of _GL_WARN_ON_USE is copied here. */ -/* Define pid_t, uid_t. - Also, mingw defines sigset_t not in , but in . */ -#include - /* On AIX, sig_atomic_t already includes volatile. C99 requires that 'volatile sig_atomic_t' ignore the extra modifier, but C89 did not. Hence, redefine this to a non-volatile type as needed. */ @@ -66,6 +90,20 @@ typedef unsigned int sigset_t; # endif #endif +/* Define sighandler_t, the type of signal handlers. A GNU extension. */ +#if !@HAVE_SIGHANDLER_T@ +# ifdef __cplusplus +extern "C" { +# endif +# if !GNULIB_defined_sighandler_t +typedef void (*sighandler_t) (int); +# define GNULIB_defined_sighandler_t 1 +# endif +# ifdef __cplusplus +} +# endif +#endif + #if @GNULIB_SIGNAL_H_SIGPIPE@ # ifndef SIGPIPE @@ -86,9 +124,64 @@ typedef unsigned int sigset_t; #endif +#if @GNULIB_PTHREAD_SIGMASK@ +# if @REPLACE_PTHREAD_SIGMASK@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef pthread_sigmask +# define pthread_sigmask rpl_pthread_sigmask +# endif +_GL_FUNCDECL_RPL (pthread_sigmask, int, + (int how, const sigset_t *new_mask, sigset_t *old_mask)); +_GL_CXXALIAS_RPL (pthread_sigmask, int, + (int how, const sigset_t *new_mask, sigset_t *old_mask)); +# else +# if !@HAVE_PTHREAD_SIGMASK@ +_GL_FUNCDECL_SYS (pthread_sigmask, int, + (int how, const sigset_t *new_mask, sigset_t *old_mask)); +# endif +_GL_CXXALIAS_SYS (pthread_sigmask, int, + (int how, const sigset_t *new_mask, sigset_t *old_mask)); +# endif +_GL_CXXALIASWARN (pthread_sigmask); +#elif defined GNULIB_POSIXCHECK +# undef pthread_sigmask +# if HAVE_RAW_DECL_PTHREAD_SIGMASK +_GL_WARN_ON_USE (pthread_sigmask, "pthread_sigmask is not portable - " + "use gnulib module pthread_sigmask for portability"); +# endif +#endif + + +#if @GNULIB_RAISE@ +# if @REPLACE_RAISE@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef raise +# define raise rpl_raise +# endif +_GL_FUNCDECL_RPL (raise, int, (int sig)); +_GL_CXXALIAS_RPL (raise, int, (int sig)); +# else +# if !@HAVE_RAISE@ +_GL_FUNCDECL_SYS (raise, int, (int sig)); +# endif +_GL_CXXALIAS_SYS (raise, int, (int sig)); +# endif +_GL_CXXALIASWARN (raise); +#elif defined GNULIB_POSIXCHECK +# undef raise +/* Assume raise is always declared. */ +_GL_WARN_ON_USE (raise, "raise can crash on native Windows - " + "use gnulib module raise for portability"); +#endif + + #if @GNULIB_SIGPROCMASK@ # if !@HAVE_POSIX_SIGNALBLOCKING@ +# ifndef GNULIB_defined_signal_blocking +# define GNULIB_defined_signal_blocking 1 +# endif + /* Maximum signal number + 1. */ # ifndef NSIG # define NSIG 32 @@ -102,9 +195,23 @@ typedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1]; # endif +/* When also using extern inline, suppress the use of static inline in + standard headers of problematic Apple configurations, as Libc at + least through Libc-825.26 (2013-04-09) mishandles it; see, e.g., + . + Perhaps Apple will fix this some day. */ +#if (defined _GL_EXTERN_INLINE_IN_USE && defined __APPLE__ \ + && (defined __i386__ || defined __x86_64__)) +# undef sigaddset +# undef sigdelset +# undef sigemptyset +# undef sigfillset +# undef sigismember +#endif + /* Test whether a given signal is contained in a signal set. */ # if @HAVE_POSIX_SIGNALBLOCKING@ -/* This function is defined as a macro on MacOS X. */ +/* This function is defined as a macro on Mac OS X. */ # if defined __cplusplus && defined GNULIB_NAMESPACE # undef sigismember # endif @@ -117,7 +224,7 @@ _GL_CXXALIASWARN (sigismember); /* Initialize a signal set to the empty set. */ # if @HAVE_POSIX_SIGNALBLOCKING@ -/* This function is defined as a macro on MacOS X. */ +/* This function is defined as a macro on Mac OS X. */ # if defined __cplusplus && defined GNULIB_NAMESPACE # undef sigemptyset # endif @@ -129,7 +236,7 @@ _GL_CXXALIASWARN (sigemptyset); /* Add a signal to a signal set. */ # if @HAVE_POSIX_SIGNALBLOCKING@ -/* This function is defined as a macro on MacOS X. */ +/* This function is defined as a macro on Mac OS X. */ # if defined __cplusplus && defined GNULIB_NAMESPACE # undef sigaddset # endif @@ -142,7 +249,7 @@ _GL_CXXALIASWARN (sigaddset); /* Remove a signal from a signal set. */ # if @HAVE_POSIX_SIGNALBLOCKING@ -/* This function is defined as a macro on MacOS X. */ +/* This function is defined as a macro on Mac OS X. */ # if defined __cplusplus && defined GNULIB_NAMESPACE # undef sigdelset # endif @@ -155,7 +262,7 @@ _GL_CXXALIASWARN (sigdelset); /* Fill a signal set with all possible signals. */ # if @HAVE_POSIX_SIGNALBLOCKING@ -/* This function is defined as a macro on MacOS X. */ +/* This function is defined as a macro on Mac OS X. */ # if defined __cplusplus && defined GNULIB_NAMESPACE # undef sigfillset # endif @@ -214,18 +321,10 @@ _GL_CXXALIAS_SYS (signal, _gl_function_taking_int_returning_void_t, # endif _GL_CXXALIASWARN (signal); -/* Raise signal SIG. */ # if !@HAVE_POSIX_SIGNALBLOCKING@ && GNULIB_defined_SIGPIPE -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# undef raise -# define raise rpl_raise -# endif -_GL_FUNCDECL_RPL (raise, int, (int sig)); -_GL_CXXALIAS_RPL (raise, int, (int sig)); -# else -_GL_CXXALIAS_SYS (raise, int, (int sig)); +/* Raise signal SIGPIPE. */ +_GL_EXTERN_C int _gl_raise_SIGPIPE (void); # endif -_GL_CXXALIASWARN (raise); #elif defined GNULIB_POSIXCHECK # undef sigaddset @@ -357,6 +456,6 @@ _GL_WARN_ON_USE (sigaction, "sigaction is unportable - " #endif -#endif /* _GL_SIGNAL_H */ -#endif /* _GL_SIGNAL_H */ +#endif /* _@GUARD_PREFIX@_SIGNAL_H */ +#endif /* _@GUARD_PREFIX@_SIGNAL_H */ #endif