* lib/signal.in.h (raise): New declaration.
* lib/raise.c (raise_nothrow, rpl_raise): New alternate implementation
for native Windows platforms.
* m4/raise.m4: New file.
* m4/signal_h.m4 (gl_SIGNAL_H_DEFAULTS): Initialize GNULIB_RAISE,
HAVE_RAISE, REPLACE_RAISE.
* modules/signal (Makefile.am): Substitute GNULIB_RAISE, HAVE_RAISE,
REPLACE_RAISE.
* modules/raise (Status, Notice): Remove fields.
(Files): Add m4/raise.m4.
(Depends-on): Add signal, msvc-inval.
(configure.ac): Use the common idioms.
(Maintainer): Add me.
* tests/test-signal-c++.cc: Check the signature of raise.
* doc/posix-functions/raise.texi: Mention the problem on MSVC.
2011-09-23 Bruno Haible <bruno@clisp.org>
+ raise: Support for MSVC.
+ * lib/signal.in.h (raise): New declaration.
+ * lib/raise.c (raise_nothrow, rpl_raise): New alternate implementation
+ for native Windows platforms.
+ * m4/raise.m4: New file.
+ * m4/signal_h.m4 (gl_SIGNAL_H_DEFAULTS): Initialize GNULIB_RAISE,
+ HAVE_RAISE, REPLACE_RAISE.
+ * modules/signal (Makefile.am): Substitute GNULIB_RAISE, HAVE_RAISE,
+ REPLACE_RAISE.
+ * modules/raise (Status, Notice): Remove fields.
+ (Files): Add m4/raise.m4.
+ (Depends-on): Add signal, msvc-inval.
+ (configure.ac): Use the common idioms.
+ (Maintainer): Add me.
+ * tests/test-signal-c++.cc: Check the signature of raise.
+ * doc/posix-functions/raise.texi: Mention the problem on MSVC.
+
+2011-09-23 Bruno Haible <bruno@clisp.org>
+
pipe2: Fix compilation on pre-C99 compilers.
* lib/pipe2.c (pipe2): Surround verify(...) declaration with braces.
@itemize
@item
This function is missing on some old platforms.
+@item
+This function crashes when invoked with invalid arguments on some platforms:
+MSVC 9.
@end itemize
Portability problems not fixed by Gnulib:
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* written by Jim Meyering */
+/* written by Jim Meyering and Bruno Haible */
#include <config.h>
-#include <sys/types.h>
+/* Specification. */
#include <signal.h>
-#include <unistd.h>
+
+#if HAVE_RAISE
+/* Native Windows platform. */
+
+# include <errno.h>
+
+# include "msvc-inval.h"
+
+# undef raise
+
+# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+static inline int
+raise_nothrow (int sig)
+{
+ int result;
+
+ TRY_MSVC_INVAL
+ {
+ result = raise (sig);
+ }
+ CATCH_MSVC_INVAL
+ {
+ result = -1;
+ errno = EINVAL;
+ }
+ DONE_MSVC_INVAL;
+
+ return result;
+}
+# define raise raise_nothrow
+# endif
+
+int
+rpl_raise (int sig)
+{
+ return raise_nothrow (sig);
+}
+
+#else
+/* An old Unix platform. */
+
+# include <unistd.h>
int
raise (int sig)
{
return kill (getpid (), sig);
}
+
+#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@
--- /dev/null
+# raise.m4 serial 1
+dnl Copyright (C) 2011 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_RAISE],
+[
+ AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([gl_MSVC_INVAL])
+ AC_CHECK_FUNCS([raise])
+ if test $ac_cv_func_raise = no; then
+ HAVE_RAISE=0
+ else
+ if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
+ REPLACE_RAISE=1
+ fi
+ fi
+])
+
+# Prerequisites of lib/raise.c.
+AC_DEFUN([gl_PREREQ_RAISE], [
+ AC_REQUIRE([AC_C_INLINE])
+])
-# signal_h.m4 serial 17
+# signal_h.m4 serial 18
dnl Copyright (C) 2007-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
AC_DEFUN([gl_SIGNAL_H_DEFAULTS],
[
GNULIB_PTHREAD_SIGMASK=0; AC_SUBST([GNULIB_PTHREAD_SIGMASK])
+ GNULIB_RAISE=0; AC_SUBST([GNULIB_RAISE])
GNULIB_SIGNAL_H_SIGPIPE=0; AC_SUBST([GNULIB_SIGNAL_H_SIGPIPE])
GNULIB_SIGPROCMASK=0; AC_SUBST([GNULIB_SIGPROCMASK])
GNULIB_SIGACTION=0; AC_SUBST([GNULIB_SIGACTION])
dnl Assume proper GNU behavior unless another module says otherwise.
HAVE_POSIX_SIGNALBLOCKING=1; AC_SUBST([HAVE_POSIX_SIGNALBLOCKING])
HAVE_PTHREAD_SIGMASK=1; AC_SUBST([HAVE_PTHREAD_SIGMASK])
+ HAVE_RAISE=1; AC_SUBST([HAVE_RAISE])
HAVE_SIGSET_T=1; AC_SUBST([HAVE_SIGSET_T])
HAVE_SIGINFO_T=1; AC_SUBST([HAVE_SIGINFO_T])
HAVE_SIGACTION=1; AC_SUBST([HAVE_SIGACTION])
AC_SUBST([HAVE_TYPE_VOLATILE_SIG_ATOMIC_T])
HAVE_SIGHANDLER_T=1; AC_SUBST([HAVE_SIGHANDLER_T])
REPLACE_PTHREAD_SIGMASK=0; AC_SUBST([REPLACE_PTHREAD_SIGMASK])
+ REPLACE_RAISE=0; AC_SUBST([REPLACE_RAISE])
])
Description:
Send a signal to the executing process.
-Status:
-obsolete
-
-Notice:
-This module is obsolete.
-
Files:
lib/raise.c
+m4/raise.m4
Depends-on:
+signal
+msvc-inval [test $HAVE_RAISE = 0 || test $REPLACE_RAISE = 1]
configure.ac:
-AC_REPLACE_FUNCS(raise)
+gl_FUNC_RAISE
+if test $HAVE_RAISE = 0 || test $REPLACE_RAISE = 1; then
+ AC_LIBOBJ([raise])
+ gl_PREREQ_RAISE
+fi
+gl_SIGNAL_MODULE_INDICATOR([raise])
Makefile.am:
LGPLv2+
Maintainer:
-Jim Meyering
+Jim Meyering, Bruno Haible
-e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
-e 's|@''NEXT_SIGNAL_H''@|$(NEXT_SIGNAL_H)|g' \
-e 's|@''GNULIB_PTHREAD_SIGMASK''@|$(GNULIB_PTHREAD_SIGMASK)|g' \
+ -e 's|@''GNULIB_RAISE''@|$(GNULIB_RAISE)|g' \
-e 's/@''GNULIB_SIGNAL_H_SIGPIPE''@/$(GNULIB_SIGNAL_H_SIGPIPE)/g' \
-e 's/@''GNULIB_SIGPROCMASK''@/$(GNULIB_SIGPROCMASK)/g' \
-e 's/@''GNULIB_SIGACTION''@/$(GNULIB_SIGACTION)/g' \
-e 's|@''HAVE_POSIX_SIGNALBLOCKING''@|$(HAVE_POSIX_SIGNALBLOCKING)|g' \
-e 's|@''HAVE_PTHREAD_SIGMASK''@|$(HAVE_PTHREAD_SIGMASK)|g' \
+ -e 's|@''HAVE_RAISE''@|$(HAVE_RAISE)|g' \
-e 's|@''HAVE_SIGSET_T''@|$(HAVE_SIGSET_T)|g' \
-e 's|@''HAVE_SIGINFO_T''@|$(HAVE_SIGINFO_T)|g' \
-e 's|@''HAVE_SIGACTION''@|$(HAVE_SIGACTION)|g' \
-e 's|@''HAVE_TYPE_VOLATILE_SIG_ATOMIC_T''@|$(HAVE_TYPE_VOLATILE_SIG_ATOMIC_T)|g' \
-e 's|@''HAVE_SIGHANDLER_T''@|$(HAVE_SIGHANDLER_T)|g' \
-e 's|@''REPLACE_PTHREAD_SIGMASK''@|$(REPLACE_PTHREAD_SIGMASK)|g' \
+ -e 's|@''REPLACE_RAISE''@|$(REPLACE_RAISE)|g' \
-e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
-e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
-e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
(int, const sigset_t *, sigset_t *));
#endif
+#if GNULIB_TEST_RAISE
+SIGNATURE_CHECK (GNULIB_NAMESPACE::raise, int, (int));
+#endif
+
#if GNULIB_TEST_SIGPROCMASK
SIGNATURE_CHECK (GNULIB_NAMESPACE::sigismember, int, (const sigset_t *, int));
SIGNATURE_CHECK (GNULIB_NAMESPACE::sigemptyset, int, (sigset_t *));
projects / gnulib.git / commitdiff