You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
#if defined __need_sig_atomic_t || defined __need_sigset_t
/* Special invocation convention inside glibc header files. */
/* The definition of GL_LINK_WARNING is copied here. */
-/* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. */
+/* Define pid_t, uid_t.
+ Also, mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. */
#include <sys/types.h>
#ifdef __cplusplus
#endif
+#if @GNULIB_SIGNAL_H_SIGPIPE@
+# ifndef SIGPIPE
+/* Define SIGPIPE to a value that does not overlap with other signals. */
+# define SIGPIPE 13
+# define GNULIB_defined_SIGPIPE 1
+/* To actually use SIGPIPE, you also need the gnulib modules 'sigprocmask',
+ 'write', 'stdio'. */
+# endif
+#endif
+
+
#if !@HAVE_POSIX_SIGNALBLOCKING@
/* Maximum signal number + 1. */
handler. */
extern void (*signal (int sig, void (*func) (int))) (int);
+# if GNULIB_defined_SIGPIPE
+
+/* Raise signal SIG. */
+# undef raise
+# define raise rpl_raise
+extern int raise (int sig);
+
+# endif
+
#endif /* !@HAVE_POSIX_SIGNALBLOCKING@ */
+
#if !@HAVE_SIGACTION@
# if !@HAVE_SIGINFO_T@
typedef struct siginfo_t siginfo_t;
# endif /* !@HAVE_SIGINFO_T@ */
- /* Due to autoconf conventions, we can't tell if HAVE_SIGACTION
- means we have the type or means we have the function. We assume
- that all implementations either have both or neither. */
+/* We assume that platforms which lack the sigaction() function also lack
+ the 'struct sigaction' type, and vice versa. */
struct sigaction
{
/* Unsupported flags are not present. */
# define SA_RESETHAND 1
# define SA_NODEFER 2
+# define SA_RESTART 4
extern int sigaction (int, const struct sigaction *restrict,
struct sigaction *restrict);
-#endif /* !@HAVE_SIGACTION@ */
+#elif !@HAVE_STRUCT_SIGACTION_SA_SIGACTION@
+
+# define sa_sigaction sa_handler
+
+#endif /* !@HAVE_SIGACTION@, !@HAVE_STRUCT_SIGACTION_SA_SIGACTION@ */
+
+
+/* Some systems don't have SA_NODEFER. */
+#ifndef SA_NODEFER
+# define SA_NODEFER 0
+#endif
#ifdef __cplusplus