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authorRichard M. Stallman <rms@gnu.org>2002-08-12 17:27:57 +0000
committerRichard M. Stallman <rms@gnu.org>2002-08-12 17:27:57 +0000
commit557713d896b8cc20686bee10579a4afaac8b274d (patch)
tree5cb0bb99387957e9d3e72c86e587f358c5f2d72d /src/syswait.h
parent1ac5826d934dcdecdd5fb6bc71604bb18231ebff (diff)
Only the include of sys/wait.h tests HAVE_SYS_WAIT_H.
[!VMS] (WCOREDUMP, WEXITSTATUS, WIFEXITED, WIFSTOPPED, WIFSIGNALED) (WSTOPSIG, WTERMSIG): Define each one independently if not defined already.
Diffstat (limited to 'src/syswait.h')
-rw-r--r--src/syswait.h40
1 files changed, 19 insertions, 21 deletions
diff --git a/src/syswait.h b/src/syswait.h
index da5e52c689..f317227b7a 100644
--- a/src/syswait.h
+++ b/src/syswait.h
@@ -27,47 +27,45 @@ Boston, MA 02111-1307, USA. */
#ifndef VMS
-/* Try the approach recommended by autoconf. If this doesn't cause
- trouble anywhere, remove the original code, which is #if'd out
- below. */
+/* This is now really the approach recommended by Autoconf. If this
+ doesn't cause trouble anywhere, remove the original code, which is
+ #if'd out below. */
#if 1
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H /* We have sys/wait.h with POSIXoid definitions. */
-
#include <sys/wait.h>
+#endif /* !HAVE_SYS_WAIT_H */
+
#ifndef WCOREDUMP /* not POSIX */
#define WCOREDUMP(status) ((status) & 0x80)
#endif
-
-#else /* !HAVE_SYS_WAIT_H */
-
-/* Note that sys/wait.h may still be included by stdlib.h or something
- according to XPG. */
-
-#undef WEXITSTATUS
+#ifndef WEXITSTATUS
#define WEXITSTATUS(status) (((status) & 0xff00) >> 8)
-#undef WIFEXITED
+#endif
+#ifndef WIFEXITED
#define WIFEXITED(status) (WTERMSIG(status) == 0)
-#undef WIFSTOPPED
+#endif
+#ifndef WIFSTOPPED
#define WIFSTOPPED(status) (((status) & 0xff) == 0x7f)
-#undef WIFSIGNALED
+#endif
+#ifndef WIFSIGNALED
#define WIFSIGNALED(status) (!WIFSTOPPED(status) && !WIFEXITED(status))
-#undef WSTOPSIG
+#endif
+#ifndef WSTOPSIG
#define WSTOPSIG(status) WEXITSTATUS(status)
-#undef WTERMSIG
+#endif
+#ifndef WTERMSIG
#define WTERMSIG(status) ((status) & 0x7f)
-#undef WCOREDUMP
-#define WCOREDUMP(status) ((status) & 0x80)
-#endif /* HAVE_SYS_WAIT_H */
+#endif
#undef WAITTYPE
#define WAITTYPE int
#undef WRETCODE
#define WRETCODE(status) WEXITSTATUS (status)
-#else /* !1 */
+#else /* 0 */
#ifndef WAITTYPE
@@ -134,7 +132,7 @@ Boston, MA 02111-1307, USA. */
#endif /* not WAIT_USE_INT */
#endif /* no WAITTYPE */
-#endif /* 1 */
+#endif /* 0 */
#else /* VMS */