X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fposix_spawn.m4;h=c3f74949edc6ab2c054077cd85c51e1a56d3f3ec;hb=423d3cac13c30bb0d5f85e5fac6ab1406ed1731a;hp=89e2f7f06477daa9993a4c9a0eeeab1ef05a9a0d;hpb=979260e3a53de91ae4792e57a6bb801a723a4539;p=gnulib.git

diff --git a/m4/posix_spawn.m4 b/m4/posix_spawn.m4
index 89e2f7f06..c3f74949e 100644
--- a/m4/posix_spawn.m4
+++ b/m4/posix_spawn.m4
@@ -1,4 +1,4 @@
-# posix_spawn.m4 serial 5
+# posix_spawn.m4 serial 8
 dnl Copyright (C) 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -13,7 +13,7 @@ AC_DEFUN([gl_POSIX_SPAWN],
 AC_DEFUN([gl_POSIX_SPAWN_BODY],
 [
   AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
-  AC_CHECK_FUNCS_ONCE([posix_spawn])
+  AC_REQUIRE([gl_HAVE_POSIX_SPAWN])
   dnl Assume that when the main function exists, all the others,
   dnl except posix_spawnattr_{get,set}sched*, are available as well.
   dnl AC_CHECK_FUNCS_ONCE([posix_spawnp])
@@ -69,8 +69,6 @@ AC_DEFUN([gl_POSIX_SPAWN_BODY],
         ;;
       *) REPLACE_POSIX_SPAWN=1 ;;
     esac
-  else
-    HAVE_POSIX_SPAWN=0
   fi
 ])
 
@@ -293,7 +291,7 @@ parent_main (void)
   if (fflush (fp) || fclose (fp))
     {
       perror ("cannot prepare data file");
-      return 1;
+      return 2;
     }
 
   /* Avoid reading from our stdin, as it could block.  */
@@ -311,7 +309,7 @@ parent_main (void)
         posix_spawn_file_actions_destroy (&actions);
       errno = err;
       perror ("subprocess failed");
-      return 1;
+      return 3;
     }
   posix_spawn_file_actions_destroy (&actions);
   status = 0;
@@ -320,13 +318,13 @@ parent_main (void)
   if (!WIFEXITED (status))
     {
       fprintf (stderr, "subprocess terminated with unexpected wait status %d\n", status);
-      return 1;
+      return 4;
     }
   exitstatus = WEXITSTATUS (status);
   if (exitstatus != 0)
     {
       fprintf (stderr, "subprocess terminated with unexpected exit status %d\n", exitstatus);
-      return 1;
+      return 5;
     }
   return 0;
 }
@@ -341,7 +339,7 @@ child_main (void)
       && memcmp (buf, "Halle Potta", 11) == 0)
     return 0;
   else
-    return 2;
+    return 8;
 }
 
 static void