X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-passfd.c;h=315e6c21baa530fb297df5283a2a2fe6ee26b943;hb=09001dfb3ec39d237f8e248ff347cf1be3e6f0c1;hp=20489348b14d96291f5442264a7c8cac65e53554;hpb=00b9c8e79b4904139d7bb721b5ba175e591dfb34;p=gnulib.git

diff --git a/tests/test-passfd.c b/tests/test-passfd.c
index 20489348b..315e6c21b 100644
--- a/tests/test-passfd.c
+++ b/tests/test-passfd.c
@@ -18,7 +18,9 @@
 
 #include "passfd.h"
 
+#include <errno.h>
 #include <fcntl.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
@@ -32,6 +34,7 @@
 int
 main ()
 {
+#if HAVE_SOCKETPAIR
   int pair[2];
   int ret;
   pid_t pid;
@@ -40,6 +43,12 @@ main ()
   int fd;
   struct stat st;
 
+# if HAVE_DECL_ALARM
+  /* Avoid hanging on failure.  */
+  signal (SIGALRM, SIG_DFL);
+  alarm (5);
+# endif
+
   fdnull = open ("/dev/null", O_RDWR);
   if (fdnull < 0)
     {
@@ -108,4 +117,17 @@ main ()
         }
       return 0;
     }
+#else
+  errno = 0;
+  ASSERT(sendfd (0, 0) == -1);
+  ASSERT(errno == ENOSYS);
+
+  errno = 0;
+  ASSERT(recvfd (0, 0) == -1);
+  ASSERT(errno == ENOSYS);
+
+  fputs ("skipping test: socketpair not supported on this system\n",
+         stderr);
+  return 77;
+#endif
 }