2 files changed, 133 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-passfd.c b/gnulib/tests/test-passfd.c
new file mode 100644
index 0000000..315e6c2
--- /dev/null
+++ b/gnulib/tests/test-passfd.c
@@ -0,0 +1,133 @@
+/* Test of passing file descriptors.
+   Copyright (C) 2011 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include "passfd.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include "macros.h"
+
+int
+main ()
+{
+#if HAVE_SOCKETPAIR
+  int pair[2];
+  int ret;
+  pid_t pid;
+  int status;
+  int fdnull;
+  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)
+    {
+      perror ("Could not open /dev/null");
+      return 1;
+    }
+
+  ret = socketpair (AF_UNIX, SOCK_STREAM, 0, pair);
+  if (ret < 0)
+    {
+      perror ("socket pair failed");
+      return 2;
+    }
+
+  pid = fork ();
+  if (pid == -1)
+    {
+      perror ("fork");
+      return 3;
+    }
+  if (pid == 0)
+    {
+      ret = sendfd (pair[1], fdnull);
+      if (ret == -1)
+        {
+          perror ("sendfd");
+          return 64;
+        }
+      return 0;
+    }
+  /* father */
+  else
+    {
+      fd = recvfd (pair[0], 0);
+      if (fd == -1)
+        {
+          perror ("recvfd");
+          return 16;
+        }
+      ret = waitpid (pid, &status, 0);
+      if (ret == -1)
+        {
+          perror ("waitpid");
+          return 17;
+        }
+      ASSERT (ret == pid);
+
+      if (!WIFEXITED (status))
+        {
+          fprintf (stderr, "Child does not normally exit\n");
+          return 65;
+        }
+      ret = WEXITSTATUS (status);
+      if (ret != 0)
+        {
+          fprintf (stderr, "Send fd fail\n");
+          return ret;
+        }
+
+      /* try to stat new fd */
+      ret = fstat (fd, &st);
+      if (ret < 0)
+        {
+          perror ("fstat");
+          return 80;
+        }
+      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
+}