[Assorted-commits] SF.net SVN: assorted: [658] sandbox/trunk/src/c/socketclose.c

[<yan...@us...>]

Revision: 658
          http://assorted.svn.sourceforge.net/assorted/?rev=658&view=rev
Author:   yangzhang
Date:     2008-04-08 20:54:31 -0700 (Tue, 08 Apr 2008)

Log Message:
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Added Paths:
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    sandbox/trunk/src/c/socketclose.c

Added: sandbox/trunk/src/c/socketclose.c
===================================================================
--- sandbox/trunk/src/c/socketclose.c	                        (rev 0)
+++ sandbox/trunk/src/c/socketclose.c	2008-04-09 03:54:31 UTC (rev 658)
@@ -0,0 +1,25 @@
+// Closing a closed socket is an error.
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+
+int
+main()
+{
+  int s = socket(PF_INET, SOCK_STREAM, 0);
+  if (s == 0) {
+    perror("socket() failed");
+    return 1;
+  }
+  if (close(s) != 0) {
+    perror("first close() failed");
+    return 1;
+  }
+  if (close(s) != -1) {
+    perror("second close() succeeded (failure expected)");
+    return 1;
+  }
+  return 0;
+}


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