1 files changed, 43 insertions, 0 deletions
diff --git a/ghc/lib/misc/cbits/shutdownSocket.c b/ghc/lib/misc/cbits/shutdownSocket.c
new file mode 100644
index 0000000000..b378b2d5cb
--- /dev/null
+++ b/ghc/lib/misc/cbits/shutdownSocket.c
@@ -0,0 +1,43 @@
+#if 0
+%
+% (c) The GRASP/AQUA Project, Glasgow University, 1996
+%
+\subsection[shutdownSocket.lc]{Shut down part of full duplex connection}
+
+\begin{code}
+#endif
+
+#define NON_POSIX_SOURCE
+#include "rtsdefs.h"
+#include "ghcSockets.h"
+
+StgInt
+shutdownSocket(I_ sockfd, I_ how)
+{
+    StgInt rc;
+    
+    while ((rc = shutdown((int) sockfd, (int) how)) < 0) {
+      if (errno != EINTR) {
+	  cvtErrno();
+	  switch (ghc_errno) {
+	  default:
+	      stdErrno();
+	      break;
+	  case GHC_EBADF:
+       	      ghc_errtype = ERR_INVALIDARGUMENT;
+              ghc_errstr  = "Not a valid write descriptor";
+	      break;
+	  case GHC_ENOTCONN:
+	      ghc_errtype = ERR_INVALIDARGUMENT;
+	      ghc_errstr  = "Socket not connected";
+	      break;
+	  case GHC_ENOTSOCK:
+	      ghc_errtype = ERR_INVALIDARGUMENT;
+	      ghc_errstr  = "Descriptor is not a socket";
+	      break;
+	  }
+	  return -1;
+      }
+    }
+    return rc;
+}