[project @ 1998-02-02 17:27:26 by simonm]

[ghc-hetmet.git] / ghc / lib / misc / cbits / getSockName.c

diff --git a/ghc/lib/misc/cbits/getSockName.c b/ghc/lib/misc/cbits/getSockName.c
new file mode 100644 (file)
index 0000000..987296b
--- /dev/null
+++ b/ghc/lib/misc/cbits/getSockName.c
@@ -0,0 +1,47 @@
+#if 0
+%
+% (c) The GRASP/AQUA Project, Glasgow University, 1996
+%
+\subsection[getSockName.lc]{Return name of process assoc with socket}
+
+\begin{code}
+#endif
+
+#define NON_POSIX_SOURCE
+#include "rtsdefs.h"
+#include "ghcSockets.h"
+
+StgInt
+getSockName(I_ sockfd, A_ peer, A_ namelen)
+{
+    StgInt name;
+    
+    while ((name = getsockname((int) sockfd, (struct sockaddr *) peer, (int *) namelen)) < 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_EFAULT:
+                     ghc_errtype = ERR_INVALIDARGUMENT;
+              ghc_errstr  = "Data not in writeable part of user address space";
+             break;
+         case GHC_ENOBUFS:
+             ghc_errtype = ERR_RESOURCEEXHAUSTED;
+             ghc_errstr  = "Insuffcient resources";
+             break;
+         case GHC_ENOTSOCK:
+             ghc_errtype = ERR_INVALIDARGUMENT;
+             ghc_errstr  = "Descriptor is not a socket";
+             break;
+         }
+         return -1;
+      }
+    }
+    return name;
+}