[project @ 1998-12-02 13:17:09 by simonm]

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

diff --git a/ghc/lib/misc/cbits/listenSocket.c b/ghc/lib/misc/cbits/listenSocket.c
index 38d4e6b..a6ed931 100644 (file)
--- a/ghc/lib/misc/cbits/listenSocket.c
+++ b/ghc/lib/misc/cbits/listenSocket.c
@@ -8,8 +8,9 @@
 #endif
 
 #define NON_POSIX_SOURCE
-#include "rtsdefs.h"
+#include "Rts.h"
 #include "ghcSockets.h"
+#include "stgio.h"
 
 StgInt
 listenSocket(I_ sockfd, I_ backlog)
@@ -19,7 +20,23 @@ listenSocket(I_ sockfd, I_ backlog)
     while ((rc = listen((int) sockfd, (int) backlog)) < 0) {
       if (errno != EINTR) {
          cvtErrno();
-         stdErrno();
+         switch (ghc_errno) {
+         default:
+             stdErrno();
+             break;
+         case GHC_EBADF:
+                     ghc_errtype = ERR_INVALIDARGUMENT;
+              ghc_errstr  = "Not a valid descriptor";
+             break;
+         case GHC_ENOTSOCK:
+             ghc_errtype = ERR_INVALIDARGUMENT;
+             ghc_errstr  = "Descriptor not a socket";
+             break;
+         case GHC_EOPNOTSUPP:
+             ghc_errtype = ERR_INVALIDARGUMENT;
+             ghc_errstr  = "Socket not of type that supports listen";
+             break;
+         }
          return -1;
       }
     }