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-rw-r--r--winsup/cygwin/cygserver_msg.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/winsup/cygwin/cygserver_msg.h b/winsup/cygwin/cygserver_msg.h
index 7fbb12cab..37616bb1d 100644
--- a/winsup/cygwin/cygserver_msg.h
+++ b/winsup/cygwin/cygserver_msg.h
@@ -1,6 +1,6 @@
/* cygserver_msg.h: Single unix specification IPC interface for Cygwin.
- Copyright 2003 Red Hat, Inc.
+ Copyright 2003, 2008 Red Hat, Inc.
This file is part of Cygwin.
@@ -75,7 +75,7 @@ public:
client_request_msg (int, const void *, size_t, int); // msgsnd
#endif
- int retval () const { return _parameters.out.ret; }
+ int retval () const { return msglen () ? _parameters.out.ret : -1; }
ssize_t rcvval () const { return _parameters.out.rcv; }
};