diff --git a/src/include/os/Linux/osiSock.h b/src/include/os/Linux/osiSock.h
index abc1f2187..a86212092 100644
--- a/src/include/os/Linux/osiSock.h
+++ b/src/include/os/Linux/osiSock.h
@@ -36,12 +36,7 @@ extern "C" {
 #include <net/if.h>
 #include <netdb.h>
 #include <unistd.h> /* close() and others */
- 
-/*
- * as far as I can tell there is no header file for these
- */
-int gethostname(char *name, int namelen);
-int sethostname(char *name, int namelen);
+
 
 #ifdef __cplusplus
 }
@@ -55,5 +50,19 @@ typedef int                     SOCKET;
 
 #define FD_IN_FDSET(FD) ((FD)<FD_SETSIZE)
 
+#define SOCK_EWOULDBLOCK EWOULDBLOCK
+#define SOCK_ENOBUFS ENOBUFS
+#define SOCK_ECONNRESET ECONNRESET
+#define SOCK_ETIMEDOUT ETIMEDOUT
+#define SOCK_EADDRINUSE EADDRINUSE
+#define SOCK_ECONNREFUSED ECONNREFUSED
+#define SOCK_ECONNABORTED ECONNABORTED
+#define SOCK_EINPROGRESS EINPROGRESS
+#define SOCK_EISCONN EISCONN
+#define SOCK_EALREADY EALREADY
+#define SOCK_EINVAL EINVAL
+#define SOCK_EINTR EINTR
+#define SOCK_EPIPE EPIPE
+
 #endif /*osiSockH*/
 
diff --git a/src/libCom/osi/os/Linux/osdSock.h b/src/libCom/osi/os/Linux/osdSock.h
index abc1f2187..a86212092 100644
--- a/src/libCom/osi/os/Linux/osdSock.h
+++ b/src/libCom/osi/os/Linux/osdSock.h
@@ -36,12 +36,7 @@ extern "C" {
 #include <net/if.h>
 #include <netdb.h>
 #include <unistd.h> /* close() and others */
- 
-/*
- * as far as I can tell there is no header file for these
- */
-int gethostname(char *name, int namelen);
-int sethostname(char *name, int namelen);
+
 
 #ifdef __cplusplus
 }
@@ -55,5 +50,19 @@ typedef int                     SOCKET;
 
 #define FD_IN_FDSET(FD) ((FD)<FD_SETSIZE)
 
+#define SOCK_EWOULDBLOCK EWOULDBLOCK
+#define SOCK_ENOBUFS ENOBUFS
+#define SOCK_ECONNRESET ECONNRESET
+#define SOCK_ETIMEDOUT ETIMEDOUT
+#define SOCK_EADDRINUSE EADDRINUSE
+#define SOCK_ECONNREFUSED ECONNREFUSED
+#define SOCK_ECONNABORTED ECONNABORTED
+#define SOCK_EINPROGRESS EINPROGRESS
+#define SOCK_EISCONN EISCONN
+#define SOCK_EALREADY EALREADY
+#define SOCK_EINVAL EINVAL
+#define SOCK_EINTR EINTR
+#define SOCK_EPIPE EPIPE
+
 #endif /*osiSockH*/