Another attempt at stopping SIGPIPEs killing our agents.

include/connio.h

@@ -174,7 +174,7 @@ typedef struct {
 #define CONN_TCP_WRITE(c, b, l, r) \
         { \
             do { \
-                (r) = IPsend((c)->socket, b, l, 0); \
+                (r) = IPsend((c)->socket, b, l, MSG_NOSIGNAL); \
                 if ((r) >= 0) { \
                     CONN_TRACE_DATA((c), CONN_TRACE_EVENT_WRITE, (b), (r)); \
                     break; \

include/xplutil.h

@@ -387,7 +387,6 @@ void XplDelayNanosleep(int msec);
 typedef void (*XplShutdownFunc)(int Signal);
 void XplSignalCatcher(XplShutdownFunc ShutdownFunction);
 void XplSignalBlock(void);
-void XplSignalIgnorePipe(void);
 #define XplSignalHandler(handler)								XplSignalCatcher((handler));
 
 #endif

src/libs/connio/connio.c

@@ -180,9 +180,6 @@ ConnStartup(unsigned long TimeOut, BOOL EnableSSL)
         seed[sizeof(seed) - 1] = '\0';
     }
 
-    // Ignore SIGPIPE for now - we don't seem to detect failed 
-    // connections correctly. See bug #9726.
-    XplSignalIgnorePipe();
     XplSignalLocalSemaphore(ConnIO.allocated.sem);
 
     return(TRUE);

src/libs/xpl/mem.c

@@ -89,16 +89,6 @@ void XplSignalBlock(void)
     return;
 }
 
-void XplSignalIgnorePipe(void)
-{
-    struct sigaction act;
-
-    act.sa_handler = SIG_IGN;
-    sigemptyset (&act.sa_mask);
-    act.sa_flags = 0;
-    sigaction (SIGPIPE, &act, NULL);
-}
-
 void XplSignalCatcher(XplShutdownFunc XplShutdownFunction)
 {
     sigset_t signalSet;