Remove now unnecessary loop around CallNamedPipe().

Radu Ilie

src/port/kill.c

@@ -9,7 +9,7 @@
  *	signals that the backend can recognize.
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/port/kill.c,v 1.13 2010/01/02 16:58:13 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/port/kill.c,v 1.14 2010/01/31 17:18:28 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -25,7 +25,6 @@ pgkill(int pid, int sig)
 	BYTE		sigData = sig;
 	BYTE		sigRet = 0;
 	DWORD		bytes;
-	int			pipe_tries;
 
 	/* we allow signal 0 here, but it will be ignored in pg_queue_signal */
 	if (sig >= PG_SIGNAL_COUNT || sig < 0)
@@ -41,23 +40,14 @@ pgkill(int pid, int sig)
 	}
 	snprintf(pipename, sizeof(pipename), "\\\\.\\pipe\\pgsignal_%u", pid);
 
-	/*
-	 * Writing data to the named pipe can fail for transient reasons.
-	 * Therefore, it is useful to retry if it fails.  The maximum number of
-	 * calls to make was empirically determined from a 90-hour notification
-	 * stress test.
-	 */
-	for (pipe_tries = 0; pipe_tries < 3; pipe_tries++)
+	if (CallNamedPipe(pipename, &sigData, 1, &sigRet, 1, &bytes, 1000))
 	{
-		if (CallNamedPipe(pipename, &sigData, 1, &sigRet, 1, &bytes, 1000))
+		if (bytes != 1 || sigRet != sig)
 		{
-			if (bytes != 1 || sigRet != sig)
-			{
-				errno = ESRCH;
-				return -1;
-			}
-			return 0;
+			errno = ESRCH;
+			return -1;
 		}
+		return 0;
 	}
 
 	if (GetLastError() == ERROR_FILE_NOT_FOUND)