# name       : remove_fcntl_excessive_calls.patch
# introduced : 12
# maintainer : Oleg
#
#!!! notice !!!
# Any small change to this file in the main branch
# should be done or reviewed by the maintainer!
diff -ruN a/patch_info/remove_fcntl_excessive_calls.info b/patch_info/remove_fcntl_excessive_calls.info
--- a/patch_info/remove_fcntl_excessive_calls.info	1970-01-01 03:00:00.000000000 +0300
+++ b/patch_info/remove_fcntl_excessive_calls.info	2010-07-22 21:42:08.560424001 +0400
@@ -0,0 +1,6 @@
+File=remove_fcntl_excessive_calls.patch
+Name=remove fcntl excessive calls
+Version=1.0
+Author=This is a port of the official fix.
+License=GPL
+Comment=
diff -ruN a/sql/net_serv.cc b/sql/net_serv.cc
--- a/sql/net_serv.cc	2010-06-03 19:50:27.000000000 +0400
+++ b/sql/net_serv.cc	2010-07-22 21:40:30.680424001 +0400
@@ -133,7 +133,7 @@
   if (vio != 0)					/* If real connection */
   {
     net->fd  = vio_fd(vio);			/* For perl DBI/DBD */
-#if defined(MYSQL_SERVER) && !defined(__WIN__)
+#if defined(MYSQL_SERVER) && !defined(__WIN__) && !defined(NO_ALARM)
     if (!(test_flags & TEST_BLOCKING))
     {
       my_bool old_mode;
@@ -642,7 +642,7 @@
     if ((long) (length= vio_write(net->vio,pos,(size_t) (end-pos))) <= 0)
     {
       my_bool interrupted = vio_should_retry(net->vio);
-#if !defined(__WIN__)
+#if !defined(NO_ALARM) && !defined(__WIN__)
       if ((interrupted || length == 0) && !thr_alarm_in_use(&alarmed))
       {
         if (!thr_alarm(&alarmed, net->write_timeout, &alarm_buff))
@@ -680,7 +680,7 @@
 		  my_progname);
 #endif /* EXTRA_DEBUG */
       }
-#if defined(THREAD_SAFE_CLIENT) && !defined(MYSQL_SERVER)
+#if defined(THREAD_SAFE_CLIENT) && defined(NO_ALARM)
       if (vio_errno(net->vio) == SOCKET_EINTR)
       {
 	DBUG_PRINT("warning",("Interrupted write. Retrying..."));
@@ -698,7 +698,7 @@
     pos+=length;
     update_statistics(thd_increment_bytes_sent(length));
   }
-#ifndef __WIN__
+#if !defined(NO_ALARM) && !defined(__WIN__)
  end:
 #endif
 #ifdef HAVE_COMPRESS
@@ -830,6 +830,7 @@
     thr_alarm(&alarmed,net->read_timeout,&alarm_buff);
 #else
   /* Read timeout is set in my_net_set_read_timeout */
+  DBUG_ASSERT(net_blocking);
 #endif /* NO_ALARM */
 
     pos = net->buff + net->where_b;		/* net->packet -4 */
@@ -844,7 +845,7 @@
 
 	  DBUG_PRINT("info",("vio_read returned %ld  errno: %d",
 			     (long) length, vio_errno(net->vio)));
-#if !defined(__WIN__) || defined(MYSQL_SERVER)
+#if !defined(NO_ALARM) && (!defined(__WIN__) || defined(MYSQL_SERVER))
 	  /*
 	    We got an error that there was no data on the socket. We now set up
 	    an alarm to not 'read forever', change the socket to non blocking
@@ -891,7 +892,7 @@
 		    my_progname,vio_errno(net->vio));
 #endif /* EXTRA_DEBUG */
 	  }
-#if defined(THREAD_SAFE_CLIENT) && !defined(MYSQL_SERVER)
+#if defined(THREAD_SAFE_CLIENT) && defined(NO_ALARM)
 	  if (vio_errno(net->vio) == SOCKET_EINTR)
 	  {
 	    DBUG_PRINT("warning",("Interrupted read. Retrying..."));