andreacavalli/xserver-multidpi
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

os: Reduce smart scheduler setup calls

Browse Source 
We can return from WaitForSomething with no clients ready for any number
of reasons.  There's no reason to set up the scheduler timer when this
happens.

Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
This commit is contained in:
Adam Jackson 2009-12-14 14:38:10 -05:00
parent d127075da0
commit f953ae7d8a
1 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
os/WaitFor.c
View File

@ -153,13 +153,17 @@ WaitForSomething(int *pClientsReady)
fd_set clientsWritable;
int curclient;
int selecterr;
int nready;
static int nready;
fd_set devicesReadable;
CARD32 now = 0;
Bool someReady = FALSE;
FD_ZERO(&clientsReadable);
if (nready)
SmartScheduleStopTimer();
nready = 0;
/* We need a while loop here to handle
crashed connections and the screen saver timeout */
while (1)
@ -211,7 +215,6 @@ WaitForSomething(int *pClientsReady)
}
XFD_COPYSET(&AllSockets, &LastSelectMask);
}
SmartScheduleStopTimer ();
BlockHandler((pointer)&wt, (pointer)&LastSelectMask);
if (NewOutputPending)
@ -230,7 +233,6 @@ WaitForSomething(int *pClientsReady)
}
selecterr = GetErrno();
WakeupHandler(i, (pointer)&LastSelectMask);
SmartScheduleStartTimer ();
if (i <= 0) /* An error or timeout occurred */
{
if (dispatchException)
@ -388,6 +390,10 @@ WaitForSomething(int *pClientsReady)
#endif
}
}
if (nready)
SmartScheduleStartTimer();
return nready;
}