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prevent lockups on exit

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This commit is contained in:
dborth 2009-07-09 17:47:28 +00:00
parent 2a62f816d5
commit 631392688f
1 changed files with 24 additions and 4 deletions
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28
source/ngc/menu.cpp
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@ -302,6 +302,8 @@ UpdateGUI (void *arg)
* progress bar showing % completion, or a throbber that only shows that an
* action is in progress.
***************************************************************************/
static int progsleep = 0;
static void
ProgressWindow(char *title, char *msg)
{
@ -364,7 +366,17 @@ ProgressWindow(char *title, char *msg)
promptWindow.Append(&throbberImg);
}
usleep(400000); // wait to see if progress flag changes soon
// wait to see if progress flag changes soon
progsleep = 400000;
while(progsleep > 0)
{
if(!showProgress)
break;
usleep(THREAD_SLEEP);
progsleep -= THREAD_SLEEP;
}
if(!showProgress)
return;
@ -380,7 +392,15 @@ ProgressWindow(char *title, char *msg)
while(showProgress)
{
usleep(20000);
progsleep = 20000;
while(progsleep > 0)
{
if(!showProgress)
break;
usleep(THREAD_SLEEP);
progsleep -= THREAD_SLEEP;
}
if(showProgress == 1)
{
@ -456,7 +476,7 @@ CancelAction()
void
ShowProgress (const char *msg, int done, int total)
{
if(!mainWindow)
if(!mainWindow || ExitRequested || ShutdownRequested)
return;
if(total < (256*1024))
@ -487,7 +507,7 @@ ShowProgress (const char *msg, int done, int total)
void
ShowAction (const char *msg)
{
if(!mainWindow)
if(!mainWindow || ExitRequested || ShutdownRequested)
return;
if(showProgress != 0)