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prevent lockups on exit

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This commit is contained in:
dborth 2009-07-09 17:52:35 +00:00
parent 3aa5f2c9e2
commit dbe234c052
1 changed files with 25 additions and 4 deletions
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29
source/ngc/menu.cpp
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@ -299,6 +299,8 @@ 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)
{
@ -361,7 +363,17 @@ 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;
@ -377,7 +389,15 @@ 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)
{
@ -410,6 +430,7 @@ static void * ProgressThread (void *arg)
LWP_SuspendThread (progressthread);
ProgressWindow(progressTitle, progressMsg);
usleep(THREAD_SLEEP);
}
return NULL;
}
@ -452,7 +473,7 @@ CancelAction()
void
ShowProgress (const char *msg, int done, int total)
{
if(!mainWindow)
if(!mainWindow || ExitRequested || ShutdownRequested)
return;
if(total < (256*1024))
@ -483,7 +504,7 @@ ShowProgress (const char *msg, int done, int total)
void
ShowAction (const char *msg)
{
if(!mainWindow)
if(!mainWindow || ExitRequested || ShutdownRequested)
return;
if(showProgress != 0)