static int
my_wait( int *status )
{
int i, num_active = 0;
DWORD exitcode, waitcode;
HANDLE active_handles[MAXJOBS];
/* first see if any non-waited-for processes are dead,
* and return if so.
*/
for ( i = 0; i < globs.jobs; i++ )
{
int pid = cmdtab[i].pid;
if ( pid )
{
process_state state
= check_process_exit((HANDLE)pid, status, active_handles, &num_active);
if ( state == process_error )
goto FAILED;
else if ( state == process_finished )
return pid;
}
}
/* if a child exists, wait for it to die */
if ( !num_active )
{
errno = ECHILD;
return -1;
}
waitcode = WaitForMultipleObjects( num_active,
active_handles,
FALSE,
INFINITE );
if ( waitcode != WAIT_FAILED )
{
if ( waitcode >= WAIT_ABANDONED_0
&& waitcode < WAIT_ABANDONED_0 + num_active )
i = waitcode - WAIT_ABANDONED_0;
else
i = waitcode - WAIT_OBJECT_0;
if ( check_process_exit(active_handles[i], status, 0, 0) == process_finished )
return (int)active_handles[i];
}
FAILED:
errno = GetLastError();
return -1;
}
static int
my_wait( int *status )
{
int i, num_active = 0;
DWORD exitcode, waitcode;
HANDLE active_handles[MAXJOBS];
/* first see if any non-waited-for processes are dead,
* and return if so.
*/
for ( i = 0; i < globs.jobs; i++ )
{
int pid = cmdtab[i].pid;
if ( pid )
{
process_state state
= check_process_exit((HANDLE)pid, status, active_handles, &num_active);
if ( state == process_error )
goto FAILED;
else if ( state == process_finished )
return pid;
}
}
/* if a child exists, wait for it to die */
if ( !num_active )
{
errno = ECHILD;
return -1;
}
if ( globs.timeout > 0 )
{
unsigned int alert_wait = 1;
/* with a timeout we wait for a finish or a timeout, we check every second
to see if something timed out */
for (waitcode = WAIT_TIMEOUT; waitcode == WAIT_TIMEOUT; ++alert_wait)
{
waitcode = WaitForMultipleObjects( num_active, active_handles, FALSE, 1*1000 /* 1 second */ );
if ( waitcode == WAIT_TIMEOUT )
{
/* check if any jobs have surpassed the maximum run time. */
for ( i = 0; i < num_active; ++i )
{
double t = running_time(active_handles[i]);
/* periodically (each 5 secs) check and close message boxes
displayed by any of our child processes */
if ((alert_wait % ((unsigned int) 5)) == 0)
close_alert(active_handles[i]);
if ( t > (double)globs.timeout )
{
/* the job may have left an alert dialog around,
try and get rid of it before killing */
close_alert(active_handles[i]);
/* we have a "runaway" job, kill it */
kill_all(0,active_handles[i]);
/* indicate the job "finished" so we query its status below */
waitcode = WAIT_ABANDONED_0+i;
}
}
}
}
}
else
{
/* no timeout, so just wait indefinately for something to finish */
waitcode = WaitForMultipleObjects( num_active, active_handles, FALSE, INFINITE );
}
if ( waitcode != WAIT_FAILED )
{
if ( waitcode >= WAIT_ABANDONED_0
&& waitcode < WAIT_ABANDONED_0 + num_active )
i = waitcode - WAIT_ABANDONED_0;
else
i = waitcode - WAIT_OBJECT_0;
if ( check_process_exit(active_handles[i], status, 0, 0) == process_finished )
return (int)active_handles[i];
}
FAILED:
errno = GetLastError();
return -1;
}