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Code Issues Releases Wiki Activity

usbutils allow a short wait for resources to be released

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This commit is contained in:
Kano 2013-05-30 15:44:33 +10:00
parent 5869539e67
commit 3f4b717ac2
1 changed files with 31 additions and 0 deletions
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31
usbutils.c
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@ -2368,12 +2368,14 @@ int _usb_transfer_read(struct cgpu_info *cgpu, uint8_t request_type, uint8_t bRe
void usb_cleanup()
{
struct cgpu_info *cgpu;
int count;
int i;
hotplug_time = 0;
nmsleep(10);
count = 0;
for (i = 0; i < total_devices; i++) {
cgpu = devices[i];
switch (cgpu->drv->drv_id) {
@ -2383,11 +2385,40 @@ void usb_cleanup()
case DRIVER_ICARUS:
case DRIVER_AVALON:
release_cgpu(cgpu);
count++;
break;
default:
break;
}
}
/*
* Must attempt to wait for the resource thread to release coz
* during a restart it won't automatically release them in linux
*/
if (count) {
struct timeval start, now;
cgtime(&start);
while (42) {
nmsleep(50);
mutex_lock(&cgusbres_lock);
if (!res_work_head)
break;
cgtime(&now);
if (tdiff(&now, &start) > 0.366) {
applog(LOG_WARNING,
"usb_cleanup gave up waiting for resource thread");
break;
}
mutex_unlock(&cgusbres_lock);
}
mutex_unlock(&cgusbres_lock);
}
}
void usb_initialise()