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Fix race condition during PC detection

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This commit is contained in:
Cameron Gutman
2020-12-06 00:56:16 -06:00
parent f3635a515c
commit 65293dab30
1 changed files with 5 additions and 2 deletions
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Limelight/ViewControllers/MainFrameViewController.m
+5 -2
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@@ -1145,14 +1145,17 @@ static NSMutableSet* hostList;
} }
- (void) updateAllHosts:(NSArray *)hosts { - (void) updateAllHosts:(NSArray *)hosts {
// We must copy the array here because it could be modified
// before our main thread dispatch happens.
NSArray* hostsCopy = [NSArray arrayWithArray:hosts];
dispatch_async(dispatch_get_main_queue(), ^{ dispatch_async(dispatch_get_main_queue(), ^{
Log(LOG_D, @"New host list:"); Log(LOG_D, @"New host list:");
for (TemporaryHost* host in hosts) { for (TemporaryHost* host in hostsCopy) {
Log(LOG_D, @"Host: \n{\n\t name:%@ \n\t address:%@ \n\t localAddress:%@ \n\t externalAddress:%@ \n\t ipv6Address:%@ \n\t uuid:%@ \n\t mac:%@ \n\t pairState:%d \n\t online:%d \n\t activeAddress:%@ \n}", host.name, host.address, host.localAddress, host.externalAddress, host.ipv6Address, host.uuid, host.mac, host.pairState, host.state, host.activeAddress); Log(LOG_D, @"Host: \n{\n\t name:%@ \n\t address:%@ \n\t localAddress:%@ \n\t externalAddress:%@ \n\t ipv6Address:%@ \n\t uuid:%@ \n\t mac:%@ \n\t pairState:%d \n\t online:%d \n\t activeAddress:%@ \n}", host.name, host.address, host.localAddress, host.externalAddress, host.ipv6Address, host.uuid, host.mac, host.pairState, host.state, host.activeAddress);
} }
@synchronized(hostList) { @synchronized(hostList) {
[hostList removeAllObjects]; [hostList removeAllObjects];
[hostList addObjectsFromArray:hosts]; [hostList addObjectsFromArray:hostsCopy];
} }
[self updateHosts]; [self updateHosts];
}); });