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[client] added missing wait to cursor update thread

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Geoffrey McRae 2017-12-21 01:56:59 +11:00
parent c5cbb948e2
commit c0b2c8e655
1 changed files with 7 additions and 0 deletions
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7
client/main.c
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@ -185,6 +185,13 @@ int cursorThread(void * unused)
while(state.running) while(state.running)
{ {
// poll until we have cursor data
if(!(state.shm->flags & KVMFR_HEADER_FLAG_CURSOR))
{
nsleep(100);
continue;
}
// we must take a copy of the header, both to let the guest advance and to // we must take a copy of the header, both to let the guest advance and to
// prevent the contained arguments being abused to overflow buffers // prevent the contained arguments being abused to overflow buffers
memcpy(&header, (KVMFRHeader *)state.shm, sizeof(struct KVMFRHeader)); memcpy(&header, (KVMFRHeader *)state.shm, sizeof(struct KVMFRHeader));