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[client] added clean client restart mechanisim

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Geoffrey McRae 2017-12-13 21:06:48 +11:00
parent a216655582
commit 3bc2506d92
1 changed files with 14 additions and 7 deletions
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19
client/main.c
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@ -146,17 +146,24 @@ int renderThread(void * unused)
struct KVMFRHeader header;
volatile uint32_t * updateCount = &state.shm->updateCount;
ivshmem_kick_irq(state.shm->guestID, 0);
while(state.running)
const struct timespec s =
{
// poll until we have a new frame, or we time out
while(header.updateCount == *updateCount && state.running) {
const struct timespec s = {
.tv_sec = 0,
.tv_nsec = 1000
};
// flag the host that we are starting up this is important so that
// the host wakes up if it is waiting on an interrupt, the host will
// also send us the current mouse shape since we won't know it yet
__sync_or_and_fetch(&state.shm->flags, KVMFR_HEADER_FLAG_RESTART);
while(state.running && (state.shm->flags & KVMFR_HEADER_FLAG_RESTART))
nanosleep(&s, NULL);
while(state.running)
{
// poll until we have a new frame, or we time out
while(header.updateCount == *updateCount && state.running)
nanosleep(&s, NULL);
}
if (!state.running)
break;