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[client] common: added spin timeout to framebuffer wait

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This commit is contained in:
Geoffrey McRae 2020-10-30 03:27:28 +11:00
parent c8f740c34e
commit 6799d518a5
1 changed files with 6 additions and 1 deletions
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7
common/src/framebuffer.c
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@ -39,9 +39,14 @@ const size_t FrameBufferStructSize = sizeof(FrameBuffer);
void framebuffer_wait(const FrameBuffer * frame, size_t size) void framebuffer_wait(const FrameBuffer * frame, size_t size)
{ {
while(atomic_load_explicit(&frame->wp, memory_order_acquire) < size) { while(atomic_load_explicit(&frame->wp, memory_order_acquire) < size)
{
int spinCount = 0;
while(frame->wp < size) while(frame->wp < size)
{ {
if (++spinCount == FB_SPIN_LIMIT)
return;
usleep(1);
} }
} }
} }