afb81b8278
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48 lines
1013 B
C++
48 lines
1013 B
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#include <crl/dispatch/crl_dispatch_semaphore.h>
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#ifdef CRL_USE_DISPATCH
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#include <dispatch/dispatch.h>
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#include <exception>
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namespace crl {
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namespace {
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dispatch_semaphore_t Unwrap(void *value) {
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return static_cast<dispatch_semaphore_t>(value);
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}
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} // namespace
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auto semaphore::implementation::create() -> pointer {
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auto result = dispatch_semaphore_create(0);
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if (!result) {
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std::terminate();
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}
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return result;
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}
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void semaphore::implementation::operator()(pointer value) {
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if (value) {
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dispatch_release(Unwrap(value));
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}
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};
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void semaphore::acquire() {
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dispatch_semaphore_wait(Unwrap(_handle.get()), DISPATCH_TIME_FOREVER);
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}
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void semaphore::release() {
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dispatch_semaphore_signal(Unwrap(_handle.get()));
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}
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} // namespace crl
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#endif // CRL_USE_DISPATCH
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