🛠️🐜 Antkeeper superbuild with dependencies included
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48 lines
1.1 KiB
48 lines
1.1 KiB
#ifndef AL_THREADS_H
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#define AL_THREADS_H
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#if defined(__GNUC__) && defined(__i386__)
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/* force_align_arg_pointer is required for proper function arguments aligning
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* when SSE code is used. Some systems (Windows, QNX) do not guarantee our
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* thread functions will be properly aligned on the stack, even though GCC may
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* generate code with the assumption that it is. */
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#define FORCE_ALIGN __attribute__((force_align_arg_pointer))
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#else
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#define FORCE_ALIGN
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#endif
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#if defined(__APPLE__)
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#include <dispatch/dispatch.h>
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#elif !defined(_WIN32)
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#include <semaphore.h>
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#endif
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void althrd_setname(const char *name);
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namespace al {
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class semaphore {
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#ifdef _WIN32
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using native_type = void*;
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#elif defined(__APPLE__)
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using native_type = dispatch_semaphore_t;
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#else
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using native_type = sem_t;
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#endif
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native_type mSem;
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public:
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semaphore(unsigned int initial=0);
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semaphore(const semaphore&) = delete;
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~semaphore();
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semaphore& operator=(const semaphore&) = delete;
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void post();
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void wait() noexcept;
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bool try_wait() noexcept;
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};
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} // namespace al
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#endif /* AL_THREADS_H */
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