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72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
/*
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libco.win (2008-01-28)
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authors: Nach, byuu
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license: public domain
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*/
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#define LIBCO_C
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#include <libco.h>
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#define WINVER 0x0400
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#define _WIN32_WINNT 0x0400
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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static thread_local cothread_t co_active_ = 0;
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static void __stdcall co_thunk(void *coentry)
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{
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((void (*)(void))coentry)();
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}
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cothread_t co_active(void)
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{
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if(!co_active_)
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{
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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ConvertThreadToFiberEx(0, FIBER_FLAG_FLOAT_SWITCH);
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#else
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ConvertThreadToFiber(0);
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#endif
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co_active_ = GetCurrentFiber();
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}
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return co_active_;
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}
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cothread_t co_create(unsigned int heapsize, void (*coentry)(void))
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{
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if(!co_active_)
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{
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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ConvertThreadToFiberEx(0, FIBER_FLAG_FLOAT_SWITCH);
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#else
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ConvertThreadToFiber(0);
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#endif
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co_active_ = GetCurrentFiber();
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}
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#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
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return (cothread_t)CreateFiberEx(heapsize, heapsize, FIBER_FLAG_FLOAT_SWITCH, co_thunk, (void*)coentry);
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#else
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return (cothread_t)CreateFiber(heapsize, co_thunk, (void*)coentry);
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#endif
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}
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void co_delete(cothread_t cothread)
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{
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DeleteFiber(cothread);
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}
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void co_switch(cothread_t cothread)
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{
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co_active_ = cothread;
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SwitchToFiber(cothread);
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}
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#ifdef __cplusplus
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}
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#endif
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