2 * Win32 coroutine initialization code
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25 #include "qemu-common.h"
26 #include "qemu-coroutine-int.h"
33 CoroutineAction action;
36 static __thread CoroutineWin32 leader;
37 static __thread Coroutine *current;
39 CoroutineAction qemu_coroutine_switch(Coroutine *from_, Coroutine *to_,
40 CoroutineAction action)
42 CoroutineWin32 *from = DO_UPCAST(CoroutineWin32, base, from_);
43 CoroutineWin32 *to = DO_UPCAST(CoroutineWin32, base, to_);
48 SwitchToFiber(to->fiber);
52 static void CALLBACK coroutine_trampoline(void *co_)
57 co->entry(co->entry_arg);
58 qemu_coroutine_switch(co, co->caller, COROUTINE_TERMINATE);
62 Coroutine *qemu_coroutine_new(void)
64 const size_t stack_size = 1 << 20;
67 co = g_malloc0(sizeof(*co));
68 co->fiber = CreateFiber(stack_size, coroutine_trampoline, &co->base);
72 void qemu_coroutine_delete(Coroutine *co_)
74 CoroutineWin32 *co = DO_UPCAST(CoroutineWin32, base, co_);
76 DeleteFiber(co->fiber);
80 Coroutine *qemu_coroutine_self(void)
83 current = &leader.base;
84 leader.fiber = ConvertThreadToFiber(NULL);
89 bool qemu_in_coroutine(void)
91 return current && current->caller;