gpsp/libco/fiber.c

59 lines
968 B
C

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