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#pragma once
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
#ifdef __cplusplus
}
#endif // __cplusplus
#include "macros_and_utils.h"
#include "uniquekey.h"
// #################################################################################################
class Lane; // forward
/*
* Lane cancellation request modes
*/
enum class CancelRequest
{
None, // no pending cancel request
Soft, // user wants the lane to cancel itself manually on cancel_test()
Hard // user wants the lane to be interrupted (meaning code won't return from those functions) from inside linda:send/receive calls
};
enum class CancelResult
{
Timeout,
Cancelled
};
enum class CancelOp
{
Invalid = -2,
Hard = -1,
Soft = 0,
MaskCall = LUA_MASKCALL,
MaskRet = LUA_MASKRET,
MaskLine = LUA_MASKLINE,
MaskCount = LUA_MASKCOUNT,
};
// crc64/we of string "CANCEL_ERROR" generated at http://www.nitrxgen.net/hashgen/
static constexpr UniqueKey CANCEL_ERROR{ 0xE97D41626CC97577ull, "lanes.cancel_error" }; // 'raise_cancel_error' sentinel
[[nodiscard]] CancelOp which_cancel_op(char const* op_string_);
[[nodiscard]] CancelResult thread_cancel(Lane* lane_, CancelOp op_, int hook_count_, lua_Duration secs_, bool wake_lindas_);
[[noreturn]] static inline void raise_cancel_error(lua_State* L)
{
STACK_GROW(L, 1);
CANCEL_ERROR.pushKey(L); // special error value
raise_lua_error(L); // doesn't return
}
// #################################################################################################
// #################################################################################################
LUAG_FUNC(cancel_test);
LUAG_FUNC(thread_cancel);
// #################################################################################################
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