强大的LuaJIT FFI - 无忧启动论坛

local ffi = require("ffi")
ffi.cdef[[
int MessageBoxA(void *h, const char *txt, const char *title, int type);
int GetSystemDirectoryA(char *buf, int len);
void * malloc(int n);
void free(void *p);
int ShellExecuteA(void *w, const char *Operation, const char *File, const char *Param, const char *Dir, int nShowCmd);
int GetWindowThreadProcessId(void *hWnd, int *lpdwProcessId);
typedef struct {int hProcess, hThread, dwProcessId, dwThreadId;} PROCESS_INFORMATION;
typedef struct {int cb; void *lpReserved, *lpDesktop, *lpTitle; int dwX, dwY, dwXSize, dwYSize, dwXCountChars, dwYCountChars, dwFillAttribute, dwFlags; uint16_t wShowWindow; uint16_t cbReserved2; uint8_t *lpReserved2; int hStdInput, hStdOutput, hStdError; } STARTUPINFO, *LPSTARTUPINFO;
bool CreateProcessA(const char *lpApplicationName, const char *lpCommandLine, void *lpProcessAttributes, void *lpThreadAttributes, bool bInheritHandles, int dwCreationFlags, void *lpEnvironment, const char *lpCurrentDirectory, STARTUPINFO *lpStartupInfo, PROCESS_INFORMATION *lpProcessInformation);
int OpenProcess(int dwDesiredAccess, bool bInheritHandle, int dwProcessId);
int WaitForSingleObject(int hdl, int ms);
]]
local shlapi = ffi.load("shell32")
local p = ffi.gc(ffi.C.malloc(255), ffi.C.free)
local l = ffi.C.GetSystemDirectoryA(p, 255)
ffi.C.MessageBoxA(nil,p,string.format("%d",l),16)
print (string.format("%d", shlapi.ShellExecuteA(nil, nil, "notepad", nil, nil, 1)))
local si = ffi.new("STARTUPINFO")
local pi = ffi.new("PROCESS_INFORMATION")
si.cb = ffi.sizeof(si)
print (si.cb)
if not ffi.C.CreateProcessA(nil, "notepad d:\\menu.lst", nil, nil, false, 0, nil, nil, si, pi) then
print ("error")
exit (0)
end
-- INFINITE 0xFFFFFFFF
-- WAIT_OBJECT_0 0
-- WAIT_ABANDONED_0 128
-- WAIT_TIMEOUT 258
-- SYNCHRONIZE 0x100000L
local hsync = ffi.C.OpenProcess(0x100000, false, pi.dwProcessId)
print ("wait for PID=" .. pi.dwProcessId .. " end: " .. ffi.C.WaitForSingleObject(hsync, -1))

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