int msg_send(fmsg_pack *p, int fdto)
{
if (check_package(p) == -1)
return -1;
//lock fdto
if (lockf(fdto, 1, 0) == -1)
sys_quit("lock failed");
if (write(fdto, p, sizeof(fmsg_pack)) < 0)
sys_quit("error occured while attempted to write :");
//unlock fdto
if (lockf(fdto, 0, 0) == -1)
sys_quit("unlock failed");
return 0;
}
int msg_receive(fmsg_pack *q, int fdself)
{
if (q == NULL)
err_common("bad address");
//lock fdself
if (lockf(fdself, 1, 0) == -1)
sys_quit("lock failed");
if (read(fdself, q, sizeof(fmsg_pack)) < 0)
sys_quit("error occured while attempted to read :");
//unlock fdself
if (lockf(fdself, 0, 0) == -1)
sys_quit("unlock failed");
if (check_package(q))
return -1;
return 0;
}
static void proc_term_func(void *user_data, int status)
{
log_str("-- proc_term_func %d", status);
sys_quit();
}
int
sys_start(int argc, char *argv[])
{
int status;
const char* f;
lua_State *L;
if (argc<2) {
printf("%s: <filename.lua>\n", argv[0]);
return 1;
}
s_init();
log_print("sound> initialized\n");
L = lua_open();
/*luaopen_base(L);*/
luaL_openlibs(L);
luaopen_sys(L);
luaopen_log(L);
luaopen_mat4(L);
luaopen_quat(L);
luaopen_vec3(L);
luaopen_event(L);
luaopen_image(L);
luaopen_render(L);
luaopen_shader(L);
luaopen_sound(L);
luaopen_net(L);
luaopen_util(L);
luaopen_font(L);
luaopen_md2(L);
//luaopen_blender(L);
lua_getglobal(L, "package");
if (LUA_TTABLE != lua_type(L, 1)) {
log_print("lua> 'package' is not a table\n");
return 1;
}
lua_getfield(L, 1, "path");
if (LUA_TSTRING != lua_type(L, 2)) {
log_print("lua> 'package.path' is not a string\n");
lua_pop(L, 1);
return 1;
}
lua_pop(L, 1);
#if defined(__IPHONE__)
f = full_path();
#else
f = ".";
#endif
/* package.path = f .. "/?.lua" */
lua_pushlstring(L, f, strlen(f));
lua_pushliteral(L, "/?.lua");
lua_concat(L, 2);
lua_setfield(L, 1, "path");
lua_bootstrap(L, f);
#if defined(__IPHONE__)
f = full_path_to_file(argv[1]);
#else
f = argv[1];
#endif
log_print("lua> initialized\n");
printf("lua> loading %s\n", f);
if (luaL_loadfile(L,f)==0) {
/* function runme = file_content */
lua_setglobal(L, "runme");
lua_getglobal(L, "runme");
status = lua_pcall(L,0,LUA_MULTRET,0);
assert(0 == report(L, status));
if (lua_gettop(L) > 0) {
status = lua_toboolean(L, -1);
if (!status) {
printf("lua> %s returned false\n", f);
sys_quit();
}
}
log_print("lua> loaded\n");
} else {
printf("lua> unable to load %s\n",f);
report(L, status);
sys_quit();
}
lua_state = L;
/* TODO: Double check this stuff some day when bored. */
return status > 0 ? false : true;
}
void install(const char *path)
{
if (mkfifo(path, 0666) < 0)
sys_quit("make fifo error:");
}