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Support delete a fd event.

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When you call the fd_add, it will return an object with `delete` method.
So you can delete that event if you want.

Signed-off-by: Xiongfei(Alex) Guo <xfguo@credosemi.com>
This commit is contained in:
Xiongfei Guo 2014-06-20 10:31:19 +00:00 • committed by John Crispin
parent 79b56268b4
commit 02ca593347
2 changed files with 44 additions and 3 deletions
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30
lua/uloop.c
View file

@ -172,6 +172,24 @@ static int get_sock_fd(lua_State* L, int idx) {
return fd;
}
static int ul_ufd_delete(lua_State *L)
{
struct lua_uloop_fd *ufd = lua_touserdata(L, 1);
uloop_fd_delete(&ufd->fd);
lua_getglobal(state, "__uloop_cb");
luaL_unref(L, -1, ufd->r);
lua_getglobal(state, "__uloop_fds");
luaL_unref(L, -1, ufd->fd_r);
return 1;
}
static const luaL_Reg ufd_m[] = {
{ "delete", ul_ufd_delete },
{ NULL, NULL }
};
static int ul_ufd_add(lua_State *L)
{
struct lua_uloop_fd *ufd;
@ -205,6 +223,18 @@ static int ul_ufd_add(lua_State *L)
lua_pop(L, 1);
ufd = lua_newuserdata(L, sizeof(*ufd));
lua_createtable(L, 0, 2);
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
lua_pushcfunction(L, ul_ufd_delete);
lua_setfield(L, -2, "__gc");
lua_pushvalue(L, -1);
lua_setmetatable(L, -3);
lua_pushvalue(L, -2);
luaI_openlib(L, NULL, ufd_m, 1);
lua_pushvalue(L, -2);
memset(ufd, 0, sizeof(*ufd));
ufd->r = ref;