prosody
9b26a50cdfe3
util-src/poll.c

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util-src/poll.c @ 9475:9b26a50cdfe3

util.poll: Early return from __gc in case of no valid epoll FD This could happen if the epoll FD has already been closed or the epoll_create call failed
author Kim Alvefur <zash@zash.se>
date Thu, 11 Oct 2018 18:50:04 +0200
parent 9450:b890ceb1c24f
child 9476:f3935aa4cc7e
comparison
equal deleted inserted replaced
9474:619ba78709a5 9475:9b26a50cdfe3
349 * Close epoll FD 349 * Close epoll FD
350 */ 350 */
351 int Lgc(lua_State *L) { 351 int Lgc(lua_State *L) {
352 struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT); 352 struct Lpoll_state *state = luaL_checkudata(L, 1, STATE_MT);
353 353
354 if(state->epoll_fd != -1) {
355 return 0;
356 }
357
354 if(close(state->epoll_fd) == 0) { 358 if(close(state->epoll_fd) == 0) {
355 state->epoll_fd = -1; 359 state->epoll_fd = -1;
356 } 360 }
357 else { 361 else {
358 lua_pushstring(L, strerror(errno)); 362 lua_pushstring(L, strerror(errno));