prosody
f3935aa4cc7e
util-src/poll.c

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util-src/poll.c @ 9476:f3935aa4cc7e

util.poll: Handle failed epoll FD creation
author Kim Alvefur <zash@zash.se>
date Thu, 11 Oct 2018 18:52:12 +0200
parent 9475:9b26a50cdfe3
child 9478:bd178ed0459b
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9475:9b26a50cdfe3 9476:f3935aa4cc7e
384 Lpoll_state *state = lua_newuserdata(L, sizeof(Lpoll_state)); 384 Lpoll_state *state = lua_newuserdata(L, sizeof(Lpoll_state));
385 luaL_setmetatable(L, STATE_MT); 385 luaL_setmetatable(L, STATE_MT);
386 386
387 /* Initialize state */ 387 /* Initialize state */
388 #ifdef USE_EPOLL 388 #ifdef USE_EPOLL
389 state->epoll_fd = epoll_create1(0); 389 state->epoll_fd = -1;
390 state->processed = 0; 390 state->processed = 0;
391
392 int epoll_fd = epoll_create1(EPOLL_CLOEXEC);
393
394 if(epoll_fd <= 0) {
395 lua_pushnil(L);
396 lua_pushstring(L, strerror(errno));
397 lua_pushinteger(L, errno);
398 return 3;
399 }
400
401 state->epoll_fd = epoll_fd;
391 #else 402 #else
392 FD_ZERO(&state->wantread); 403 FD_ZERO(&state->wantread);
393 FD_ZERO(&state->wantwrite); 404 FD_ZERO(&state->wantwrite);
394 FD_ZERO(&state->readable); 405 FD_ZERO(&state->readable);
395 FD_ZERO(&state->writable); 406 FD_ZERO(&state->writable);