prosody
cf2086a1bd45
util-src/poll.c

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util-src/poll.c @ 12315:cf2086a1bd45

util.poll: Expose API (epoll or select) used Could he handy to know for debugging or decisions
author Kim Alvefur <zash@zash.se>
date Sun, 27 Feb 2022 14:36:43 +0100
parent 12314:898554323338
child 12316:6bb2f660f689
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12314:898554323338 12315:cf2086a1bd45
12 #include <string.h> 12 #include <string.h>
13 #include <errno.h> 13 #include <errno.h>
14 14
15 #if defined(__linux__) 15 #if defined(__linux__)
16 #define USE_EPOLL 16 #define USE_EPOLL
17 #define POLL_BACKEND "epoll"
17 #else 18 #else
18 #define USE_SELECT 19 #define USE_SELECT
20 #define POLL_BACKEND "select"
19 #endif 21 #endif
20 22
21 #ifdef USE_EPOLL 23 #ifdef USE_EPOLL
22 #include <sys/epoll.h> 24 #include <sys/epoll.h>
23 #ifndef MAX_EVENTS 25 #ifndef MAX_EVENTS
29 #endif 31 #endif
30 32
31 #include <lualib.h> 33 #include <lualib.h>
32 #include <lauxlib.h> 34 #include <lauxlib.h>
33 35
34 #ifdef USE_EPOLL 36 #define STATE_MT "util.poll<" POLL_BACKEND ">"
35 #define STATE_MT "util.poll<epoll>"
36 #endif
37 #ifdef USE_SELECT
38 #define STATE_MT "util.poll<select>"
39 #endif
40 37
41 #if (LUA_VERSION_NUM == 501) 38 #if (LUA_VERSION_NUM == 501)
42 #define luaL_setmetatable(L, tname) luaL_getmetatable(L, tname); lua_setmetatable(L, -2) 39 #define luaL_setmetatable(L, tname) luaL_getmetatable(L, tname); lua_setmetatable(L, -2)
43 #endif 40 #endif
44 #if (LUA_VERSION_NUM < 504) 41 #if (LUA_VERSION_NUM < 504)
485 lua_setfield(L, -2, #named_error); 482 lua_setfield(L, -2, #named_error);
486 483
487 push_errno(EEXIST); 484 push_errno(EEXIST);
488 push_errno(ENOENT); 485 push_errno(ENOENT);
489 486
490 } 487 lua_pushliteral(L, POLL_BACKEND);
491 return 1; 488 lua_setfield(L, -2, "api");
492 } 489
493 490 }
491 return 1;
492 }
493