prosody
d4c2a3060e7e
util-src/pposix.c

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util-src/pposix.c @ 9028:d4c2a3060e7e

util.pposix: Use freopen(3) when replacing standard IO streams (thanks ratchetfreak) Man page says this is what freopen(3) is for.
author Kim Alvefur <zash@zash.se>
date Thu, 12 Jul 2018 20:42:22 +0200
parent 8012:e898c8fda986
child 9150:c1d5f52274cf
comparison
equal deleted inserted replaced
9027:4028eb4a9f7f 9028:d4c2a3060e7e
102 lua_pushboolean(L, 0); 102 lua_pushboolean(L, 0);
103 lua_pushstring(L, "setsid-failed"); 103 lua_pushstring(L, "setsid-failed");
104 return 2; 104 return 2;
105 } 105 }
106 106
107 /* Close stdin, stdout, stderr */
108 close(0);
109 close(1);
110 close(2);
111 /* Make sure accidental use of FDs 0, 1, 2 don't cause weirdness */ 107 /* Make sure accidental use of FDs 0, 1, 2 don't cause weirdness */
112 open("/dev/null", O_RDONLY); 108 stdin = freopen("/dev/null", "r", stdin);
113 open("/dev/null", O_WRONLY); 109 stdout = freopen("/dev/null", "w", stdout);
114 open("/dev/null", O_WRONLY); 110 stderr = freopen("/dev/null", "w", stderr);
115 111
116 /* Final fork, use it wisely */ 112 /* Final fork, use it wisely */
117 if(fork()) { 113 if(fork()) {
118 exit(0); 114 exit(0);
119 } 115 }