Difference between revisions of "Daemonise.c"
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Line 6: | Line 6: | ||
int peerdInit() { | int peerdInit() { | ||
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// Fork so parent can exit and return control to what invoked it | // Fork so parent can exit and return control to what invoked it | ||
pid_t pid = fork(); | pid_t pid = fork(); | ||
if (pid > 0) exit(EXIT_SUCCESS); | if (pid > 0) exit(EXIT_SUCCESS); | ||
− | if (pid < 0) | + | if (pid < 0) { |
+ | logAdd("daemonise: First fork() failed!"); | ||
+ | exit(EXIT_FAILURE); | ||
+ | } | ||
// Become a new session leader with no controlling term | // Become a new session leader with no controlling term | ||
− | if (setsid() < 0) | + | if (setsid() < 0) { |
+ | logAdd("daemonise: setsid() failed!"); | ||
+ | exit(EXIT_FAILURE); | ||
+ | } | ||
// Fork again to be a non-session-leader which can't gain a controlling term | // Fork again to be a non-session-leader which can't gain a controlling term | ||
pid = fork(); | pid = fork(); | ||
if (pid > 0) exit(EXIT_SUCCESS); | if (pid > 0) exit(EXIT_SUCCESS); | ||
− | if (pid < 0) | + | if (pid < 0) { |
+ | logAdd("daemonise: second fork() failed!"); | ||
+ | exit(EXIT_FAILURE); | ||
+ | } | ||
+ | errno = 0; | ||
// Should be /home/lc(peer) | // Should be /home/lc(peer) | ||
− | chdir("/home/peerd"); | + | //chdir("/home/peerd"); |
// Don't inherit any file perms mask | // Don't inherit any file perms mask |
Revision as of 09:12, 19 August 2006
// [[[[1]]]] - nodal p2p wiki daemon // This article and all its includes are licenced under LGPL // GPL: [[[[2]]]] // SRC: [[[[3]]]] // included in [[[[4]]]][[[[5]]]]
int peerdInit() {
// Fork so parent can exit and return control to what invoked it pid_t pid = fork(); if (pid > 0) exit(EXIT_SUCCESS); if (pid < 0) { logAdd("daemonise: First fork() failed!"); exit(EXIT_FAILURE); }
// Become a new session leader with no controlling term if (setsid() < 0) { logAdd("daemonise: setsid() failed!"); exit(EXIT_FAILURE); }
// Fork again to be a non-session-leader which can't gain a controlling term pid = fork(); if (pid > 0) exit(EXIT_SUCCESS); if (pid < 0) { logAdd("daemonise: second fork() failed!"); exit(EXIT_FAILURE); }
errno = 0; // Should be /home/lc(peer) //chdir("/home/peerd");
// Don't inherit any file perms mask umask(0);
//close(STDIN_FILENO); //close(STDOUT_FILENO); //close(STDERR_FILENO);
return errno; }