Difference between revisions of "Daemonise.c"
From Organic Design wiki
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// Convert running program into a system daemon | // Convert running program into a system daemon | ||
| − | pid_t pid; | + | pid_t pid = fork(); |
| − | + | if (pid > 0) exit(EXIT_SUCCESS); | |
| − | + | if (pid < 0) exit(logErr("First fork() failed!"); | |
| − | if (( | + | if (setsid() < 0) exit(logErr("setsid() failed!"); |
| − | + | if (pid > 0) exit(EXIT_SUCCESS); | |
| − | + | if (pid < 0) exit(logErr("Second fork() failed!"); | |
| − | + | chdir("/"); | |
| − | + | umask(0); | |
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close(STDIN_FILENO); | close(STDIN_FILENO); | ||
close(STDOUT_FILENO); | close(STDOUT_FILENO); | ||
close(STDERR_FILENO); | close(STDERR_FILENO); | ||
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Revision as of 11:21, 21 July 2006
// Convert running program into a system daemon pid_t pid = fork(); if (pid > 0) exit(EXIT_SUCCESS); if (pid < 0) exit(logErr("First fork() failed!"); if (setsid() < 0) exit(logErr("setsid() failed!"); if (pid > 0) exit(EXIT_SUCCESS); if (pid < 0) exit(logErr("Second fork() failed!"); chdir("/"); umask(0); close(STDIN_FILENO); close(STDOUT_FILENO); close(STDERR_FILENO);
