Created
December 8, 2018 12:47
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Linux Daemon Writing HOWTO
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| #include <sys/types.h> | |
| #include <sys/stat.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <fcntl.h> | |
| #include <errno.h> | |
| #include <unistd.h> | |
| #include <syslog.h> | |
| #include <string.h> | |
| int main(void) { | |
| pid_t pid, sid; | |
| pid = fork(); | |
| if (pid < 0) { | |
| exit(EXIT_FAILURE); | |
| } | |
| if (pid > 0) { | |
| exit(EXIT_SUCCESS); | |
| } | |
| umask(0); | |
| sid = setsid(); | |
| if (sid < 0) { | |
| exit(EXIT_FAILURE); | |
| } | |
| if ((chdir("/")) < 0) { | |
| exit(EXIT_FAILURE); | |
| } | |
| close(STDIN_FILENO); | |
| close(STDOUT_FILENO); | |
| close(STDERR_FILENO); | |
| while (1) { | |
| sleep(30); | |
| } | |
| exit(EXIT_SUCCESS); | |
| } |
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