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| version 1.106, 2016/10/23 22:04:05 | version 1.107, 2016/11/30 00:28:31 | ||
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| return 0; | return 0; | ||
| return 1; | return 1; | ||
| } | } | ||
| /* returns 1 if process is already daemonized, 0 otherwise */ | |||
| int | |||
| daemonized(void) | |||
| { | |||
| int fd; | |||
| if ((fd = open(_PATH_TTY, O_RDONLY | O_NOCTTY)) >= 0) { | |||
| close(fd); | |||
| return 0; /* have controlling terminal */ | |||
| } | |||
| if (getppid() != 1) | |||
| return 0; /* parent is not init */ | |||
| if (getsid(0) != getpid()) | |||
| return 0; /* not session leader */ | |||
| debug3("already daemonized"); | |||
| return 1; | |||
| } |