37 lines
586 B
C
37 lines
586 B
C
/*
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* daemon.c - "daemonize" a process
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*/
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#include "config.h"
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int daemon(int nochdir, int noclose)
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{
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int nullfd;
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pid_t f;
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if (!nochdir) {
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if (chdir("/"))
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return -1;
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}
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if (!noclose) {
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if ((nullfd = open("/dev/null", O_RDWR)) < 0 ||
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dup2(nullfd, 0) < 0 ||
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dup2(nullfd, 1) < 0 || dup2(nullfd, 2) < 0)
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return -1;
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close(nullfd);
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}
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f = fork();
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if (f < 0)
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return -1;
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else if (f > 0)
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_exit(0);
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#ifdef HAVE_SETSID
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return setsid();
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#else
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return 0;
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#endif
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}
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