diff options
Diffstat (limited to 'src/linux/daemon.c')
-rw-r--r-- | src/linux/daemon.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/linux/daemon.c b/src/linux/daemon.c new file mode 100644 index 0000000..632d120 --- /dev/null +++ b/src/linux/daemon.c @@ -0,0 +1,31 @@ +#include <fcntl.h> +#include <unistd.h> + +int daemon(int nochdir, int noclose) +{ + int fd; + + switch(fork()) { + case 0: break; + case -1: return -1; + default: _exit(0); + } + + if (setsid() < 0) return -1; + + switch(fork()) { + case 0: break; + case -1: return -1; + default: _exit(0); + } + + if (!nochdir) chdir("/"); + if (!noclose && (fd = open("/dev/null", O_RDWR)) >= 0) { + dup2(fd, 0); + dup2(fd, 1); + dup2(fd, 2); + if (fd > 2) close(fd); + } + + return 0; +} |