summaryrefslogtreecommitdiff
path: root/src/linux/daemon.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/linux/daemon.c')
-rw-r--r--src/linux/daemon.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/linux/daemon.c b/src/linux/daemon.c
new file mode 100644
index 00000000..632d1203
--- /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;
+}