musl - musl - an implementation of the standard library for Linux-based systems

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;

+}