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authorFelix Janda <felix.janda@posteo.de>2014-12-20 20:13:27 -0500
committerRich Felker <dalias@aerifal.cx>2014-12-20 20:13:27 -0500
commit4b2cb37770e56835b261660535cea77474154ba0 (patch)
tree9e7c320ebb6770e76e0119fccc1cd8da4ac78f5c /src/misc
parent0217ed72f986d78b177f1a014e93f2150105bb44 (diff)
downloadmusl-4b2cb37770e56835b261660535cea77474154ba0.tar.gz
add login_tty function
Diffstat (limited to 'src/misc')
-rw-r--r--src/misc/login_tty.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/misc/login_tty.c b/src/misc/login_tty.c
new file mode 100644
index 00000000..f0be0a09
--- /dev/null
+++ b/src/misc/login_tty.c
@@ -0,0 +1,14 @@
+#include <utmp.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+int login_tty(int fd)
+{
+ setsid();
+ if (ioctl(fd, TIOCSCTTY, (char *)0)) return -1;
+ dup2(fd, 0);
+ dup2(fd, 1);
+ dup2(fd, 2);
+ if (fd>2) close(fd);
+ return 0;
+}