init: use link function to link IO devices

2 files changed, 12 insertions, 0 deletions

diff --git a/rc.boot b/rc.boot
index ac5b40e..8412326 100755
--- a/rc.boot
+++ b/rc.boot
@@ -22,6 +22,13 @@ out "Mounting pseudo filesystems..."; {
 
     mnt mode=0620,gid=5,nosuid,noexec devpts devpts /dev/pts
     mnt mode=1777,nosuid,nodev        tmpfs  shm    /dev/shm
+
+    {
+        link /proc/self/fs /dev/fd
+        link fd/0          /dev/stdin
+        link fd/1          /dev/stdout
+        link fd/2          /dev/stderr
+    } 2>/dev/null
 }
 
 out "Parsing kernel commandline..."; {
diff --git a/rc.lib b/rc.lib
index 1df98ff..b096ec7 100644
--- a/rc.lib
+++ b/rc.lib
@@ -75,6 +75,11 @@ device_helper() {
     esac
 }
 
+link() {
+    ln -sf "$1" "$2"
+    printf '%s ==> %s\n' "$2" "$1"
+}
+
 mounted() {
     [ -e "$1" ] &&
     [ -f /proc/mounts ] &&