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gnu: linux-initrd: Better populate /dev. 

* guix/build/linux-initrd.scm (make-essential-device-nodes): Make
  /dev/{ptmx,tty} world-writable.  Build additional character devices.
This commit is contained in:
Ludovic Courtès 2014-04-09 17:50:37 +02:00
parent d69b35ee70
commit 289773c1d8
1 changed files with 18 additions and 5 deletions
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23
guix/build/linux-initrd.scm
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@ -107,6 +107,7 @@
;; TTYs.
(mknod (scope "dev/tty") 'char-special #o600
(device-number 5 0))
(chmod (scope "dev/tty") #o666)
(let loop ((n 0))
(and (< n 50)
(let ((name (format #f "dev/tty~a" n)))
@ -117,6 +118,7 @@
;; Pseudo ttys.
(mknod (scope "dev/ptmx") 'char-special #o666
(device-number 5 2))
(chmod (scope "dev/ptmx") #o666)
(unless (file-exists? (scope "dev/pts"))
(mkdir (scope "dev/pts")))
@ -126,11 +128,22 @@
(mknod (scope "dev/log") 'socket #o666 0)
(mknod (scope "dev/kmsg") 'char-special #o600 (device-number 1 11))
;; Other useful nodes.
(mknod (scope "dev/null") 'char-special #o666 (device-number 1 3))
(mknod (scope "dev/zero") 'char-special #o666 (device-number 1 5))
(chmod (scope "dev/null") #o666)
(chmod (scope "dev/zero") #o666))
;; Other useful nodes, notably relied on by guix-daemon.
(for-each (match-lambda
((file major minor)
(mknod (scope file) 'char-special #o666
(device-number major minor))
(chmod (scope file) #o666)))
'(("dev/null" 1 3)
("dev/zero" 1 5)
("dev/full" 1 7)
("dev/random" 1 8)
("dev/urandom" 1 9)))
(symlink "/proc/self/fd" (scope "dev/fd"))
(symlink "/proc/self/fd/0" (scope "dev/stdin"))
(symlink "/proc/self/fd/1" (scope "dev/stdout"))
(symlink "/proc/self/fd/2" (scope "dev/stderr")))
(define %host-qemu-ipv4-address
(inet-pton AF_INET "10.0.2.10"))