From c348e0bc7bb104c9e2385a0d1c29099a7033adf8 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 1 Feb 2008 01:41:57 +0000 Subject: add a mini-faq about std{in,out,err} --- docs/mdev.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'docs/mdev.txt') diff --git a/docs/mdev.txt b/docs/mdev.txt index 0b2c37d99..4a4451b4d 100644 --- a/docs/mdev.txt +++ b/docs/mdev.txt @@ -62,10 +62,12 @@ The special characters have the meaning: * Run both after creating and before removing the device. The command is executed via the system() function (which means you're giving a -command to the shell), so make sure you have a shell installed at /bin/sh. +command to the shell), so make sure you have a shell installed at /bin/sh. You +should also keep in mind that the kernel executes hotplug helpers with stdin, +stdout, and stderr connected to /dev/null. For your convenience, the shell env var $MDEV is set to the device name. So if -the device 'hdc' was matched, MDEV would be set to "hdc". +the device "hdc" was matched, MDEV would be set to "hdc". ---------- FIRMWARE -- cgit v1.2.3