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authorFelix Fietkau <nbd@openwrt.org>2006-10-24 23:59:08 +0000
committerFelix Fietkau <nbd@openwrt.org>2006-10-24 23:59:08 +0000
commit315f8e954bf209cc2de0dfd423aaa0611afb869d (patch)
tree404cdd638c2d7667df57ed993e9aa3cccc9e55ca /package/ppp/files
parent2f78952da8a9be5ca46dc3b705aa517072c9cec6 (diff)
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make network scripts more robust, prevent multiple instances of pppd and udhcpc for the same interface
SVN-Revision: 5290
Diffstat (limited to 'package/ppp/files')
-rw-r--r--package/ppp/files/ppp.sh5
1 files changed, 5 insertions, 0 deletions
diff --git a/package/ppp/files/ppp.sh b/package/ppp/files/ppp.sh
index 343223a..1334005 100644
--- a/package/ppp/files/ppp.sh
+++ b/package/ppp/files/ppp.sh
@@ -7,6 +7,11 @@ scan_ppp() {
start_pppd() {
local cfg="$1"; shift
+
+ # make sure only one pppd process is started
+ local pid="$(cat /var/run/ppp-${cfg}.pid 2>/dev/null)"
+ [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && return 0
+
config_get device "$cfg" device
config_get unit "$cfg" unit
config_get username "$cfg" username