- 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
+ lock "/var/lock/ppp-${cfg}"
+ local pid="$(head -n1 /var/run/ppp-${cfg}.pid 2>/dev/null)"
+ [ -d "/proc/$pid" ] && grep pppd "/proc/$pid/cmdline" 2>/dev/null >/dev/null && {
+ lock -u "/var/lock/ppp-${cfg}"
+ return 0
+ }
config_get device "$cfg" device
config_get unit "$cfg" unit
config_get username "$cfg" username
config_get password "$cfg" password
config_get keepalive "$cfg" keepalive
config_get device "$cfg" device
config_get unit "$cfg" unit
config_get username "$cfg" username
config_get password "$cfg" password
config_get keepalive "$cfg" keepalive