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is_same_netns: handle if not same pidns

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garywill 2025-08-16 10:09:08 +08:00
parent 205814a2ea
commit b4cbcbdbbb
1 changed files with 5 additions and 1 deletions
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lnxrouter
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@ -932,8 +932,12 @@ get_pid_by_dbus_name() {
}
is_same_netns() {
local pid2="$1"
local my_netns his_netns
[[ ! -f /proc/$$/ns/net ]] && return 0 # no netns feature. treat as same
[[ "$(readlink /proc/$$/ns/net)" == "$(readlink /proc/$pid2/ns/net)" ]] && return 0
my_netns="$(readlink /proc/$$/ns/net)"
his_netns="$(readlink /proc/$pid2/ns/net)"
[[ ! -n "$his_netns" ]] && return 1 # can't find his pid or netns (maybe different pidns), treat as not same
[[ "$my_netns" == "$his_netns" ]] && return 0
return 1
}
#-----------------