do not use exec for start scripts using trap quit EXIT
#4025
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Signed-off-by: zhangzujian <zhangzujian.7@gmail.com>
zhangzujian
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trap quit EXITtrap quit EXIT
oilbeater
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Signed-off-by: zhangzujian <zhangzujian.7@gmail.com>
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Pull Request
What type of this PR
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Which issue(s) this PR fixes
execreplaces the current program in the current process, without forking a new process:containerd-shim(731886)─┬─dumb-init(731983)───tail(732051) ├─monitor(732200)───ovsdb-server(732201) ├─monitor(732337)───ovs-vswitchd(732338)─┬─{ovs-vswitchd}(732521) │ ├─{ovs-vswitchd}(732522) │ ├─{ovs-vswitchd}(732523) │ ├─{ovs-vswitchd}(732524) │ ├─{ovs-vswitchd}(732525) │ ├─{ovs-vswitchd}(732526) │ ├─{ovs-vswitchd}(732527) │ ├─{ovs-vswitchd}(732528) │ ├─{ovs-vswitchd}(732529) │ ├─{ovs-vswitchd}(732530) │ ├─{ovs-vswitchd}(732531) │ └─{ovs-vswitchd}(732532) ├─monitor(732513)───ovn-controller(732514)─┬─{ovn-controller}(732515) │ ├─{ovn-controller}(732516) │ └─{ovn-controller}(732518) ├─pause(731921)Expected:
containerd-shim(940513)─┬─monitor(940761)───ovsdb-server(940763) ├─monitor(940937)───ovs-vswitchd(940938)─┬─{ovs-vswitchd}(941152) │ ├─{ovs-vswitchd}(941153) │ ├─{ovs-vswitchd}(941155) │ ├─{ovs-vswitchd}(941157) │ ├─{ovs-vswitchd}(941158) │ ├─{ovs-vswitchd}(941159) │ ├─{ovs-vswitchd}(941160) │ ├─{ovs-vswitchd}(941161) │ ├─{ovs-vswitchd}(941162) │ ├─{ovs-vswitchd}(941163) │ ├─{ovs-vswitchd}(941164) │ └─{ovs-vswitchd}(941165) ├─monitor(941134)───ovn-controller(941136)─┬─{ovn-controller}(941137) │ ├─{ovn-controller}(941138) │ └─{ovn-controller}(941142) ├─pause(940557) ├─start-ovs.sh(940629)───tail(941143)