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| author | Leah Neukirchen <leah@vuxu.org> | 2019-08-13 14:43:10 +0200 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2019-08-13 14:43:10 +0200 |
| commit | 4fbb854d95053bab4164c836fa87e2510c4acd5a (patch) | |
| tree | 7d001e53060bd06c03b3440deac509eea662b040 | |
| parent | f847cceb4513c98bd73ab9ebe8cb57c6ef8f08a9 (diff) | |
| download | reap-4fbb854d95053bab4164c836fa87e2510c4acd5a.tar.gz reap-4fbb854d95053bab4164c836fa87e2510c4acd5a.tar.xz reap-4fbb854d95053bab4164c836fa87e2510c4acd5a.zip | |
reap.1: add rationale
| -rw-r--r-- | README | 8 | ||||
| -rw-r--r-- | reap.1 | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/README b/README index 3ef974d..d5c6af4 100644 --- a/README +++ b/README @@ -36,6 +36,14 @@ ASSUMPTIONS reap can only work reliably when it has permission to kill all spawned processes and they respect SIGTERM. +RATIONALE + Keeping track of all spawned process is traditionally a hard problem on + Unix systems, mainly due to daemonization by forking twice. + + Other approaches on Linux exist, such as cgroups or PID namespaces. The + approach taken by reap has the benefit of requiring no special + permissions. + AUTHORS Leah Neukirchen <leah@vuxu.org> diff --git a/reap.1 b/reap.1 index f5c8701..86cd2c9 100644 --- a/reap.1 +++ b/reap.1 @@ -58,6 +58,14 @@ is enabled. can only work reliably when it has permission to kill all spawned processes and they respect .Dv SIGTERM . +.Sh RATIONALE +Keeping track of all spawned process is traditionally a hard problem +on Unix systems, mainly due to daemonization by forking twice. +.Pp +Other approaches on Linux exist, such as cgroups or PID namespaces. +The approach taken by +.Nm +has the benefit of requiring no special permissions. .Sh AUTHORS .An Leah Neukirchen Aq Mt leah@vuxu.org .Sh LICENSE |