https://issues.apache.org/bugzilla/show_bug.cgi?id=47873
Summary: unreliable coordination between daemon and request
thread for BusyTimeout processing
Product: Apache httpd-2
Version: 2.3-HEAD
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: mod_fcgid
AssignedTo: [email protected]
ReportedBy: [email protected]
See references to busy_timeout in fcgid_bridge.c (request thread) and
fcgid_pm_main.c (daemon) for the implementation of BusyTimeout processing.
Currently, the two threads need to agree on whether or not the app will be
timed out, or both may release the corresponding procnode structure. A fudge
factor (10 seconds) is added to the BusyTimeout setting in the daemon when
checking for a timeout, presumably to reduce the likelihood that the timeout is
processed (i.e., the daemon releases the procnode structure) but the request
thread doesn't think so (i.e., the request thread also releases the procnode
structure).
Note that this implementation also requires the busy_timeout value to be
propagated from the main server conf to the virtual host conf in fcgid_conf.c.
Hopefully that propagation can be removed when this is resolved.
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