Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 43da751ec19ac529302e5eb951494af5ccfb96b9
https://github.com/WebKit/WebKit/commit/43da751ec19ac529302e5eb951494af5ccfb96b9
Author: Ben Nham <[email protected]>
Date: 2024-08-02 (Fri, 02 Aug 2024)
Changed paths:
M Source/WebKit/UIProcess/WebProcessProxy.cpp
Log Message:
-----------
Drop foreground and background NetworkProcess/GPUProcess token if WebProcess
shuts down while in foreground or background state
https://bugs.webkit.org/show_bug.cgi?id=277520
rdar://132289273
Reviewed by Per Arne Vollan and Chris Dumez.
We have logs showing that sometimes `WebProcessProxy::shutDown` runs while the
`WebProcessProxy` is
in the foreground or background as opposed to suspended (i.e. while holding a
non-null
`m_foregroundToken` or `m_backgroundToken`). If that `WebProcessProxy` object
is never destructed,
then those token objects stay alive and cause NetworkProcess and GPUProcess to
always think they
have an active WebContent process to service. This then causes NetworkProcess
and GPUProcess to
hold on to the e.g. `Networking for background view(s)` activity forever.
Fix this by dropping ownership of the foreground and background token in
`WebProcessProxy::shutDown`.
* Source/WebKit/UIProcess/WebProcessProxy.cpp:
(WebKit::WebProcessProxy::shutDown):
Canonical link: https://commits.webkit.org/281758@main
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