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Update process count preference to a fixed value and enhance content parent selection logic

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ownedbywuigi 2026-03-30 11:43:16 +01:00
commit 9a60e2c532
2 changed files with 16 additions and 5 deletions
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15
dom/ipc/ContentParent.cpp
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@ -602,14 +602,27 @@ ContentParent::GetNewOrUsedBrowserProcess(bool aForBrowserElement,
static_cast<uint32_t>(maxContentParents));
uint32_t startIdx = rand() % maxSelectable;
uint32_t currIdx = startIdx;
RefPtr<ContentParent> fallback;
do {
RefPtr<ContentParent> p = (*contentParents)[currIdx];
NS_ASSERTION(p->IsAlive(), "Non-alive contentparent in sBrowserContntParents?");
if (!p->IsAlive()) {
currIdx = (currIdx + 1) % maxSelectable;
continue;
}
if (!fallback) {
fallback = p;
}
if (p->mOpener == aOpener) {
return p.forget();
}
currIdx = (currIdx + 1) % maxSelectable;
} while (currIdx != startIdx);
if (fallback) {
return fallback.forget();
}
}
RefPtr<ContentParent> p = new ContentParent(aOpener, aForBrowserElement);