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Implement configuration pref for Generational Garbage Collection.

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Pref: javascript.options.mem.gc_generational
This resolves #20
This commit is contained in:
wolfbeast 2017-07-19 01:24:28 +02:00 • committed by Roy Tam
commit 935b074787
4 changed files with 20 additions and 0 deletions
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5
dom/base/nsJSEnvironment.cpp
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@ -2282,6 +2282,7 @@ SetMemoryGCModePrefChangedCallback(const char* aPrefName, void* aClosure)
{
bool enableZoneGC = Preferences::GetBool("javascript.options.mem.gc_per_zone");
bool enableIncrementalGC = Preferences::GetBool("javascript.options.mem.gc_incremental");
bool enableGenerationalGC = Preferences::GetBool("javascript.options.mem.gc_generational");
JSGCMode mode;
if (enableIncrementalGC) {
mode = JSGC_MODE_INCREMENTAL;
@ -2291,6 +2292,7 @@ SetMemoryGCModePrefChangedCallback(const char* aPrefName, void* aClosure)
mode = JSGC_MODE_GLOBAL;
}
JS_SetGCParameter(sContext, JSGC_MODE, mode);
JS_SetGGCMode(sContext, enableGenerationalGC);
}
static void
@ -2485,6 +2487,9 @@ nsJSContext::EnsureStatics()
Preferences::RegisterCallbackAndCall(SetMemoryGCSliceTimePrefChangedCallback,
"javascript.options.mem.gc_incremental_slice_ms");
Preferences::RegisterCallbackAndCall(SetMemoryGCModePrefChangedCallback,
"javascript.options.mem.gc_generational");
Preferences::RegisterCallbackAndCall(SetMemoryGCCompactingPrefChangedCallback,
"javascript.options.mem.gc_compacting");