Sha256: 088b1e959cd0fd53891827cf73ea8492e640b3a6f7bc4429178421eb27e129aa
Contents?: true
Size: 1.53 KB
Versions: 9
Compression:
Stored size: 1.53 KB
Contents
# Copyright (c) 2015 Sqreen. All Rights Reserved.
# Please refer to our terms for more information: https://www.sqreen.com/terms.html
# TODO: => Sqreen::JS:MiniRacer ?
module Sqreen
module Js
class ContextPool
def initialize
@mutex = Mutex.new
@total_ctxs = 0
@contexts = []
end
def with_context(&block)
isolate = context
begin
block[isolate]
ensure
give_back_context isolate
end
end
private
def context
@mutex.synchronize do
if @contexts.empty?
@total_ctxs += 1
Sqreen.log.debug "Creating new V8 context (#{@total_ctxs})"
SqreenContext.new
else
@contexts.pop
end
end
end
def give_back_context(context)
context.possibly_gc
if context.gc_load > 30
if context.gc_threshold_in_bytes == DEFAULT_GC_THRESHOLD
context.gc_threshold_in_bytes *= 2
Sqreen.log.warn("Context #{context} had too many close garbage " \
'collections; doubling the threshold to ' \
"#{context.gc_threshold_in_bytes} bytes")
context.gc_load = 0
else
Sqreen.log.warn("Context #{context} had too many close garbage " \
'collections; discarding it')
context.dispose
return
end
end
@mutex.synchronize { @contexts.push(context); }
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems