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Notify V8 GC of libvips cache size #21

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Lovell Fuller 2014-08-26 23:28:16 +01:00
parent 0d89131f66
commit bac367b005
1 changed files with 12 additions and 2 deletions
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14
src/sharp.cc
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@ -645,7 +645,7 @@ class ResizeWorker : public NanAsyncWorker {
if (baton->buffer_out_len > 0) { if (baton->buffer_out_len > 0) {
// Buffer // Buffer
argv[1] = NanNewBufferHandle((char *)baton->buffer_out, baton->buffer_out_len); argv[1] = NanNewBufferHandle(static_cast<char*>(baton->buffer_out), baton->buffer_out_len);
g_free(baton->buffer_out); g_free(baton->buffer_out);
argv[2] = info; argv[2] = info;
} else { } else {
@ -730,7 +730,12 @@ NAN_METHOD(cache) {
// Set cache memory limit // Set cache memory limit
if (args[0]->IsInt32()) { if (args[0]->IsInt32()) {
vips_cache_set_max_mem(args[0]->Int32Value() * 1048576); int newMax = args[0]->Int32Value() * 1048576;
int oldMax = vips_cache_get_max_mem();
vips_cache_set_max_mem(newMax);
// Notify the V8 garbage collector of delta in max cache size
NanAdjustExternalMemory(newMax - oldMax);
} }
// Set cache items limit // Set cache items limit
@ -767,9 +772,14 @@ extern "C" void init(Handle<Object> target) {
NanScope(); NanScope();
vips_init("sharp"); vips_init("sharp");
AtExit(at_exit); AtExit(at_exit);
// Set libvips operation cache limits // Set libvips operation cache limits
vips_cache_set_max_mem(100 * 1048576); // 100 MB vips_cache_set_max_mem(100 * 1048576); // 100 MB
vips_cache_set_max(500); // 500 operations vips_cache_set_max(500); // 500 operations
// Notify the V8 garbage collector of max cache size
NanAdjustExternalMemory(vips_cache_get_max_mem());
// Methods available to JavaScript // Methods available to JavaScript
NODE_SET_METHOD(target, "metadata", metadata); NODE_SET_METHOD(target, "metadata", metadata);
NODE_SET_METHOD(target, "resize", resize); NODE_SET_METHOD(target, "resize", resize);