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#include "nsProxyRelease.h"
PR_STATIC_CALLBACK(void*)
HandleProxyReleaseEvent(PLEvent *self)
{
nsISupports* owner = (nsISupports*) self->owner;
NS_RELEASE(owner);
return nsnull;
}
PR_STATIC_CALLBACK(void)
DestroyProxyReleaseEvent(PLEvent *self)
{
delete self;
}
NS_COM nsresult
NS_ProxyRelease(nsIEventTarget *target, nsISupports *doomed, PRBool alwaysProxy)
{
nsresult rv;
if (!target) {
NS_RELEASE(doomed);
return NS_OK;
}
if (!alwaysProxy) {
PRBool onCurrentThread = PR_FALSE;
rv = target->IsOnCurrentThread(&onCurrentThread);
if (NS_SUCCEEDED(rv) && onCurrentThread) {
NS_RELEASE(doomed);
return NS_OK;
}
}
PLEvent *ev = new PLEvent;
if (!ev) {
// we do not release doomed here since it may cause a delete on the
// wrong thread. better to leak than crash.
return NS_ERROR_OUT_OF_MEMORY;
}
PL_InitEvent(ev, doomed,
HandleProxyReleaseEvent,
DestroyProxyReleaseEvent);
rv = target->PostEvent(ev);
if (NS_FAILED(rv)) {
NS_WARNING("failed to post proxy release event");
PL_DestroyEvent(ev);
// again, it is better to leak the doomed object than risk crashing as
// a result of deleting it on the wrong thread.
}
return rv;
}
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