Fix broken '#if defined' and no new line at end of makefile.
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ramiro
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ca4a702aa6
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8992e74cbe
221
js/jsj/jsjsa.c
221
js/jsj/jsjsa.c
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@ -1,221 +0,0 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* ** */
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/*
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* stand-alone glue for js<->java
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* this is used as a default if the host does not override
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* the glue.
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*/
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#if defined (JAVA)
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#include "jsapi.h"
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#include "jri.h"
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#include "jriext.h"
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#include "jsjava.h"
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#ifndef NSPR20
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#include "prglobal.h"
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#endif
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#include "prthread.h"
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#include "prmon.h"
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#include "prlog.h"
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#include "prcmon.h"
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#ifndef NSPR20
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#define WAIT_FOREVER LL_MAXINT
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#else
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#define WAIT_FOREVER PR_INTERVAL_NO_TIMEOUT
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#endif
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static JSTaskState *jsjiTask = 0;
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static PRMonitor *jsmon = NULL;
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/*
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* callbacks to make js<->java glue work
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*/
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/**
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* Liveconnect callback.
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* Called to determine if Java is enabled
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*
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*/
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PR_STATIC_CALLBACK(int)
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sajsj_IsEnabled(void)
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{
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return (int)PR_TRUE;
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}
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static JSClass sajsj_global_class = {
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"global", 0,
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JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
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JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
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};
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static JSObject *globalObject = NULL;
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static JSContext *globalContext = NULL;
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/*
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* callback to find the JSContext for a particular JRIEnv
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* here, this just returns the only JSContext we have.
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* in the client, it looks up the java call stack for one?
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*/
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PR_STATIC_CALLBACK(JSContext *)
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sajsj_CurrentContext(JRIEnv *env, char **errp)
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{
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*errp = 0;
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return globalContext;
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}
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PR_STATIC_CALLBACK(JRIEnv *)
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sajsj_CurrentEnv(JSContext *cx)
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{
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/* FIXME insurance? */
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JRIEnv *env = JRI_GetCurrentEnv();
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PR_ASSERT(env);
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return env;
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}
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/*
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* callbacks to maintain run-to-completion in the client
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* and thread-safety in the standalone java.
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*/
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PR_STATIC_CALLBACK(void)
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sajsj_EnterJS(void)
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{
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/* should ensure that only one thread can use the same
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* context / object space at once */
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PR_EnterMonitor(jsmon);
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}
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PR_STATIC_CALLBACK(void)
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sajsj_ExitJS(void)
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{
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PR_ExitMonitor(jsmon);
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}
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PR_STATIC_CALLBACK(JSPrincipals *)
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sajsj_getJSPrincipalsFromJavaCaller(JSContext *cx, int callerDepth)
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{
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return NULL;
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}
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PR_IMPLEMENT(JSObject *)
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sajsj_GetDefaultObject(JRIEnv *env, jobject hint)
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{
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return globalObject;
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}
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static JSJCallbacks sajsjCallbacks = {
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sajsj_IsEnabled,
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sajsj_CurrentEnv,
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sajsj_CurrentContext,
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sajsj_EnterJS,
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sajsj_ExitJS,
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NULL,
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sajsj_getJSPrincipalsFromJavaCaller,
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sajsj_GetDefaultObject,
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};
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static void
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sajsj_InitLocked()
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{
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JRIEnv *env;
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/* if jsj has already been initialized, we don't do this
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* standalone jsj setup, and none of the stuff in this
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* file gets used */
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if (!JSJ_Init(&sajsjCallbacks))
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return;
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jsjiTask = JS_Init(8L * 1024L * 1024L);
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jsmon = PR_NewMonitor();
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globalContext = JS_NewContext(jsjiTask, 8192);
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PR_ASSERT(globalContext);
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globalObject = NULL;
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JS_AddRoot(globalContext, &globalObject);
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globalObject = JS_NewObject(globalContext, &sajsj_global_class,
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NULL, NULL);
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if (!globalObject) {
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PR_ASSERT(globalObject);
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goto trash_cx;
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}
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if (!JS_InitStandardClasses(globalContext, globalObject))
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goto trash_cx;
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if (!JSJ_InitContext(globalContext, globalObject))
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goto trash_cx;
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env = JRI_GetCurrentEnv();
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PR_ASSERT(env);
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return;
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trash_cx:
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JS_DestroyContext(globalContext);
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globalContext = NULL;
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/* FIXME error codes? */
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return;
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}
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PR_IMPLEMENT(void)
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JSJ_InitStandalone()
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{
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static int initialized = -1;
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if (initialized == 1)
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return;
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PR_CEnterMonitor(&initialized);
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switch (initialized) {
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case -1:
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/* we're first */
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initialized = 0; /* in progress */
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PR_CExitMonitor(&initialized);
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/* do it */
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sajsj_InitLocked();
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PR_CEnterMonitor(&initialized);
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initialized = 1;
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PR_CNotifyAll(&initialized);
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break;
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case 0:
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/* in progress */
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PR_CWait(&initialized, WAIT_FOREVER);
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break;
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case 1:
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/* happened since the last check */
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break;
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}
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PR_CExitMonitor(&initialized);
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if (!jsjiTask)
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return; /* FIXME fail loudly! */
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return;
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}
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#endif /* defined (JAVA) */
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