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/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "ProfilerServer.h"
#import "JSProfilerPrivate.h"
#import "JSRetainPtr.h"
#import <Foundation/Foundation.h>
@interface ProfilerServer : NSObject {
@private
NSString *_serverName;
unsigned _listenerCount;
}
+ (ProfilerServer *)sharedProfileServer;
- (void)startProfiling;
- (void)stopProfiling;
@end
@implementation ProfilerServer
+ (ProfilerServer *)sharedProfileServer
{
static ProfilerServer *sharedServer;
if (!sharedServer)
sharedServer = [[ProfilerServer alloc] init];
return sharedServer;
}
- (id)init
{
if (!(self = [super init]))
return nil;
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ([defaults boolForKey:@"EnableJSProfiling"])
[self startProfiling];
// The catch-all notifications
[[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(startProfiling) name:@"ProfilerServerStartNotification" object:nil];
[[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(stopProfiling) name:@"ProfilerServerStopNotification" object:nil];
// The specific notifications
NSProcessInfo *processInfo = [NSProcessInfo processInfo];
_serverName = [[NSString alloc] initWithFormat:@"ProfilerServer-%d", [processInfo processIdentifier]];
[[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(startProfiling) name:[_serverName stringByAppendingString:@"-Start"] object:nil];
[[NSDistributedNotificationCenter defaultCenter] addObserver:self selector:@selector(stopProfiling) name:[_serverName stringByAppendingString:@"-Stop"] object:nil];
[pool drain];
return self;
}
- (void)startProfiling
{
if (++_listenerCount > 1)
return;
JSRetainPtr<JSStringRef> profileName(Adopt, JSStringCreateWithUTF8CString([_serverName UTF8String]));
JSStartProfiling(0, profileName.get());
}
- (void)stopProfiling
{
if (!_listenerCount || --_listenerCount > 0)
return;
JSRetainPtr<JSStringRef> profileName(Adopt, JSStringCreateWithUTF8CString([_serverName UTF8String]));
JSEndProfiling(0, profileName.get());
}
@end
namespace JSC {
void startProfilerServerIfNeeded()
{
[ProfilerServer sharedProfileServer];
}
} // namespace JSC
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