Hi there all,
I am relatively new, and from what I can tell, I am doing the following
correctly using GC (required) on my XCode Project.
The following is a test application that demonstrates what I am seeing. If
you look at the application in Activity monitor, you will see the threads go
up every second.
Is there something that I am missing? For a long-running application that
has the following in a thread loop, this causes a huge issue, as I can't
seem to get these threads to clean up. I have also tried dealloc(), setting
the pointers to nil and NULL, and calling -terminate: on the NSTask before I
exit the runCommand:: method;
Thanks in advance for any light you can shed on this issue.
#import <Cocoa/Cocoa.h>
@interface mainTest :NSObject
{
}
@end
@implementation mainTest
-(NSString *)runCommand:(NSString *) pathToCommand withArguments:(NSArray*)args
{
NSTask *task = [[NSTask alloc] init]; // initialise a NSTask for launching
the process
NSPipe *newPipe = [NSPipe pipe]; // initialise a one-way channel
NSFileHandle *readHandle = [newPipe fileHandleForReading]; // to read the
process output
NSData *inData; // the process output will be passed to a NSData
NSString *tempString; // and the NSData will be converted to a NSString
// Set up the operating conditions for the task
[task setCurrentDirectoryPath:NSHomeDirectory()];
[task setLaunchPath: pathToCommand];
[task setArguments:args];
[task setStandardOutput:newPipe]; // The Unix output is fed into the NSPipe
// Now launch the process
[task launch];
// Read everything sent and store in NSData
inData = [readHandle readDataToEndOfFile];
// Set up a temporary NSString containing the contents of the NSData
tempString = [[NSString alloc] initWithData:inData encoding:
NSASCIIStringEncoding];
// Return the NSString holding the output of the Unix process
return tempString;
}
@end
int main (int argc, const char * argv[]) {
mainTest* mainT = [mainTest new];
while(true)
{
NSLog([mainT runCommand: @"/bin/date" withArguments:[NSArray new]]);
sleep(1);
}
return 0;
}
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