libs-base/Testing/nstask.m

/* Test/example program for the base library

   Copyright (C) 2005 Free Software Foundation, Inc.
   
  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

   This file is part of the GNUstep Base Library.
*/
#include <Foundation/Foundation.h>


@interface TaskObs : NSObject
- (void) terminated: (NSNotification*)aNotification;
@end
@implementation TaskObs
- (void) terminated: (NSNotification*)aNotification
{
  NSLog(@"Task (%@) terminated", [aNotification object]);
}
@end

int
main()
{
  NSAutoreleasePool *pool;
  NSDictionary	*env;
  NSTask	*task;
  NSTask	*t0, *t1;
  NSData	*d;
  TaskObs	*obs = [TaskObs new];

  pool = [NSAutoreleasePool new];
  [[NSNotificationCenter defaultCenter]
    addObserver: obs
       selector: @selector(terminated:)
	   name: NSTaskDidTerminateNotification
	 object: nil];

#ifdef __MINGW32__
  task = [NSTask launchedTaskWithLaunchPath: @"C:\\windows\\system32\\mem.exe"
				  arguments: nil];
#else
  task = [NSTask launchedTaskWithLaunchPath: @"/bin/ls"
				  arguments: nil];
#endif
  [task waitUntilExit];
  printf("Exit status - %d\n", [task terminationStatus]); fflush(stdout);

  RELEASE(pool);
  pool = [NSAutoreleasePool new];

  task = [NSTask new];
  env = [[[[NSProcessInfo processInfo] environment] mutableCopy] autorelease];
  [task setEnvironment: env];
  [task setLaunchPath: @"/bin/sh"];
  [task setArguments: [NSArray arrayWithObjects: @"-c", @"echo $PATH", nil]];
  if ([task usePseudoTerminal] == NO)
    printf("Argh - unable to use pseudo terminal\n");
  [task launch];
  d = [[task standardOutput] availableData];
  NSLog(@"Got PATH of '%*s'", [d length], [d bytes]);

  [task waitUntilExit];
  RELEASE(task);

  NSLog(@"Testing two tasks at the same time");
  t0 = [NSTask launchedTaskWithLaunchPath: @"/bin/sh"
				arguments:
    [NSArray arrayWithObjects: @"-c", @"echo task0", nil]];
  NSLog(@"Launched task0 - %@", t0);

  t1 = [NSTask launchedTaskWithLaunchPath: @"/bin/sh"
				arguments:
    [NSArray arrayWithObjects: @"-c", @"echo task1", nil]];
  NSLog(@"Launched task1 - %@", t1);

  while ([t0 isRunning] == YES || [t1 isRunning] == YES)
    {
      NSAutoreleasePool	*arp = [NSAutoreleasePool new];

      [[NSRunLoop currentRunLoop] runMode: NSDefaultRunLoopMode beforeDate:
	[NSDate dateWithTimeIntervalSinceNow: 1]];
      RELEASE(arp);
    }
  RELEASE(pool);

  exit(0);
}