PATCH: Threads and SIGINT

[Bryce McKinlay]

Tom Tromey wrote:

> 1. The new "jthread" field in _Jv_Thread_t needs a comment.
> 2. Now that we have jthread, we can remove the "object" field in
>    struct starter in posix-threads.cc.

Now that I look at it, "jthread" is redundant. I removed it.

Attached is the patch that I checked in.

regards

  [ bryce ]

1999-12-22  Bryce McKinlay  <bryce@albatross.co.nz>

        * java/lang/natObject.cc (notify): Throw message with
        IllegalMonitorStateException.
        (notifyAll): Ditto.
        (wait): Ditto.
        * java/lang/Thread.java (isInterrupted): Don't clear
interrupt_flag.
        (isInterrupted_): New function, which does clear interrupt_flag.
        (interrupt): Use `isInterrupted_'.
        * java/lang/natThread.cc (interrupt): Add comment.
        (join): Set `prev' in joiner loop.
        Change various calls to `isInterrupted' to use `isInterrupted_'.
        * posix-threads.cc (_Jv_CondWait): Allways use
pthread_cond_timedwait
        on linux. Set result to 0 on an interrupt. Test interrupted
status
        of java Thread object directly.
        FLAG_INTERRUPTED: removed.
        (_Jv_ThreadStart): Throw OutOfMemoryError if pthread_create
fails.
        (_Jv_ThreadInterrupt): Don't set FLAG_INTERRUPTED.
        (_Jv_InitThreads): Don't block SIGINT.
        (_Jv_ThreadWait): Don't configure SIGINT handler.