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quick-threads.h (_Jv_ThreadCancel): Removed.

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* include/quick-threads.h (_Jv_ThreadCancel): Removed.
	(_Jv_ThreadDestroy): Likewise.
	* include/no-threads.h (_Jv_ThreadCancel): Removed.
	(_Jv_ThreadDestroy): Likewise.
	* include/posix-threads.h (struct _Jv_Thread_t): Removed
	`exception' field.
	(_Jv_ThreadCancel): Removed decl.
	(_Jv_ThreadDestroy): Removed.
	* posix-threads.cc (_Jv_ThreadCancel): Removed.
	(throw_cleanup): Removed.
	(really_start): Don't push or pop cleanup.
	(_Jv_ThreadInitData): Don't initialize `exception' field.
	* java/lang/Thread.java (stop): Officially unimplemented.
	* java/lang/natThread.cc (stop): Officially unimplemented.

From-SVN: r30392
This commit is contained in:
Tom Tromey 1999-11-04 16:45:11 +00:00 committed by Tom Tromey
parent 063174eeda
commit 16f39e241a
7 changed files with 21 additions and 68 deletions
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17
libjava/ChangeLog
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@ -1,3 +1,20 @@
1999-11-04 Tom Tromey <tromey@cygnus.com>
* include/quick-threads.h (_Jv_ThreadCancel): Removed.
(_Jv_ThreadDestroy): Likewise.
* include/no-threads.h (_Jv_ThreadCancel): Removed.
(_Jv_ThreadDestroy): Likewise.
* include/posix-threads.h (struct _Jv_Thread_t): Removed
`exception' field.
(_Jv_ThreadCancel): Removed decl.
(_Jv_ThreadDestroy): Removed.
* posix-threads.cc (_Jv_ThreadCancel): Removed.
(throw_cleanup): Removed.
(really_start): Don't push or pop cleanup.
(_Jv_ThreadInitData): Don't initialize `exception' field.
* java/lang/Thread.java (stop): Officially unimplemented.
* java/lang/natThread.cc (stop): Officially unimplemented.
1999-11-02 Bryce McKinlay <bryce@albatross.co.nz>
* posix-threads.cc: Don't include boehm-config.h. Include gcconfig.h

13
libjava/include/no-threads.h
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@ -125,19 +125,6 @@ _Jv_ThreadSetPriority (_Jv_Thread_t *, jint)
{
}
inline void
_Jv_ThreadCancel (_Jv_Thread_t *, void *)
{
JvFail ("_Jv_ThreadCancel");
}
// Like Cancel, but doesn't run cleanups.
inline void
_Jv_ThreadDestroy (_Jv_Thread_t *)
{
JvFail ("_Jv_ThreadDestroy");
}
void _Jv_ThreadStart (java::lang::Thread *, _Jv_Thread_t *,
_Jv_ThreadStartFunc *meth);

12
libjava/include/posix-threads.h
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@ -76,9 +76,6 @@ typedef struct
// Actual thread id.
pthread_t thread;
// Exception we want to throw when cancelled.
void *exception;
} _Jv_Thread_t;
typedef void _Jv_ThreadStartFunc (java::lang::Thread *);
@ -268,15 +265,6 @@ _Jv_ThreadYield (void)
void _Jv_ThreadSetPriority (_Jv_Thread_t *data, jint prio);
void _Jv_ThreadCancel (_Jv_Thread_t *data, void *error);
// Like Cancel, but doesn't run cleanups.
inline void
_Jv_ThreadDestroy (_Jv_Thread_t *)
{
JvFail ("_Jv_ThreadDestroy");
}
void _Jv_ThreadStart (java::lang::Thread *thread, _Jv_Thread_t *data,
_Jv_ThreadStartFunc *meth);

13
libjava/include/quick-threads.h
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@ -113,19 +113,6 @@ _Jv_ThreadSetPriority (_Jv_Thread_t *, jint)
{
}
inline void
_Jv_ThreadCancel (_Jv_Thread_t *data, void *error)
{
coop_terminate (*data, error);
}
// Like Cancel, but doesn't run cleanups.
inline void
_Jv_ThreadDestroy (_Jv_Thread_t *data)
{
coop_terminate (*data, 0);
}
void _Jv_ThreadStart (java::lang::Thread *thread, _Jv_Thread_t *data,
_Jv_ThreadStartFunc *meth);

4
libjava/java/lang/Thread.java
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@ -181,7 +181,9 @@ public class Thread implements Runnable
public final void stop ()
{
stop (new ThreadDeath ());
// Argument doesn't matter, because this is no longer
// supported.
stop (null);
}
public final synchronized native void stop (Throwable e);

7
libjava/java/lang/natThread.cc
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@ -304,12 +304,7 @@ java::lang::Thread::start (void)
void
java::lang::Thread::stop (java::lang::Throwable *e)
{
JvSynchronize sync (this);
checkAccess ();
if (! e)
_Jv_Throw (new NullPointerException);
natThread *nt = (natThread *) data;
_Jv_ThreadCancel (nt->thread, e);
JvFail ("java::lang::Thread::stop unimplemented");
}
void

23
libjava/posix-threads.cc
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@ -284,7 +284,6 @@ _Jv_ThreadInitData (_Jv_Thread_t **data, java::lang::Thread *)
_Jv_Thread_t *info = new _Jv_Thread_t;
info->flags = 0;
info->exception = NULL;
// FIXME register a finalizer for INFO here.
// FIXME also must mark INFO somehow.
@ -304,26 +303,6 @@ _Jv_ThreadSetPriority (_Jv_Thread_t *data, jint prio)
}
}
// This is called as a cleanup handler when a thread is exiting. We
// use it to throw the requested exception. It's entirely possible
// that this approach is doomed to failure, in which case we'll need
// to adopt some alternate. For instance, use a signal to implement
// _Jv_ThreadCancel.
static void
throw_cleanup (void *data)
{
_Jv_Thread_t *td = (_Jv_Thread_t *) data;
_Jv_Throw ((java::lang::Throwable *) td->exception);
}
void
_Jv_ThreadCancel (_Jv_Thread_t *data, void *error)
{
data->exception = error;
pthread_cancel (data->thread);
}
// This function is called when a thread is started. We don't arrange
// to call the `run' method directly, because this function must
// return a value.
@ -332,11 +311,9 @@ really_start (void *x)
{
struct starter *info = (struct starter *) x;
pthread_cleanup_push (throw_cleanup, info->data);
pthread_setspecific (_Jv_ThreadKey, info->object);
pthread_setspecific (_Jv_ThreadDataKey, info->data);
info->method (info->object);
pthread_cleanup_pop (0);
if (! (info->data->flags & FLAG_DAEMON))
{