* configure.ac: Handle --enable-gc-debug.
* configure: Regenerate.
* include/config.h.in (LIBGCJ_GC_DEBUG): Add.
* boehm.cc: Include gc_mark.h, javaxfc.h, but no GC private files.
Rearrange include file order.
(GC_DEBUG): Set if LIBGCJ_GC_DEBUG is set.
(GC_finalize_all, GC_debug_generic_malloc): Don't declare.
(disable_gc_mutex): Delete along with all references.
(_Jv_MarkObj, _Jv_MarkArray): Use public types,
adjust for debug header size.
(_Jv_AllocObj, _Jv_allocPtrFreeObj): Define out of line for
debug case.
(_Jv_AllocArray): Declare min_heap_addr only if needed.
(gcj_describe_type_fn): New.
(_Jv_InitGC): Use GC_new_free_list, GC_new_proc, and GC_new_kind.
Register gcj_describe_type_fn.
* include/boehm-gc.h:
(_Jv_AllocObj, _Jv_allocPtrFreeObj):
Don't define, but declare, for debug case.
* java/lang/natObject.cc:
(GC_DEBUG): Define if LIBGCJ_GC_DEBUG is set.
From-SVN: r86686
PR libgcj/16662
* java/lang/natObject.cc (LOCK_LOG, LOG): Add debug tracing.
(Almost everywhere): add LOG calls, fix, add comments.
(_Jv_MonitorEnter): Replace masking of LOCKED bit with assertion.
Add explicit check for LOCKED bit in slow case (PR 16662).
(_Jv_MonitorExit): Add casts in debug-only code.
Always release LOCKED bit before throwing exception.
(_Jv_ObjectCheckMonitor): Lock may be held if lightweight lock
isn't. Handle easy cases without lock acquisition.
(Object::wait): Use NotifyAll for lock inflation.
From-SVN: r85884
libjava:
Hashtable synchronization for PowerPC.
* configure.in: Define SLOW_PTHREAD_SELF if configure.host set
slow_pthread_self. Set up symlink for sysdeps directory.
* configure: Rebuild.
* configure.host: Document more shell variables. Set sysdeps_dir
for most platforms. Set slow_pthread_self for i686. Set
enable_hash_synchronization_default and slow_pthread_self for PowerPC.
* posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use release_set so
that memory barrier is emitted where required.
* prims.cc: 64-bit align static primitive class instances.
* include/posix-threads.h (_Jv_ThreadSelf for SLOW_PTHREAD_SELF): Add
read_barrier() to enforce ordering of reads.
* sysdep/powerpc/locks.h: New file. Implementation of synchronization
primitives for PowerPC.
* sysdep/i386/locks.h: New file. Synchronization primitives for i386
moved from natObject.cc.
* sysdep/alpha/locks.h: Likewise.
* sysdep/ia64/locks.h: Likewise.
* sysdep/generic/locks.h: Likewise.
* java/lang/natObject.cc: Move thread synchronization primitives to
system-dependent headers.
gcc/java:
* decl.c (java_init_decl_processing): Make sure class_type_node
alignment is not less than 64 bits if hash synchronization isenabled.
boehm-gc:
* include/gc_priv.h: Define ALIGN_DOUBLE on 32 bit targets if GCJ
support is enabled, for hash synchronization.
From-SVN: r50523
2001-10-15 Hans Boehm <Hans_Boehm@hp.com>
* java/lang/natObject.cc (heavy_lock): Moved fields
old_client_data, old_finalization_proc near beginning.
(heavy_lock_finalization_proc): Now inline; changed type of
argument.
(JV_SYNC_TABLE_SZ): Now 2048.
(mp): New global.
(spin): `mp' now global.
(heavy_lock_obj_finalization_proc): Updated to correctly handle
heavy lock finalization.
(remove_all_heavy): New function.
(maybe_remove_all_heavy): Likewise.
(_Jv_MonitorEnter): Throw exception if object is NULL.
(_Jv_MonitorExit): Likewise. Also, clear long lists of unlocked
heavy locks.
* include/jvm.h (_Jv_AllocTraceTwo): Declare.
* nogc.cc (_Jv_AllocTraceTwo): New function.
* boehm.cc (trace_two_vtable): New global.
(_Jv_AllocTraceTwo): New function.
From-SVN: r46271
* configure.in: Only allow hash synchronization when POSIX threads
are enabled.
* java/lang/natObject.cc (alloc_heavy): Properly find `init' field
of sync info object.
From-SVN: r42530
2000-04-08 Anthony Green <green@redhat.com>
* java/lang/natObject.cc (_Jv_MonitorEnter): Only perform null
check when we have to.
* gcj/array.h: Mark elements(JArray<T>& x) and elements(JArray<T>*
x) as `inline'.
* java/util/StringTokenizer.java: Minor optimization. Eliminates
one method call.
* java/util/Vector.java (VectorEnumeration.nextElement): Manually
inline hasMoreElements.
From-SVN: r33033
* Makefile.in: New #defines and friends for Thread.h.
* posix-threads.cc: (struct starter): Remove `object'.
(_Jv_CondWait): Use interruptable condition variables and new
recursive mutexes. New return codes on interrupt or non-ownership
of mutex.
(_Jv_CondNotify): Ditto.
(_Jv_CondNotifyAll): Ditto.
(_Jv_ThreadInterrupt): Set thread interrupt flag directly. Interrupt
the target thread by signaling its wait condition.
(_Jv_ThreadInitData): Set `thread_obj' in the thread data struct,
not the starter struct. Initialize wait_mutex and wait_cond.
(_Jv_MutexLock): New recursive mutex implementation. Moved from
posix-threads.h.
(_Jv_MutexUnlock): Ditto.
(really_start): Set info->data->thread from pthread_self() to work
around a race condition. Destroy wait_mutex and wait_cond when run()
returns.
* java/lang/Thread.java: (isInterrupted_): Renamed to overloaded
`isInterrupted(boolean)'. Clear interrupted flag if clear_flag is
set.
startable_flag: New private field.
(Thread): Initialize `startable_flag'.
(toString): Check for null thread group.
* java/lang/natThread.cc: (struct natThread): New fields
`join_mutex', `join_cond'. Removed fields `joiner', `next'.
(class locker): Removed.
(initialize_native): Initialize `join_cond' and `join_mutex'.
(interrupt): Now just calls _Jv_ThreadInterrupt().
(join): Simplified. Just wait on the target thread's join condition.
(finish_): Remove join list code. Unset thread group. Signal
potential joiners by notifying the dying threads join_cond.
(start): Check for illegal restarts.
* java/lang/natObject.cc: Check for return value of _Jv_CondWait and
act appropriatly.
* include/posix-threads.h: Remove all HAVE_RECURSIVE_MUTEX related
#defines and #ifdefs.
(struct _Jv_Thread_t): New fields `thread_obj', `wait_cond',
`wait_mutex', `next'.
(struct _Jv_ConditionVariable_t): Define as a struct instead of
directly mapping to pthread_cond_t.
(struct _Jv_Mutex_t): New recursive implementation.
(_Jv_PthreadCheckMonitor): Reimplemented. Simple `owner' check.
_Jv_HaveCondDestroy: Never define this for posix-threads.
(_Jv_CondNotify): Remove inline implementation(s), prototype instead.
(_Jv_CondNotifyAll): Ditto.
(_Jv_MutexLock): Ditto.
(_Jv_MutexUnlock): Ditto.
(_Jv_MutexInit): Changed to reflect new mutex implementation.
(_Jv_MutexDestroy): Ditto.
(_Jv_CondDestroy): Removed.
(_Jv_PthreadGetMutex): Removed.
* include/win32-threads.h: (_Jv_CondNotify): Guess _JV_NOT_OWNER on an
error. Add a FIXME about this.
(_Jv_CondNotifyAll): Ditto.
* win32-threads.cc: (_Jv_CondWait): Return 0 on a timeout. Guess
_JV_NOT_OWNER on other errors. Add FIXME.
From-SVN: r32773
* All files: Updated copyright information.
* COPYING: New file.
* COPYING.LIB: Removed.
* LIBGCJ_LICENSE: We now use GPL + special exception.
From-SVN: r32387
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.
From-SVN: r31082
* configure: Rebuilt.
* configure.in: Build include/Makefile.
* Makefile.in: Rebuilt.
* Makefile.am (SUBDIRS): Added gcj and include.
(install-data-local): New target.
(extra_headers): New macro.
* include/Makefile.in: New file.
* include/Makefile.am: New file.
* interpret.cc: Don't include gcj/field.h or gcj/cni.h.
* java/lang/reflect/natField.cc: Don't include gcj/field.h or
gcj/cni.h.
* boehm.cc: Don't include java-threads.h or gcj/field.h.
* resolve.cc: Include config.h.
* defineclass.cc: Include config.h.
* include/java-interp.h: Don't include config.h.
* include/jvm.h: Include java-threads.h, Object.h, java-gc.h,
cni.h.
* gcj/javaprims.h: Regenerated namespace decls.
* classes.pl (scan): Don't put `;' after closing brace.
* Makefile.in: Rebuilt.
* Makefile.am (INCLUDES): Added -I for top_srcdir.
* configure.in: Create gcj/Makefile.
* gcj/Makefile.in: New file.
* gcj/Makefile.am: New file.
* java/lang/Object.h: Don't include any other headers.
* gcj/array.h: Renamed from include/java-array.h.
* gcj/field.h: Renamed from include/java-field.h.
* gcj/method.h: Renamed from include/java-method.h.
* gcj/cni.h, gcj/javaprims.h: Moved from include/.
Updated all files to reflect new include structure.
From-SVN: r29278
Eric Botcazou
Hans Boehm
Bryce McKinlay
Rainer Orth
Jerry Quinn
Tom Tromey
Adam Megacz
Bryce McKinlay
Joseph Myers
Loren J. Rittle
Jeff Sturm
Tom Tromey
Richard Henderson
Tom Tromey
Bryce McKinlay
Anthony Green