* posix-threads.cc (ParkHelper::unpark): Do not initialise result,
but assign it instead. Eliminates an unused variable warning when
the result == 0 assertion is disabled.
From-SVN: r154670
2009-11-17 Andrew Haley <aph@redhat.com>
* posix-threads.cc (park): Rewrite code to handle time.
Move mutex lock before the call to compare_and_swap to avoid a
race condition.
Add some assertions.
(unpark): Add an assertion.
(init): Move here from posix-threads.h.
* include/posix-threads.h (destroy): removed.
From-SVN: r154265
2005-11-25 Andrew Haley <aph@redhat.com>
PR libgcj/25016
* posix-threads.cc (_Jv_CondWait): Rewrite calculation of the
struct timespec we pass to pthread_cond_timedwait.
From-SVN: r107509
2005-02-15 David Daney <ddaney@avtrex.com>
Bryce McKinlay <mckinlay@redhat.com>
* prims.cc (_Jv_CreateJavaVM): Add comment about initialization order.
* posix-threads.cc (_Jv_InitThreads): Call block_sigchld() here to
ensure that GC threads inherit the new signal mask.
(block_sigchld): Call JvFail rather than throwing exception if
pthread_sigmask() fails.
Co-Authored-By: Bryce McKinlay <mckinlay@redhat.com>
From-SVN: r95095
* posix-threads.cc: Include <unistd.h> if HAVE_UNISTD_H is defined.
(_Jv_ThreadSetPriority): Test for _POSIX_THREAD_PRIORITY_SCHEDULING.
From-SVN: r63647
* posix-threads.cc (_Jv_ThreadSelf_out_of_line): Use write_barrier,
not release_set.
* sysdep/powerpc/locks.h (write_barrier): New function.
* sysdep/i386/locks.h (write_barrier): New function.
From-SVN: r51101
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
* configure.in (case $THREADS): Add *-*-freebsd* configuration.
(HAVE_GETHOSTBYADDR_R): Create a valid, non-optimal
configuration when gethostbyaddr_r exists yet no prototype
exists in netdb.h.
* configure: Rebuilt.
* posix-threads.cc (INTR): Reuse path for LINUX_THREADS
with FREEBSD_THREADS. However, comment different reason.
From-SVN: r46476
* posix-threads.cc (_Jv_ThreadInterrupt): Re-enable interrupt of
blocking IO via pthread_kill().
* java/io/natFileDescriptorPosix.cc (write (jint)): Check for thread
interrupted status flag only if ::write returned an error.
(write (jbyteArray, jint, jint): Likewise.
(read (jint)): Likewise.
(read (jbyteArray, jint, jint): Likewise.
From-SVN: r45719
* configure.in: Update boehm-gc include dir for new GC version.
* configure: Rebuilt.
* exception.cc: Only include <gc.h>. Remove TRUE/FALSE hacks and
extern "C" wrapper.
* boehm.cc: Update includes for new GC version. MAKE_PROC is now
GC_MAKE_PROC. mark_proc is now GC_mark_proc.
* posix-threads.cc: Only include <gc.h>. Don't need to wrap with
extern "C".
From-SVN: r42380
* prims.cc (_Jv_ThisExecutable): Use _Jv_Malloc.
* posix-threads.cc (_Jv_ThreadInitData): Use _Jv_Malloc.
(_Jv_ThreadDestroyData): Use _Jv_Free.
From-SVN: r41650
* configure.in: Rename THREADLIB to THREADLIBS.
* Makefile.am (LINK): Add $(THREADLIBS) to libtool command line. This
ensures that we link the correct version of the linuxthreads semaphore
functions.
* Makefile.in: Rebuilt.
* configure: Rebuilt.
* linux_thread.c (GC_thr_init, GC_suspend_handler): Add SIGABRT to the
list of signals which are not blocked during suspend in the NO_SIGNALS
case.
For libjava:
* Makefile.am (libgcj_la_LIBADD): Add $(THREADLIBS). This ensures that
the correct versions of various linuxthreads functions get linked.
* Makefile.in: Rebuilt.
* java/lang/natThread.cc (finalize_native): New static function. Call
_Jv_ThreadDestroyData.
(initialize_native): Register finalizer for "data".
* include/posix-threads.h (_Jv_ThreadInitData): New simpler prototype.
(_Jv_ThreadDestroyData): New prototype.
* include/win32-threads.h: Ditto.
* include/no-threads.h: Ditto.
* posix-threads.cc (_Jv_ThreadInitData): Implement new prototype.
(_Jv_ThreadDestroyData): New function. Free native thread "data" and
move mutex and condition variable destroy code from:
(really_start): ...here.
(_Jv_ThreadStart): Set PTHREAD_CREATE_DETACHED.
* win32-threads.cc (_Jv_ThreadInitData): Implement new prototype.
(_Jv_ThreadDestroyData): Implemented.
* nogc.cc (_Jv_AllocObject): Use "void *" not "ptr_t".
(_Jv_AllocArray): Ditto.
From-SVN: r38557
2000-09-30 Tom Tromey <tromey@cygnus.com>
* posix-threads.cc (_Jv_CondWait): Check to see if we are
interrupted before modifying the cv's wait set.
From-SVN: r36680
2000-04-08 Anthony Green <green@cygnus.com>
* posix-threads.cc (_Jv_MutexLock): Moved back to posix-threads.h.
(_Jv_MutexUnlock): Ditto.
* include/posix-threads.h (_Jv_MutexLock): From posix-threads.cc.
(_Jv_MutexUnlock): Ditto.
From-SVN: r33037
* 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
* posix-threads.cc (_Jv_MutexInit): Use _Jv_PthreadGetMutex to get
mutex to initialize. Initialize `count' if required.
Fixes PR libgcj/98.
From-SVN: r30725
* 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
1999-09-07 Tom Tromey <tromey@cygnus.com>
* posix-threads.cc (_Jv_CondWait): Check `errno' against EINTR,
not `r'. Changed `done_sleeping' to a `bool'.
1999-09-07 Matt Welsh <mdw@cs.berkeley.edu
* libjava/posix-threads.cc: Added _Jv_ThreadDataKey.
Added FLAG_INTERRUPTED to indicate that a thread was interrupted
by another thread, rather than by the GC.
(_Jv_CondWait): Prevent premature thread wakeup by GC.
(_Jv_InitThreads): Initialize _Jv_ThreadDataKey.
* libjava/include/posix-threads.h (_Jv_ThreadCurrentData): New
function.
From-SVN: r29177
* posix-threads.cc (_Jv_CondWait): Use _Jv_PthreadGetMutex.
* include/posix-threads.h (_Jv_Mutex_t): Define as structure,
except on Linux.
(_Jv_PthreadGetMutex): New function.
(_Jv_PthreadCheckMonitor): Use it.
(_Jv_MutexInit): Likewise. ALso, initialize `count'.
(_Jv_MutexLock): Update `count'.
(_Jv_MutexUnlock): Likewise.
(_Jv_PthreadCheckMonitor): Use Linux-specific knowledge when
appropriate.
From-SVN: r29032
Ben Elliston
Andrew Haley
David Daney
Tom Tromey
Andreas Schwab
Geoffrey Keating
Keith Seitz
Krister Walfridsson
Bryce McKinlay
David Daney
Jerry Quinn
Jason Thorpe
Bryce McKinlay
Bryce McKinlay
Joseph Myers
Loren J. Rittle
Per Bothner
Zack Weinberg
Richard Henderson
Bryce McKinlay
Tom Tromey
Anthony Green