* 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
