gc6.8 tarball import

configure

@@ -1,7 +1,7 @@
 #! /bin/sh
 # From configure.in Revision: 1.2 .
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.59 for gc 6.7.
+# Generated by GNU Autoconf 2.59 for gc 6.8.
 #
 # Report bugs to <Hans.Boehm@hp.com>.
 #
@@ -429,8 +429,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='gc'
 PACKAGE_TARNAME='gc'
-PACKAGE_VERSION='6.7'
-PACKAGE_STRING='gc 6.7'
+PACKAGE_VERSION='6.8'
+PACKAGE_STRING='gc 6.8'
 PACKAGE_BUGREPORT='Hans.Boehm@hp.com'
 
 ac_unique_file="gcj_mlc.c"
@@ -956,7 +956,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures gc 6.7 to adapt to many kinds of systems.
+\`configure' configures gc 6.8 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1023,7 +1023,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of gc 6.7:";;
+     short | recursive ) echo "Configuration of gc 6.8:";;
    esac
   cat <<\_ACEOF
 
@@ -1167,7 +1167,7 @@ fi
 test -n "$ac_init_help" && exit 0
 if $ac_init_version; then
   cat <<\_ACEOF
-gc configure 6.7
+gc configure 6.8
 generated by GNU Autoconf 2.59
 
 Copyright (C) 2003 Free Software Foundation, Inc.
@@ -1181,7 +1181,7 @@ cat >&5 <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by gc $as_me 6.7, which was
+It was created by gc $as_me 6.8, which was
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   $ $0 $@
@@ -1953,7 +1953,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='gc'
- VERSION='6.7'
+ VERSION='6.8'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -4008,9 +4008,9 @@ _ACEOF
 _ACEOF
 
 	;;
-     *-*-hpux*)
-	{ echo "$as_me:$LINENO: WARNING: \"Only HP/UX 11 threads are supported.\"" >&5
-echo "$as_me: WARNING: \"Only HP/UX 11 threads are supported.\"" >&2;}
+     *-*-hpux11*)
+	{ echo "$as_me:$LINENO: WARNING: \"Only HP-UX 11 POSIX threads are supported.\"" >&5
+echo "$as_me: WARNING: \"Only HP-UX 11 POSIX threads are supported.\"" >&2;}
 	cat >>confdefs.h <<\_ACEOF
 #define GC_HPUX_THREADS 1
 _ACEOF
@@ -4030,6 +4030,16 @@ _ACEOF
 _ACEOF
 
 	THREADDLLIBS="-lpthread -lrt"
+	# HPUX needs REENTRANT for the _r calls.
+
+cat >>confdefs.h <<\_ACEOF
+#define _REENTRANT 1
+_ACEOF
+
+ 	;;
+     *-*-hpux10*)
+	{ echo "$as_me:$LINENO: WARNING: \"Only HP-UX 11 POSIX threads are supported.\"" >&5
+echo "$as_me: WARNING: \"Only HP-UX 11 POSIX threads are supported.\"" >&2;}
 	;;
      *-*-freebsd*)
 	{ echo "$as_me:$LINENO: WARNING: \"FreeBSD does not yet fully support threads with Boehm GC.\"" >&5
@@ -6069,7 +6079,7 @@ test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 6072 "configure"' > conftest.$ac_ext
+  echo '#line 6082 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -6642,7 +6652,7 @@ chmod -w .
 save_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -o out/conftest2.$ac_objext"
 compiler_c_o=no
-if { (eval echo configure:6645: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then
+if { (eval echo configure:6655: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then
   # The compiler can only warn and ignore the option if not recognized
   # So say no if there are warnings
   if test -s out/conftest.err; then
@@ -8569,7 +8579,7 @@ else
     lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 8572 "configure"
+#line 8582 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -8667,7 +8677,7 @@ else
     lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 8670 "configure"
+#line 8680 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10289,7 +10299,7 @@ _ASBOX
 } >&5
 cat >&5 <<_CSEOF
 
-This file was extended by gc $as_me 6.7, which was
+This file was extended by gc $as_me 6.8, which was
 generated by GNU Autoconf 2.59.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -10347,7 +10357,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-gc config.status 6.7
+gc config.status 6.8
 configured by $0, generated by GNU Autoconf 2.59,
   with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
 

configure.in

@@ -17,7 +17,7 @@ dnl Process this file with autoconf to produce configure.
 # Initialization
 # ==============
 
-AC_INIT(gc,6.7,Hans.Boehm@hp.com) 
+AC_INIT(gc,6.8,Hans.Boehm@hp.com) 
     ## version must conform to [0-9]+[.][0-9]+(alpha[0-9]+)?
 AC_CONFIG_SRCDIR(gcj_mlc.c)
 AC_CANONICAL_TARGET 
@@ -94,22 +94,38 @@ case "$THREADS" in
 	AC_DEFINE(GC_AIX_THREADS)
 	AC_DEFINE(_REENTRANT)
 	;;
-     *-*-hpux*)
-	AC_MSG_WARN("Only HP/UX 11 threads are supported.")
+     *-*-hpux11*)
+	AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
 	AC_DEFINE(GC_HPUX_THREADS)
 	AC_DEFINE(_POSIX_C_SOURCE,199506L)
 	if test "${enable_parallel_mark}" = yes; then
 	  AC_DEFINE(PARALLEL_MARK)
 	fi
 	AC_DEFINE(THREAD_LOCAL_ALLOC)
 	THREADDLLIBS="-lpthread -lrt"
+	# HPUX needs REENTRANT for the _r calls.
+	AC_DEFINE(_REENTRANT, 1, [Required define if using POSIX threads])
+ 	;;
+     *-*-hpux10*)
+	AC_MSG_WARN("Only HP-UX 11 POSIX threads are supported.")
 	;;
      *-*-freebsd*)
 	AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
 	AC_DEFINE(GC_FREEBSD_THREADS)
 	INCLUDES="$INCLUDES -pthread"
 	THREADDLLIBS=-pthread
       	;;
+     *-*-kfreebsd*-gnu)
+	AC_DEFINE(GC_FREEBSD_THREADS)
+	INCLUDES="$INCLUDES -pthread"
+	THREADDLLIBS=-pthread
+	AC_DEFINE(_REENTRANT)
+        if test "${enable_parallel_mark}" = yes; then
+	  AC_DEFINE(PARALLEL_MARK)
+	fi
+	AC_DEFINE(THREAD_LOCAL_ALLOC)
+	AC_DEFINE(USE_COMPILER_TLS)
+      	;;
      *-*-netbsd*)
 	AC_MSG_WARN("Only on NetBSD 2.0 or later.")
 	AC_DEFINE(GC_NETBSD_THREADS)

darwin_stop_world.c

@@ -169,6 +169,7 @@ void GC_push_all_stacks() {
 
 void GC_push_all_stacks() {
     int i;
+	task_t my_task;
     kern_return_t r;
     mach_port_t me;
     ptr_t lo, hi;
@@ -178,7 +179,8 @@ void GC_push_all_stacks() {
     me = mach_thread_self();
     if (!GC_thr_initialized) GC_thr_init();
 
-    r = task_threads(current_task(), &act_list, &listcount);
+	my_task = current_task();
+    r = task_threads(my_task, &act_list, &listcount);
     if(r != KERN_SUCCESS) ABORT("task_threads failed");
     for(i = 0; i < listcount; i++) {
       thread_act_t thread = act_list[i];
@@ -268,8 +270,10 @@ void GC_push_all_stacks() {
 		 );
 #     endif
       GC_push_all_stack(lo, hi); 
+	  mach_port_deallocate(my_task, thread);
     } /* for(p=GC_threads[i]...) */
-    vm_deallocate(current_task(), (vm_address_t)act_list, sizeof(thread_t) * listcount);
+    vm_deallocate(my_task, (vm_address_t)act_list, sizeof(thread_t) * listcount);
+	mach_port_deallocate(my_task, me);
 }
 #endif /* !DARWIN_DONT_PARSE_STACK */
 
@@ -363,6 +367,7 @@ int GC_suspend_thread_list(thread_act_array_t act_list, int count,
     } 
     if (!found) GC_mach_threads_count++;
   }
+  mach_port_deallocate(current_task(), my_thread);
   return changed;
 }
 
@@ -372,6 +377,7 @@ void GC_stop_world()
 {
   int i, changes;
     GC_thread p;
+	task_t my_task = current_task();
     mach_port_t my_thread = mach_thread_self();
     kern_return_t kern_result;
     thread_act_array_t act_list, prev_list;
@@ -407,13 +413,21 @@ void GC_stop_world()
       prevcount = 0;
       do {
 	int result;
-	kern_result = task_threads(current_task(), &act_list, &listcount);
+	kern_result = task_threads(my_task, &act_list, &listcount);
 	result = GC_suspend_thread_list(act_list, listcount,
 					prev_list, prevcount);
 	changes = result;
 	prev_list = act_list;
 	prevcount = listcount;
-        vm_deallocate(current_task(), (vm_address_t)act_list, sizeof(thread_t) * listcount);
+
+	if(kern_result == KERN_SUCCESS) {
+		int i;
+
+		for(i = 0; i < listcount; i++)
+			mach_port_deallocate(my_task, act_list[i]);
+
+        vm_deallocate(my_task, (vm_address_t)act_list, sizeof(thread_t) * listcount);
+	}
       } while (changes);
 
 
@@ -430,12 +444,15 @@ void GC_stop_world()
     #if DEBUG_THREADS
       GC_printf1("World stopped from 0x%lx\n", my_thread);
     #endif
+
+	  mach_port_deallocate(my_task, my_thread);
 }
 
 /* Caller holds allocation lock, and has held it continuously since	*/
 /* the world stopped.							*/
 void GC_start_world()
 {
+  task_t my_task = current_task();
   mach_port_t my_thread = mach_thread_self();
   int i, j;
   GC_thread p;
@@ -456,7 +473,7 @@ void GC_start_world()
       }
 #   endif
 
-    kern_result = task_threads(current_task(), &act_list, &listcount);
+    kern_result = task_threads(my_task, &act_list, &listcount);
     for(i = 0; i < listcount; i++) {
       thread_act_t thread = act_list[i];
       if (thread != my_thread &&
@@ -484,8 +501,12 @@ void GC_start_world()
 	  } 
 	}
       }
+
+	  mach_port_deallocate(my_task, thread);
     }
-    vm_deallocate(current_task(), (vm_address_t)act_list, sizeof(thread_t) * listcount);
+    vm_deallocate(my_task, (vm_address_t)act_list, sizeof(thread_t) * listcount);
+
+	mach_port_deallocate(my_task, my_thread);
 #   if DEBUG_THREADS
      GC_printf0("World started\n");
 #   endif

doc/README

@@ -28,7 +28,7 @@ are GPL'ed, but with an exception that should cover all uses in the
 collector.  (If you are concerned about such things, I recommend you look
 at the notice in config.guess or ltmain.sh.)
 
-This is version 6.7 of a conservative garbage collector for C and C++.
+This is version 6.8 of a conservative garbage collector for C and C++.
 
 You might find a more recent version of this at
 

doc/README.changes

@@ -2284,6 +2284,22 @@ Since 6.6:
  - Fix Makefile.am, so it handles exe extensions under Cygwin correctly
    for gctest.
 
+Since 6.7:
+ - Added some support for Dragonfly BSD.  (Thanks to Joerg Sonnenberger and
+   Thomas Klausner.)
+ - Improvements to the HP/UX section of configure.in.
+   (Thanks to Andreas Tobler.)
+ - GC_unix_get_mem could neglect to release the malloc lock on Irix, under
+   extremely unlikely circumstances.  Thanks to Jean-Baptiste Nivois for
+   some careful code reading.
+ - Added support for kFreeBSD + glibc (Thanks to Petr Salinger)
+ - Fix more MacOS threads memory leaks (Thanks to Allan Hsu)
+ - Added initial Solaris/X86-64 support (Thanks to Rainer Orth)
+ - Applied a long-lost MINGW patch from Gerard Allan for malloc redirection
+   with threads.  This one probably makes no sense for 7.0, and was not applied
+   there.
+ - The Solaris/SPARC definition of GC_INIT() in gc.h wasn't C++-compilable.
+
 To do:
  - The USE_MUNMAP code should really use a separate data structure
    indexed by physical page to keep track of time since last use of

dyn_load.c

@@ -26,7 +26,7 @@
  * None of this is safe with dlclose and incremental collection.
  * But then not much of anything is safe in the presence of dlclose.
  */
-#if defined(__linux__) && !defined(_GNU_SOURCE)
+#if (defined(__linux__) || defined(__GLIBC__)) && !defined(_GNU_SOURCE)
     /* Can't test LINUX, since this must be define before other includes */
 #   define _GNU_SOURCE
 #endif
@@ -381,7 +381,7 @@ GC_bool GC_register_main_static_data()
 /* For glibc 2.2.4+.  Unfortunately, it doesn't work for older	*/
 /* versions.  Thanks to Jakub Jelinek for most of the code.	*/
 
-# if defined(LINUX) /* Are others OK here, too? */ \
+# if (defined(LINUX) || defined (__GLIBC__)) /* Are others OK here, too? */ \
      && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
          || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))