2007-05-10 Hans Boehm <Hans.Boehm@hp.com>

	* include/gc_cpp.h: Documentation updates.
	* include/gc_config_macros.h: Don't check for __ppc__ to set
	DARWIN_THREADS.
	* Makefile.am: Include configure_atomic_ops.sh in dist.
	* Makefile.in: Regenerate.

diff --git a/ChangeLog b/ChangeLog
index 6f4dac3..e7685c7 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2007-05-10  Hans Boehm <Hans.Boehm@hp.com>
+
+       * include/gc_cpp.h: Documentation updates.
+       * include/gc_config_macros.h: Don't check for __ppc__ to set
+       DARWIN_THREADS.
+       * Makefile.am: Include configure_atomic_ops.sh in dist.
+       * Makefile.in: Regenerate.
+
 2007-05-08  Hans Boehm <Hans.Boehm@hp.com>
 
        * Makefile.am: Dont distribute copied atomic_ops files.  Include

diff --git a/Makefile.am b/Makefile.am
index 16dc814..e143e43 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -175,7 +175,7 @@ EXTRA_DIST += README.QUICK
 EXTRA_DIST += BCC_MAKEFILE NT_MAKEFILE NT_THREADS_MAKEFILE \
     OS2_MAKEFILE PCR-Makefile digimars.mak EMX_MAKEFILE        \
     Makefile.direct Makefile.dj        Makefile.DLLs SMakefile.amiga \
-    WCC_MAKEFILE
+    WCC_MAKEFILE configure_atomic_ops.sh
 
 # files used by makefiles other than Makefile.am
 #

diff --git a/Makefile.in b/Makefile.in
index 877026f..f56a45b 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -453,10 +453,10 @@ EXTRA_DIST = cord/cordbscs.c cord/cordtest.c cord/de.c cord/cordprnt.c \
        BCC_MAKEFILE NT_MAKEFILE NT_THREADS_MAKEFILE OS2_MAKEFILE \
        PCR-Makefile digimars.mak EMX_MAKEFILE Makefile.direct \
        Makefile.dj Makefile.DLLs SMakefile.amiga WCC_MAKEFILE \
-       add_gc_prefix.c gcname.c if_mach.c if_not_there.c \
-       hpux_test_and_clear.s gc.mak MacOS.c MacProjects.sit.hqx \
-       mach_dep.c setjmp_t.c threadlibs.c AmigaOS.c \
-       Mac_files/datastart.c Mac_files/dataend.c \
+       configure_atomic_ops.sh add_gc_prefix.c gcname.c if_mach.c \
+       if_not_there.c hpux_test_and_clear.s gc.mak MacOS.c \
+       MacProjects.sit.hqx mach_dep.c setjmp_t.c threadlibs.c \
+       AmigaOS.c Mac_files/datastart.c Mac_files/dataend.c \
        Mac_files/MacOS_config.h Mac_files/MacOS_Test_config.h \
        include/private/msvc_dbg.h msvc_dbg.c libatomic_ops-1.2 \
        libtool.m4

diff --git a/include/gc_config_macros.h b/include/gc_config_macros.h
index a46deb0..d73893f 100644 (file)
--- a/include/gc_config_macros.h
+++ b/include/gc_config_macros.h
@@ -92,8 +92,7 @@
 #   define GC_SOLARIS_THREADS
 #   define GC_PTHREADS
 # endif
-
-# if defined(__APPLE__) && defined(__MACH__) && defined(__ppc__)
+# if defined(__APPLE__) && defined(__MACH__)
 #   define GC_DARWIN_THREADS
 #   define GC_PTHREADS
 # endif

diff --git a/include/gc_cpp.h b/include/gc_cpp.h
index da2fac0..d3df211 100644 (file)
--- a/include/gc_cpp.h
+++ b/include/gc_cpp.h
@@ -48,6 +48,12 @@ using the NoGC placement:
     class A: public gc {...};
     A* a = new (NoGC) A;   // a is uncollectable.
 
+The new(PointerFreeGC) syntax allows the allocation of collectable
+objects that are not scanned by the collector.  This useful if you
+are allocating compressed data, bitmaps, or network packets.  (In
+the latter case, it may remove danger of unfriendly network packets
+intentionally containing values that cause spurious memory retention.)
+
 Both uncollectable and collectable objects can be explicitly deleted
 with "delete", which invokes an object's destructors and frees its
 storage immediately.
@@ -80,7 +86,8 @@ objects.  In practice, it finds almost all of them.
 
 Cautions:
 
-1. Be sure the collector has been augmented with "make c++".
+1. Be sure the collector has been augmented with "make c++" or
+"--enable-cplusplus".
 
 2.  If your compiler supports the new "operator new[]" syntax, then
 add -DGC_OPERATOR_NEW_ARRAY to the Makefile.
@@ -111,7 +118,7 @@ clean-up function:
 that preserves the correct exception semantics requires a language
 extension, e.g. the "gc" keyword.)
 
-4. Compiler bugs:
+4. Compiler bugs (now hopefully history):
 
 * Solaris 2's CC (SC3.0) doesn't implement t->~T() correctly, so the
 destructors of classes derived from gc_cleanup won't be invoked.