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| author | bryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-13 23:05:36 +0000 |
|---|---|---|
| committer | bryce <bryce@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-13 23:05:36 +0000 |
| commit | e08a5204e5f7a3c3a15588de39202f9579ba0e79 (patch) | |
| tree | 863181355c9339e1361dad10263a322aaabe426e /boehm-gc/finalize.c | |
| parent | 7cde58555127f31ba0a5b2a222c81d160e7168e9 (diff) | |
| download | gcc-e08a5204e5f7a3c3a15588de39202f9579ba0e79.tar.gz | |
libjava:
2004-08-13 Bryce McKinlay <mckinlay@redhat.com>
* configure.in (GCINCS): Don't use "boehm-cflags". Instead, -I
boehm-gc's include dirs.
* configure: Rebuilt.
* include/boehm-gc.h: Include gc_config.h.
boehm-gc:
2004-08-13 Bryce McKinlay <mckinlay@redhat.com>
* configure.ac (gc_cflags): Add -Iinclude.
(AC_CONFIG_HEADERS): New. Configure gc_config.h header.
Don't write DEFS to boehm-cflags file.
* configure: Rebuilt.
* gcj_mlc.c: Check #ifdef GC_GCJ_SUPPORT after including headers.
* specific.c: Check #ifdef GC_LINUX_THREADS after including headers.
* include/gc_config_macros.h: Remove backward-compatibility
redefinitions of GC_ names.
* include/gc.h: Include <gc_config.h>.
2004-08-13 Bryce McKinlay <mckinlay@redhat.com>
Import Boehm GC version 6.3.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85972 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'boehm-gc/finalize.c')
| -rw-r--r-- | boehm-gc/finalize.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/boehm-gc/finalize.c b/boehm-gc/finalize.c index 3b9d9f5ea1e..e103228c2af 100644 --- a/boehm-gc/finalize.c +++ b/boehm-gc/finalize.c @@ -807,8 +807,37 @@ void (* GC_finalizer_notifier)() = (void (*) GC_PROTO((void)))0; static GC_word last_finalizer_notification = 0; +#ifdef KEEP_BACK_PTRS +void GC_generate_random_backtrace_no_gc(void); +#endif + void GC_notify_or_invoke_finalizers GC_PROTO((void)) { + /* This is a convenient place to generate backtraces if appropriate, */ + /* since that code is not callable with the allocation lock. */ +# ifdef KEEP_BACK_PTRS + if (GC_backtraces > 0) { + static word last_back_trace_gc_no = 3; /* Skip early ones. */ + long i; + + LOCK(); + if (GC_gc_no > last_back_trace_gc_no) { + /* Stops when GC_gc_no wraps; that's OK. */ + last_back_trace_gc_no = (word)(-1); /* disable others. */ + for (i = 0; i < GC_backtraces; ++i) { + /* FIXME: This tolerates concurrent heap mutation, */ + /* which may cause occasional mysterious results. */ + /* We need to release the GC lock, since GC_print_callers */ + /* acquires it. It probably shouldn't. */ + UNLOCK(); + GC_generate_random_backtrace_no_gc(); + LOCK(); + } + last_back_trace_gc_no = GC_gc_no; + } + UNLOCK(); + } +# endif if (GC_finalize_now == 0) return; if (!GC_finalize_on_demand) { (void) GC_invoke_finalizers(); |