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| author | Hans Boehm <Hans_Boehm@hp.com> | 2002-04-09 00:39:16 +0000 |
|---|---|---|
| committer | Hans Boehm <hboehm@gcc.gnu.org> | 2002-04-09 00:39:16 +0000 |
| commit | 787bf7e377c15754ff9f0670dbeb037125faad7d (patch) | |
| tree | 0f43ea46e4d334b0f5b6be281db4806e87434993 /boehm-gc/doc | |
| parent | cc382e5c1af3b867867cde8f906ae9fbfc9ac105 (diff) | |
| download | gcc-787bf7e377c15754ff9f0670dbeb037125faad7d.zip gcc-787bf7e377c15754ff9f0670dbeb037125faad7d.tar.gz gcc-787bf7e377c15754ff9f0670dbeb037125faad7d.tar.bz2 | |
gc_priv.h (WARN macro): Add "GC warning:" prefix.
* include/private/gc_priv.h (WARN macro): Add "GC warning:" prefix.
(GC_large_alloc_warn_interval, GC_large_alloc_warn_suppressed):
declare.
* allchblk.c (GC_allchblk_nth): Change text and support reduced
frequency for blacklist warning message.
* misc.c (GC_large_alloc_warn_interval,
GC_large_alloc_warn_suppressed): define.
(GC_init_inner): Check GC_NO_BLACKLIST_WARNING and
GC_LARGE_ALLOC_WARN_INTERVAL environment variables.
* doc/README.environment (GC_NO_BLACKLIST_WARNING): Deprecate.
(GC_LARGE_ALLOC_WARN_INTERVAL): Add documentation.
* dyn_load.c (_DYNAMIC): Move declaration to file scope.
From-SVN: r52053
Diffstat (limited to 'boehm-gc/doc')
| -rw-r--r-- | boehm-gc/doc/README.environment | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/boehm-gc/doc/README.environment b/boehm-gc/doc/README.environment index 6b25af1..c7daddb 100644 --- a/boehm-gc/doc/README.environment +++ b/boehm-gc/doc/README.environment @@ -30,7 +30,16 @@ GC_NPROCS=<n> - Linux w/threads only. Explicitly sets the number of processors correctness, but may lead to really horrible performance. GC_NO_BLACKLIST_WARNING - Prevents the collector from issuing - "Needed to allocate blacklisted block at ..." warnings. + warnings about allocations of very large blocks. + Deprecated. Use GC_LARGE_ALLOC_WARN_INTERVAL instead. + +GC_LARGE_ALLOC_WARN_INTERVAL=<n> - Print every nth warning about very large + block allocations, starting with the nth one. Small values + of n are generally benign, in that a bounded number of + such warnings generally indicate at most a bounded leak. + For best results it should be set at 1 during testing. + Default is 5. Very large numbers effectively disable the + warning. GC_IGNORE_GCJ_INFO - Ignore the type descriptors implicitly supplied by GC_gcj_malloc and friends. This is useful for debugging |