diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2005-03-08 00:44:05 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-03-08 00:44:05 +0000 |
| commit | a5a33449fb4b947c681968834b380cbc374018bb (patch) | |
| tree | 16dac25d1ad7ef11a0828ce241f2da553c89841a /malloc | |
| parent | 7511232436f31d007797c7d7bd4950e1d14842d2 (diff) | |
| download | glibc-a5a33449fb4b947c681968834b380cbc374018bb.zip glibc-a5a33449fb4b947c681968834b380cbc374018bb.tar.gz glibc-a5a33449fb4b947c681968834b380cbc374018bb.tar.bz2 | |
(ptmalloc_init): Recognize MALLOC_PERTURB_ and call mallopt appropriately.
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/arena.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/malloc/arena.c b/malloc/arena.c index 8202aaf..8db2559 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -482,8 +482,13 @@ ptmalloc_init (void) s = &envline[7]; break; case 8: - if (! secure && memcmp (envline, "TOP_PAD_", 8) == 0) - mALLOPt(M_TOP_PAD, atoi(&envline[9])); + if (! secure) + { + if (memcmp (envline, "TOP_PAD_", 8) == 0) + mALLOPt(M_TOP_PAD, atoi(&envline[9])); + else if (memcmp (envline, "PERTURB_", 8) == 0) + mALLOPt(M_PERTURB, atoi(&envline[9])); + } break; case 9: if (! secure && memcmp (envline, "MMAP_MAX_", 9) == 0) @@ -510,6 +515,8 @@ ptmalloc_init (void) mALLOPt(M_TRIM_THRESHOLD, atoi(s)); if((s = getenv("MALLOC_TOP_PAD_"))) mALLOPt(M_TOP_PAD, atoi(s)); + if((s = getenv("MALLOC_PERTURB_"))) + mALLOPt(M_PERTURB, atoi(s)); if((s = getenv("MALLOC_MMAP_THRESHOLD_"))) mALLOPt(M_MMAP_THRESHOLD, atoi(s)); if((s = getenv("MALLOC_MMAP_MAX_"))) |