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| author | Garrett Cooper <yanegomi@gmail.com> | 2012-12-03 01:56:25 (GMT) |
|---|---|---|
| committer | Jason Evans <jasone@canonware.com> | 2012-12-24 18:30:57 (GMT) |
| commit | 6e6164ae159d9c3bd4f44bd2cba6fc3237687c80 (patch) | |
| tree | 1a0ffba50417bed87300ce80c5b774216d860a6b /src/jemalloc.c | |
| parent | 5135e34062584f67ae2d12b1f3940a9fad32ca9f (diff) | |
| download | jemalloc-6e6164ae159d9c3bd4f44bd2cba6fc3237687c80.zip jemalloc-6e6164ae159d9c3bd4f44bd2cba6fc3237687c80.tar.gz jemalloc-6e6164ae159d9c3bd4f44bd2cba6fc3237687c80.tar.bz2 | |
Don't mangle errno with free(3) if utrace(2) fails
This ensures POLA on FreeBSD (at least) as free(3) is generally assumed
to not fiddle around with errno.
Signed-off-by: Garrett Cooper <yanegomi@gmail.com>
Diffstat (limited to 'src/jemalloc.c')
| -rw-r--r-- | src/jemalloc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/jemalloc.c b/src/jemalloc.c index cecd012..ec88700 100644 --- a/src/jemalloc.c +++ b/src/jemalloc.c @@ -83,11 +83,13 @@ typedef struct { #ifdef JEMALLOC_UTRACE # define UTRACE(a, b, c) do { \ if (opt_utrace) { \ + int utrace_serrno = errno; \ malloc_utrace_t ut; \ ut.p = (a); \ ut.s = (b); \ ut.r = (c); \ utrace(&ut, sizeof(ut)); \ + errno = utrace_serrno; \ } \ } while (0) #else |