diff options
Diffstat (limited to 'src/chunk_dss.c')
| -rw-r--r-- | src/chunk_dss.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/chunk_dss.c b/src/chunk_dss.c index 2d68e48..24781cc 100644 --- a/src/chunk_dss.c +++ b/src/chunk_dss.c @@ -3,6 +3,16 @@ /******************************************************************************/ /* Data. */ +const char *dss_prec_names[] = { + "disabled", + "primary", + "secondary", + "N/A" +}; + +/* Current dss precedence default, used when creating new arenas. */ +static dss_prec_t dss_prec_default = DSS_PREC_DEFAULT; + /* * Protects sbrk() calls. This avoids malloc races among threads, though it * does not protect against races with threads that call sbrk() directly. @@ -29,6 +39,31 @@ sbrk(intptr_t increment) } #endif +dss_prec_t +chunk_dss_prec_get(void) +{ + dss_prec_t ret; + + if (config_dss == false) + return (dss_prec_disabled); + malloc_mutex_lock(&dss_mtx); + ret = dss_prec_default; + malloc_mutex_unlock(&dss_mtx); + return (ret); +} + +bool +chunk_dss_prec_set(dss_prec_t dss_prec) +{ + + if (config_dss == false) + return (true); + malloc_mutex_lock(&dss_mtx); + dss_prec_default = dss_prec; + malloc_mutex_unlock(&dss_mtx); + return (false); +} + void * chunk_alloc_dss(size_t size, size_t alignment, bool *zero) { @@ -88,7 +123,7 @@ chunk_alloc_dss(size_t size, size_t alignment, bool *zero) dss_max = dss_next; malloc_mutex_unlock(&dss_mtx); if (cpad_size != 0) - chunk_dealloc(cpad, cpad_size, true); + chunk_unmap(cpad, cpad_size); if (*zero) { VALGRIND_MAKE_MEM_UNDEFINED(ret, size); memset(ret, 0, size); |