static int
arena_i_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
READONLY();
WRITEONLY();
malloc_mutex_lock(&ctl_mtx);
arena_purge(mib[1]);
malloc_mutex_unlock(&ctl_mtx);
ret = 0;
label_return:
return (ret);
}
static int
thread_tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp,
size_t *oldlenp, void *newp, size_t newlen)
{
int ret;
if (config_tcache == false)
return (ENOENT);
READONLY();
WRITEONLY();
tcache_flush();
ret = 0;
label_return:
return (ret);
}
static int
prof_dump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
const char *filename = NULL;
WRITEONLY();
WRITE(filename, const char *);
if (prof_mdump(filename)) {
ret = EFAULT;
goto RETURN;
}
ret = 0;
RETURN:
return (ret);
}
static int
prof_dump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
const char *filename = NULL;
if (config_prof == false)
return (ENOENT);
WRITEONLY();
WRITE(filename, const char *);
if (prof_mdump(filename)) {
ret = EFAULT;
goto label_return;
}
ret = 0;
label_return:
return (ret);
}
static int
arenas_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
unsigned arena;
WRITEONLY();
arena = UINT_MAX;
WRITE(arena, unsigned);
if (newp != NULL && arena >= narenas) {
ret = EFAULT;
goto label_return;
} else {
VARIABLE_ARRAY(arena_t *, tarenas, narenas);
malloc_mutex_lock(&arenas_lock);
memcpy(tarenas, arenas, sizeof(arena_t *) * narenas);
malloc_mutex_unlock(&arenas_lock);
if (arena == UINT_MAX) {
unsigned i;
for (i = 0; i < narenas; i++) {
if (tarenas[i] != NULL)
arena_purge_all(tarenas[i]);
}
} else {
assert(arena < narenas);
if (tarenas[arena] != NULL)
arena_purge_all(tarenas[arena]);
}
}
ret = 0;
label_return:
return (ret);
}
static int
arenas_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp,
void *newp, size_t newlen)
{
int ret;
unsigned arena_ind;
malloc_mutex_lock(&ctl_mtx);
WRITEONLY();
arena_ind = UINT_MAX;
WRITE(arena_ind, unsigned);
if (newp != NULL && arena_ind >= ctl_stats.narenas)
ret = EFAULT;
else {
if (arena_ind == UINT_MAX)
arena_ind = ctl_stats.narenas;
arena_purge(arena_ind);
ret = 0;
}
label_return:
malloc_mutex_unlock(&ctl_mtx);
return (ret);
}
