project-base/server-skynet-source-3rd-jemalloc
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Take background thread lock when setting extent hooks.

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This commit is contained in:
Qi Wang
2017-06-02 16:27:05 -07:00
committed by Qi Wang
parent 530c07a45b
commit 3a813946fb
3 changed files with 15 additions and 4 deletions
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2
src/ctl.c
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@@ -2154,7 +2154,7 @@ arena_i_extent_hooks_ctl(tsd_t *tsd, const size_t *mib, size_t miblen,
extent_hooks_t *new_extent_hooks
JEMALLOC_CC_SILENCE_INIT(NULL);
WRITE(new_extent_hooks, extent_hooks_t *);
old_extent_hooks = extent_hooks_set(arena,
old_extent_hooks = extent_hooks_set(tsd, arena,
new_extent_hooks);
READ(old_extent_hooks, extent_hooks_t *);
} else {

14
src/extent.c
View File

@@ -197,8 +197,18 @@ extent_hooks_get(arena_t *arena) {
}
extent_hooks_t *
extent_hooks_set(arena_t *arena, extent_hooks_t *extent_hooks) {
return base_extent_hooks_set(arena->base, extent_hooks);
extent_hooks_set(tsd_t *tsd, arena_t *arena, extent_hooks_t *extent_hooks) {
background_thread_info_t *info;
if (have_background_thread) {
info = arena_background_thread_info_get(arena);
malloc_mutex_lock(tsd_tsdn(tsd), &info->mtx);
}
extent_hooks_t *ret = base_extent_hooks_set(arena->base, extent_hooks);
if (have_background_thread) {
malloc_mutex_unlock(tsd_tsdn(tsd), &info->mtx);
}
return ret;
}
static void