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| author | Fabrice Bellard <fabrice@bellard.org> | 2024-01-02 16:08:48 +0100 |
|---|---|---|
| committer | bptato <nincsnevem662@gmail.com> | 2024-01-11 18:40:03 +0100 |
| commit | ef449571b8e9be4eb098369d05fd679b432ba4f6 (patch) | |
| tree | 9a32f1f7cd708b5afb2ccc42a134aa3d47060e9f /lib | |
| parent | 7aa1f7014caa781231eb0d78584b663d081a550a (diff) | |
| download | chawan-ef449571b8e9be4eb098369d05fd679b432ba4f6.tar.gz | |
make JS_NewClassID thread safe
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/quickjs/quickjs.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/quickjs/quickjs.c b/lib/quickjs/quickjs.c index 0a1ea0b0..87859259 100644 --- a/lib/quickjs/quickjs.c +++ b/lib/quickjs/quickjs.c @@ -3388,16 +3388,25 @@ static inline BOOL JS_IsEmptyString(JSValueConst v) /* JSClass support */ +#ifdef CONFIG_ATOMICS +static pthread_mutex_t js_class_id_mutex = PTHREAD_MUTEX_INITIALIZER; +#endif + /* a new class ID is allocated if *pclass_id != 0 */ JSClassID JS_NewClassID(JSClassID *pclass_id) { JSClassID class_id; - /* XXX: make it thread safe */ +#ifdef CONFIG_ATOMICS + pthread_mutex_lock(&js_class_id_mutex); +#endif class_id = *pclass_id; if (class_id == 0) { class_id = js_class_id_alloc++; *pclass_id = class_id; } +#ifdef CONFIG_ATOMICS + pthread_mutex_unlock(&js_class_id_mutex); +#endif return class_id; } |