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trigger early initialization in a conservative way

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This commit is contained in:
Daniel Micay 2018-09-02 19:41:26 -04:00
parent 2ec65306dd
commit 7733047c7b
1 changed files with 6 additions and 0 deletions
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6
malloc.c
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@ -651,6 +651,12 @@ static inline void init(void) {
init_slow_path(); init_slow_path();
} }
// trigger early initialization to set up pthread_atfork and protect state as soon as possible
COLD __attribute__((constructor(101))) static void trigger_early_init(void) {
// avoid calling init directly to skip it if this isn't the malloc implementation
h_free(h_malloc(16));
}
static inline void enforce_init(void) { static inline void enforce_init(void) {
if (!atomic_load_explicit(&ro.initialized, memory_order_acquire)) { if (!atomic_load_explicit(&ro.initialized, memory_order_acquire)) {
fatal_error("invalid uninitialized allocator usage"); fatal_error("invalid uninitialized allocator usage");