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Refactor/fix background_thread/percpu_arena bootstrapping.

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Refactor bootstrapping such that dlsym() is called during the
bootstrapping phase that can tolerate reentrant allocation.
This commit is contained in:
Jason Evans
2017-05-31 16:45:14 -07:00
parent 596b479d83
commit b511232fcd
12 changed files with 161 additions and 124 deletions
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12
src/mutex.c
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@@ -27,21 +27,11 @@ static malloc_mutex_t *postponed_mutexes = NULL;
*/
#if defined(JEMALLOC_LAZY_LOCK) && !defined(_WIN32)
static void
pthread_create_once(void) {
pthread_create_fptr = load_pthread_create_fptr();
assert(isthreaded);
}
JEMALLOC_EXPORT int
pthread_create(pthread_t *__restrict thread,
const pthread_attr_t *__restrict attr, void *(*start_routine)(void *),
void *__restrict arg) {
static pthread_once_t once_control = PTHREAD_ONCE_INIT;
pthread_once(&once_control, pthread_create_once);
return pthread_create_fptr(thread, attr, start_routine, arg);
return pthread_create_wrapper(thread, attr, start_routine, arg);
}
#endif