-weak_alias(dummy_0, __rsyscall_lock);
-weak_alias(dummy_0, __rsyscall_unlock);
+weak_alias(dummy_0, __synccall_lock);
+weak_alias(dummy_0, __synccall_unlock);
weak_alias(dummy_0, __pthread_tsd_run_dtors);
#ifdef __pthread_unwind_next
weak_alias(dummy_0, __pthread_tsd_run_dtors);
#ifdef __pthread_unwind_next
do n = libc.threads_minus_1;
while (n && a_cas(&libc.threads_minus_1, n, n-1)!=n);
do n = libc.threads_minus_1;
while (n && a_cas(&libc.threads_minus_1, n, n-1)!=n);
int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(void *), void *arg)
{
int ret;
int pthread_create(pthread_t *res, const pthread_attr_t *attr, void *(*entry)(void *), void *arg)
{
int ret;
struct pthread *self = pthread_self(), *new;
unsigned char *map, *stack, *tsd;
struct pthread *self = pthread_self(), *new;
unsigned char *map, *stack, *tsd;
- if (!attr) attr = &default_attr;
- guard = ROUND(attr->_a_guardsize + DEFAULT_GUARD_SIZE);
- size = guard + ROUND(attr->_a_stacksize + DEFAULT_STACK_SIZE);
+ if (attr) {
+ guard = ROUND(attr->_a_guardsize + DEFAULT_GUARD_SIZE);
+ size = guard + ROUND(attr->_a_stacksize + DEFAULT_STACK_SIZE);
+ }
size += __pthread_tsd_size;
map = mmap(0, size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, -1, 0);
if (!map) return EAGAIN;
size += __pthread_tsd_size;
map = mmap(0, size, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_ANON, -1, 0);
if (!map) return EAGAIN;
new->unblock_cancel = self->cancel;
memcpy(new->tlsdesc, self->tlsdesc, sizeof new->tlsdesc);
new->tlsdesc[1] = (uintptr_t)new;
stack = (void *)((uintptr_t)new-1 & ~(uintptr_t)15);
new->unblock_cancel = self->cancel;
memcpy(new->tlsdesc, self->tlsdesc, sizeof new->tlsdesc);
new->tlsdesc[1] = (uintptr_t)new;
stack = (void *)((uintptr_t)new-1 & ~(uintptr_t)15);
a_inc(&libc.threads_minus_1);
ret = __uniclone(stack, start, new);
a_inc(&libc.threads_minus_1);
ret = __uniclone(stack, start, new);