diff options
Diffstat (limited to 'linuxthreads/manager.c')
| -rw-r--r-- | linuxthreads/manager.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c index 08bf467..cb9c33e 100644 --- a/linuxthreads/manager.c +++ b/linuxthreads/manager.c @@ -334,7 +334,8 @@ static int pthread_allocate_stack(const pthread_attr_t *attr, char ** out_new_thread, char ** out_new_thread_bottom, char ** out_guardaddr, - size_t * out_guardsize) + size_t * out_guardsize, + size_t * out_stacksize) { pthread_descr new_thread; char * new_thread_bottom; @@ -388,6 +389,7 @@ static int pthread_allocate_stack(const pthread_attr_t *attr, /* Clear the thread data structure. */ memset (new_thread, '\0', sizeof (*new_thread)); #endif + stacksize = attr->__stacksize; } else { @@ -559,6 +561,11 @@ static int pthread_allocate_stack(const pthread_attr_t *attr, *out_new_thread_bottom = new_thread_bottom; *out_guardaddr = guardaddr; *out_guardsize = guardsize; +#ifdef NEED_SEPARATE_REGISTER_STACK + *out_stacksize = stacksize / 2; +#else + *out_stacksize = stacksize; +#endif return 0; } @@ -575,7 +582,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, char * new_thread_bottom; pthread_t new_thread_id; char *guardaddr = NULL; - size_t guardsize = 0; + size_t guardsize = 0, stksize = 0; int pagesize = __getpagesize(); int saved_errno = 0; @@ -608,7 +615,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, continue; if (pthread_allocate_stack(attr, thread_segment(sseg), pagesize, &stack_addr, &new_thread_bottom, - &guardaddr, &guardsize) == 0) + &guardaddr, &guardsize, &stksize) == 0) { #ifdef USE_TLS new_thread->p_stackaddr = stack_addr; @@ -639,6 +646,8 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr, new_thread->p_guardsize = guardsize; new_thread->p_nr = sseg; new_thread->p_inheritsched = attr ? attr->__inheritsched : 0; + new_thread->p_alloca_cutoff = stksize / 4 > __MAX_ALLOCA_CUTOFF + ? __MAX_ALLOCA_CUTOFF : stksize / 4; /* Initialize the thread handle */ __pthread_init_lock(&__pthread_handles[sseg].h_lock); __pthread_handles[sseg].h_descr = new_thread; |