void
__thr_pshared_init(void)
{
int i;
_thr_urwlock_init(&pshared_lock);
for (i = 0; i < HASH_SIZE; i++)
LIST_INIT(&pshared_hash[i]);
}
static void
init_private(void)
{
size_t len;
int mib[2];
char *env;
_thr_umutex_init(&_mutex_static_lock);
_thr_umutex_init(&_cond_static_lock);
_thr_umutex_init(&_rwlock_static_lock);
_thr_umutex_init(&_keytable_lock);
_thr_urwlock_init(&_thr_atfork_lock);
_thr_umutex_init(&_thr_event_lock);
_thr_once_init();
_thr_spinlock_init();
_thr_list_init();
_thr_wake_addr_init();
_sleepq_init();
/*
* Avoid reinitializing some things if they don't need to be,
* e.g. after a fork().
*/
if (init_once == 0) {
/* Find the stack top */
mib[0] = CTL_KERN;
mib[1] = KERN_USRSTACK;
len = sizeof (_usrstack);
if (sysctl(mib, 2, &_usrstack, &len, NULL, 0) == -1)
PANIC("Cannot get kern.usrstack from sysctl");
len = sizeof(_thr_is_smp);
sysctlbyname("kern.smp.cpus", &_thr_is_smp, &len, NULL, 0);
_thr_is_smp = (_thr_is_smp > 1);
_thr_page_size = getpagesize();
_thr_guard_default = _thr_page_size;
_pthread_attr_default.guardsize_attr = _thr_guard_default;
_pthread_attr_default.stacksize_attr = _thr_stack_default;
env = getenv("LIBPTHREAD_SPINLOOPS");
if (env)
_thr_spinloops = atoi(env);
env = getenv("LIBPTHREAD_YIELDLOOPS");
if (env)
_thr_yieldloops = atoi(env);
env = getenv("LIBPTHREAD_QUEUE_FIFO");
if (env)
_thr_queuefifo = atoi(env);
TAILQ_INIT(&_thr_atfork_list);
}
init_once = 1;
}
static void
init_private(void)
{
struct rlimit rlim;
size_t len;
int mib[2];
char *env, *env_bigstack, *env_splitstack;
_thr_umutex_init(&_mutex_static_lock);
_thr_umutex_init(&_cond_static_lock);
_thr_umutex_init(&_rwlock_static_lock);
_thr_umutex_init(&_keytable_lock);
_thr_urwlock_init(&_thr_atfork_lock);
_thr_umutex_init(&_thr_event_lock);
_thr_umutex_init(&_suspend_all_lock);
_thr_spinlock_init();
_thr_list_init();
_thr_wake_addr_init();
_sleepq_init();
_single_thread = NULL;
_suspend_all_waiters = 0;
/*
* Avoid reinitializing some things if they don't need to be,
* e.g. after a fork().
*/
if (init_once == 0) {
__thr_pshared_init();
/* Find the stack top */
mib[0] = CTL_KERN;
mib[1] = KERN_USRSTACK;
len = sizeof (_usrstack);
if (sysctl(mib, 2, &_usrstack, &len, NULL, 0) == -1)
PANIC("Cannot get kern.usrstack from sysctl");
env_bigstack = getenv("LIBPTHREAD_BIGSTACK_MAIN");
env_splitstack = getenv("LIBPTHREAD_SPLITSTACK_MAIN");
if (env_bigstack != NULL || env_splitstack == NULL) {
if (getrlimit(RLIMIT_STACK, &rlim) == -1)
PANIC("Cannot get stack rlimit");
_thr_stack_initial = rlim.rlim_cur;
}
len = sizeof(_thr_is_smp);
sysctlbyname("kern.smp.cpus", &_thr_is_smp, &len, NULL, 0);
_thr_is_smp = (_thr_is_smp > 1);
_thr_page_size = getpagesize();
_thr_guard_default = _thr_page_size;
_pthread_attr_default.guardsize_attr = _thr_guard_default;
_pthread_attr_default.stacksize_attr = _thr_stack_default;
env = getenv("LIBPTHREAD_SPINLOOPS");
if (env)
_thr_spinloops = atoi(env);
env = getenv("LIBPTHREAD_YIELDLOOPS");
if (env)
_thr_yieldloops = atoi(env);
env = getenv("LIBPTHREAD_QUEUE_FIFO");
if (env)
_thr_queuefifo = atoi(env);
TAILQ_INIT(&_thr_atfork_list);
}
init_once = 1;
}
