ARGOBOTS
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49 ABTI_UB_ASSERT(ABTI_initialized());
50 ABTI_UB_ASSERT(newbarrier);
52 #ifndef ABT_CONFIG_ENABLE_VER_20_API
57 ABTI_barrier *p_newbarrier;
59 size_t arg_num_waiters = num_waiters;
61 abt_errno =
ABTU_malloc(
sizeof(ABTI_barrier), (
void **)&p_newbarrier);
62 ABTI_CHECK_ERROR(abt_errno);
64 ABTD_spinlock_clear(&p_newbarrier>lock);
65 p_newbarrier>num_waiters = arg_num_waiters;
66 p_newbarrier>counter = 0;
67 ABTI_waitlist_init(&p_newbarrier>waitlist);
69 *newbarrier = ABTI_barrier_get_handle(p_newbarrier);
104 ABTI_UB_ASSERT(ABTI_initialized());
106 ABTI_barrier *p_barrier = ABTI_barrier_get_ptr(barrier);
107 ABTI_CHECK_NULL_BARRIER_PTR(p_barrier);
108 ABTI_UB_ASSERT(p_barrier>counter == 0);
110 size_t arg_num_waiters = num_waiters;
114 if (arg_num_waiters != p_barrier>num_waiters) {
116 p_barrier>num_waiters = arg_num_waiters;
146 ABTI_UB_ASSERT(ABTI_initialized());
147 ABTI_UB_ASSERT(barrier);
150 ABTI_barrier *p_barrier = ABTI_barrier_get_ptr(h_barrier);
151 ABTI_CHECK_NULL_BARRIER_PTR(p_barrier);
156 ABTD_spinlock_acquire(&p_barrier>lock);
159 ABTI_UB_ASSERT(p_barrier>counter == 0);
199 ABTI_UB_ASSERT(ABTI_initialized());
201 ABTI_local *p_local = ABTI_local_get_local();
202 ABTI_barrier *p_barrier = ABTI_barrier_get_ptr(barrier);
203 ABTI_CHECK_NULL_BARRIER_PTR(p_barrier);
205 #ifndef ABT_CONFIG_ENABLE_VER_20_API
207 if (ABTI_IS_ERROR_CHECK_ENABLED && p_local) {
208 ABTI_xstream *p_local_xstream = ABTI_local_get_xstream(p_local);
209 ABTI_CHECK_TRUE(p_local_xstream>p_thread>type &
210 ABTI_THREAD_TYPE_YIELDABLE,
215 ABTD_spinlock_acquire(&p_barrier>lock);
217 ABTI_ASSERT(p_barrier>counter < p_barrier>num_waiters);
218 p_barrier>counter++;
221 if (p_barrier>counter < p_barrier>num_waiters) {
222 ABTI_waitlist_wait_and_unlock(&p_local, &p_barrier>waitlist,
227 ABTI_waitlist_broadcast(p_local, &p_barrier>waitlist);
229 p_barrier>counter = 0;
230 ABTD_spinlock_release(&p_barrier>lock);
260 ABTI_UB_ASSERT(ABTI_initialized());
261 ABTI_UB_ASSERT(num_waiters);
263 ABTI_barrier *p_barrier = ABTI_barrier_get_ptr(barrier);
264 ABTI_CHECK_NULL_BARRIER_PTR(p_barrier);
266 *num_waiters = p_barrier>num_waiters;
#define ABT_ERR_BARRIER
Error code: error related to a barrier.
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struct ABT_barrier_opaque * ABT_barrier
Barrier handle type.
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static ABTU_ret_err int ABTU_malloc(size_t size, void **p_ptr)
int ABT_barrier_free(ABT_barrier *barrier)
Free a barrier.
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#define ABT_SUCCESS
Error code: the routine returns successfully.
#define ABT_ERR_INV_ARG
Error code: invalid user argument.
static void ABTU_free(void *ptr)
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int ABT_barrier_reinit(ABT_barrier barrier, uint32_t num_waiters)
Reinitialize a barrier with a new number of waiters.
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int ABT_barrier_create(uint32_t num_waiters, ABT_barrier *newbarrier)
Create a new barrier.
int ABT_barrier_wait(ABT_barrier barrier)
Wait on a barrier.
int ABT_barrier_get_num_waiters(ABT_barrier barrier, uint32_t *num_waiters)
Get the number of waiters of a barrier.