/*!
See @ref __kmpc_for_static_init_4
*/
void __kmpc_for_static_init_8(ident_t *loc, kmp_int32 gtid, kmp_int32 schedtype,
kmp_int32 *plastiter, kmp_int64 *plower,
kmp_int64 *pupper, kmp_int64 *pstride,
kmp_int64 incr, kmp_int64 chunk) {
__kmp_for_static_init<kmp_int64>(loc, gtid, schedtype, plastiter, plower,
pupper, pstride, incr, chunk
#if OMPT_SUPPORT && OMPT_OPTIONAL
,
OMPT_GET_RETURN_ADDRESS(0)
#endif
);
}
/*!
@ingroup CANCELLATION
@param loc_ref location of the original task directive
@param gtid Global thread ID of encountering thread
@param cncl_kind Cancellation kind (parallel, for, sections, taskgroup)
@return returns true if the cancellation request has been activated and the
execution thread needs to proceed to the end of the canceled region.
Request cancellation of the binding OpenMP region.
*/
kmp_int32 __kmpc_cancel(ident_t *loc_ref, kmp_int32 gtid, kmp_int32 cncl_kind) {
kmp_info_t *this_thr = __kmp_threads[gtid];
KC_TRACE(10, ("__kmpc_cancel: T#%d request %d OMP_CANCELLATION=%d\n", gtid,
cncl_kind, __kmp_omp_cancellation));
KMP_DEBUG_ASSERT(cncl_kind != cancel_noreq);
KMP_DEBUG_ASSERT(cncl_kind == cancel_parallel || cncl_kind == cancel_loop ||
cncl_kind == cancel_sections ||
cncl_kind == cancel_taskgroup);
KMP_DEBUG_ASSERT(__kmp_get_gtid() == gtid);
if (__kmp_omp_cancellation) {
switch (cncl_kind) {
case cancel_parallel:
case cancel_loop:
case cancel_sections:
// cancellation requests for parallel and worksharing constructs
// are handled through the team structure
{
kmp_team_t *this_team = this_thr->th.th_team;
KMP_DEBUG_ASSERT(this_team);
kmp_int32 old = cancel_noreq;
this_team->t.t_cancel_request.compare_exchange_strong(old, cncl_kind);
if (old == cancel_noreq || old == cncl_kind) {
// we do not have a cancellation request in this team or we do have
// one that matches the current request -> cancel
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.ompt_callback_cancel) {
ompt_data_t *task_data;
__ompt_get_task_info_internal(0, NULL, &task_data, NULL, NULL,
NULL);
ompt_cancel_flag_t type = ompt_cancel_parallel;
if (cncl_kind == cancel_parallel)
type = ompt_cancel_parallel;
else if (cncl_kind == cancel_loop)
type = ompt_cancel_loop;
else if (cncl_kind == cancel_sections)
type = ompt_cancel_sections;
ompt_callbacks.ompt_callback(ompt_callback_cancel)(
task_data, type | ompt_cancel_activated,
OMPT_GET_RETURN_ADDRESS(0));
}
#endif
return 1 /* true */;
}
break;
}
case cancel_taskgroup:
// cancellation requests for a task group
// are handled through the taskgroup structure
{
kmp_taskdata_t *task;
kmp_taskgroup_t *taskgroup;
task = this_thr->th.th_current_task;
KMP_DEBUG_ASSERT(task);
taskgroup = task->td_taskgroup;
if (taskgroup) {
kmp_int32 old = cancel_noreq;
taskgroup->cancel_request.compare_exchange_strong(old, cncl_kind);
if (old == cancel_noreq || old == cncl_kind) {
// we do not have a cancellation request in this taskgroup or we do
// have one that matches the current request -> cancel
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.ompt_callback_cancel) {
ompt_data_t *task_data;
__ompt_get_task_info_internal(0, NULL, &task_data, NULL, NULL,
NULL);
ompt_callbacks.ompt_callback(ompt_callback_cancel)(
task_data, ompt_cancel_taskgroup | ompt_cancel_activated,
OMPT_GET_RETURN_ADDRESS(0));
}
#endif
return 1 /* true */;
}
} else {
// TODO: what needs to happen here?
// the specification disallows cancellation w/o taskgroups
// so we might do anything here, let's abort for now
KMP_ASSERT(0 /* false */);
}
}
break;
default:
KMP_ASSERT(0 /* false */);
}
}
// ICV OMP_CANCELLATION=false, so we ignored this cancel request
KMP_DEBUG_ASSERT(!__kmp_omp_cancellation);
return 0 /* false */;
}
/*!
@ingroup CANCELLATION
@param loc_ref location of the original task directive
@param gtid Global thread ID of encountering thread
@param cncl_kind Cancellation kind (parallel, for, sections, taskgroup)
@return returns true if a matching cancellation request has been flagged in the
RTL and the encountering thread has to cancel..
Cancellation point for the encountering thread.
*/
kmp_int32 __kmpc_cancellationpoint(ident_t *loc_ref, kmp_int32 gtid,
kmp_int32 cncl_kind) {
kmp_info_t *this_thr = __kmp_threads[gtid];
KC_TRACE(10,
("__kmpc_cancellationpoint: T#%d request %d OMP_CANCELLATION=%d\n",
gtid, cncl_kind, __kmp_omp_cancellation));
KMP_DEBUG_ASSERT(cncl_kind != cancel_noreq);
KMP_DEBUG_ASSERT(cncl_kind == cancel_parallel || cncl_kind == cancel_loop ||
cncl_kind == cancel_sections ||
cncl_kind == cancel_taskgroup);
KMP_DEBUG_ASSERT(__kmp_get_gtid() == gtid);
if (__kmp_omp_cancellation) {
switch (cncl_kind) {
case cancel_parallel:
case cancel_loop:
case cancel_sections:
// cancellation requests for parallel and worksharing constructs
// are handled through the team structure
{
kmp_team_t *this_team = this_thr->th.th_team;
KMP_DEBUG_ASSERT(this_team);
if (this_team->t.t_cancel_request) {
if (cncl_kind == this_team->t.t_cancel_request) {
// the request in the team structure matches the type of
// cancellation point so we can cancel
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.ompt_callback_cancel) {
ompt_data_t *task_data;
__ompt_get_task_info_internal(0, NULL, &task_data, NULL, NULL,
NULL);
ompt_cancel_flag_t type = ompt_cancel_parallel;
if (cncl_kind == cancel_parallel)
type = ompt_cancel_parallel;
else if (cncl_kind == cancel_loop)
type = ompt_cancel_loop;
else if (cncl_kind == cancel_sections)
type = ompt_cancel_sections;
ompt_callbacks.ompt_callback(ompt_callback_cancel)(
task_data, type | ompt_cancel_detected,
OMPT_GET_RETURN_ADDRESS(0));
}
#endif
return 1 /* true */;
}
KMP_ASSERT(0 /* false */);
} else {
// we do not have a cancellation request pending, so we just
// ignore this cancellation point
return 0;
}
break;
}
case cancel_taskgroup:
// cancellation requests for a task group
// are handled through the taskgroup structure
{
kmp_taskdata_t *task;
kmp_taskgroup_t *taskgroup;
task = this_thr->th.th_current_task;
KMP_DEBUG_ASSERT(task);
taskgroup = task->td_taskgroup;
if (taskgroup) {
// return the current status of cancellation for the taskgroup
#if OMPT_SUPPORT && OMPT_OPTIONAL
if (ompt_enabled.ompt_callback_cancel &&
!!taskgroup->cancel_request) {
ompt_data_t *task_data;
__ompt_get_task_info_internal(0, NULL, &task_data, NULL, NULL,
NULL);
ompt_callbacks.ompt_callback(ompt_callback_cancel)(
task_data, ompt_cancel_taskgroup | ompt_cancel_detected,
OMPT_GET_RETURN_ADDRESS(0));
}
#endif
return !!taskgroup->cancel_request;
} else {
// if a cancellation point is encountered by a task that does not
// belong to a taskgroup, it is OK to ignore it
return 0 /* false */;
}
}
default:
KMP_ASSERT(0 /* false */);
}
}
// ICV OMP_CANCELLATION=false, so we ignore the cancellation point
KMP_DEBUG_ASSERT(!__kmp_omp_cancellation);
return 0 /* false */;
}
