//
// Copyright 2012 Francisco Jerez
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#include "api/util.hpp"
#include "core/event.hpp"
using namespace clover;
PUBLIC cl_event
clCreateUserEvent(cl_context ctx, cl_int *errcode_ret) try {
if (!ctx)
throw error(CL_INVALID_CONTEXT);
ret_error(errcode_ret, CL_SUCCESS);
return new soft_event(*ctx, {}, false);
} catch(error &e) {
ret_error(errcode_ret, e);
return NULL;
}
PUBLIC cl_int
clSetUserEventStatus(cl_event ev, cl_int status) {
if (!dynamic_cast<soft_event *>(ev))
return CL_INVALID_EVENT;
if (status > 0)
return CL_INVALID_VALUE;
if (ev->status() <= 0)
return CL_INVALID_OPERATION;
if (status)
ev->abort(status);
else
ev->trigger();
return CL_SUCCESS;
}
PUBLIC cl_int
clWaitForEvents(cl_uint num_evs, const cl_event *evs) try {
if (!num_evs || !evs)
throw error(CL_INVALID_VALUE);
std::for_each(evs, evs + num_evs, [&](const cl_event ev) {
if (!ev)
throw error(CL_INVALID_EVENT);
if (&ev->ctx != &evs[0]->ctx)
throw error(CL_INVALID_CONTEXT);
if (ev->status() < 0)
throw error(CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST);
});
// Create a temporary soft event that depends on all the events in
// the wait list
ref_ptr<soft_event> sev = transfer(
new soft_event(evs[0]->ctx, { evs, evs + num_evs }, true));
// ...and wait on it.
sev->wait();
return CL_SUCCESS;
} catch(error &e) {
return e.get();
}
PUBLIC cl_int
clGetEventInfo(cl_event ev, cl_event_info param,
size_t size, void *buf, size_t *size_ret) {
if (!ev)
return CL_INVALID_EVENT;
switch (param) {
case CL_EVENT_COMMAND_QUEUE:
return scalar_property<cl_command_queue>(buf, size, size_ret, ev->queue());
case CL_EVENT_CONTEXT:
return scalar_property<cl_context>(buf, size, size_ret, &ev->ctx);
case CL_EVENT_COMMAND_TYPE:
return scalar_property<cl_command_type>(buf, size, size_ret, ev->command());
case CL_EVENT_COMMAND_EXECUTION_STATUS:
return scalar_property<cl_int>(buf, size, size_ret, ev->status());
case CL_EVENT_REFERENCE_COUNT:
return scalar_property<cl_uint>(buf, size, size_ret, ev->ref_count());
default:
return CL_INVALID_VALUE;
}
}
PUBLIC cl_int
clSetEventCallback(cl_event ev, cl_int type,
void (CL_CALLBACK *pfn_event_notify)(cl_event, cl_int,
void *),
void *user_data) try {
if (!ev)
throw error(CL_INVALID_EVENT);
if (!pfn_event_notify || type != CL_COMPLETE)
throw error(CL_INVALID_VALUE);
// Create a temporary soft event that depends on ev, with
// pfn_event_notify as completion action.
ref_ptr<soft_event> sev = transfer(
new soft_event(ev->ctx, { ev }, true,
[=](event &) {
ev->wait();
pfn_event_notify(ev, ev->status(), user_data);
}));
return CL_SUCCESS;
} catch(error &e) {
return e.get();
}
PUBLIC cl_int
clRetainEvent(cl_event ev) {
if (!ev)
return CL_INVALID_EVENT;
ev->retain();
return CL_SUCCESS;
}
PUBLIC cl_int
clReleaseEvent(cl_event ev) {
if (!ev)
return CL_INVALID_EVENT;
if (ev->release())
delete ev;
return CL_SUCCESS;
}
PUBLIC cl_int
clEnqueueMarker(cl_command_queue q, cl_event *ev) try {
if (!q)
throw error(CL_INVALID_COMMAND_QUEUE);
if (!ev)
throw error(CL_INVALID_VALUE);
*ev = new hard_event(*q, CL_COMMAND_MARKER, {});
return CL_SUCCESS;
} catch(error &e) {
return e.get();
}
PUBLIC cl_int
clEnqueueBarrier(cl_command_queue q) {
if (!q)
return CL_INVALID_COMMAND_QUEUE;
// No need to do anything, q preserves data ordering strictly.
return CL_SUCCESS;
}
PUBLIC cl_int
clEnqueueWaitForEvents(cl_command_queue q, cl_uint num_evs,
const cl_event *evs) try {
if (!q)
throw error(CL_INVALID_COMMAND_QUEUE);
if (!num_evs || !evs)
throw error(CL_INVALID_VALUE);
std::for_each(evs, evs + num_evs, [&](const cl_event ev) {
if (!ev)
throw error(CL_INVALID_EVENT);
if (&ev->ctx != &q->ctx)
throw error(CL_INVALID_CONTEXT);
});
// Create a hard event that depends on the events in the wait list:
// subsequent commands in the same queue will be implicitly
// serialized with respect to it -- hard events always are.
ref_ptr<hard_event> hev = transfer(
new hard_event(*q, 0, { evs, evs + num_evs }));
return CL_SUCCESS;
} catch(error &e) {
return e.get();
}
PUBLIC cl_int
clGetEventProfilingInfo(cl_event ev, cl_profiling_info param,
size_t size, void *buf, size_t *size_ret) {
return CL_PROFILING_INFO_NOT_AVAILABLE;
}
PUBLIC cl_int
clFinish(cl_command_queue q) try {
if (!q)
throw error(CL_INVALID_COMMAND_QUEUE);
// Create a temporary hard event -- it implicitly depends on all
// the previously queued hard events.
ref_ptr<hard_event> hev = transfer(new hard_event(*q, 0, { }));
// And wait on it.
hev->wait();
return CL_SUCCESS;
} catch(error &e) {
return e.get();
}