[Beignet] [PATCH 28/57] Implement all event related API in cl_api_event.c

junyan.he at inbox.com junyan.he at inbox.com
Sun Jun 11 05:50:14 UTC 2017


From: Junyan He <junyan.he at intel.com>

Signed-off-by: Junyan He <junyan.he at intel.com>
---
 runtime/cl_api_event.c | 352 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 352 insertions(+)
 create mode 100644 runtime/cl_api_event.c

diff --git a/runtime/cl_api_event.c b/runtime/cl_api_event.c
new file mode 100644
index 0000000..1f32f37
--- /dev/null
+++ b/runtime/cl_api_event.c
@@ -0,0 +1,352 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#include "cl_event.h"
+#include "cl_context.h"
+#include "cl_command_queue.h"
+#include "CL/cl.h"
+#include <stdio.h>
+
+cl_event
+clCreateUserEvent(cl_context context,
+                  cl_int *errcode_ret)
+{
+  cl_int err = CL_SUCCESS;
+  cl_event event = NULL;
+
+  do {
+    if (!CL_OBJECT_IS_CONTEXT(context)) {
+      err = CL_INVALID_CONTEXT;
+      break;
+    }
+
+    event = cl_event_create(context, NULL, 0, NULL, CL_COMMAND_USER, &err);
+  } while (0);
+
+  if (errcode_ret)
+    *errcode_ret = err;
+  return event;
+}
+
+cl_int
+clSetUserEventStatus(cl_event event,
+                     cl_int execution_status)
+{
+  cl_int err = CL_SUCCESS;
+
+  if (!CL_OBJECT_IS_EVENT(event)) {
+    return CL_INVALID_EVENT;
+  }
+
+  if (execution_status > CL_COMPLETE) {
+    return CL_INVALID_VALUE;
+  }
+
+  err = cl_event_set_status(event, execution_status);
+  return err;
+}
+
+/* 1.1 API, depreciated */
+cl_int
+clEnqueueMarker(cl_command_queue command_queue,
+                cl_event *event)
+{
+  return clEnqueueMarkerWithWaitList(command_queue, 0, NULL, event);
+}
+
+cl_int
+clEnqueueMarkerWithWaitList(cl_command_queue command_queue,
+                            cl_uint num_events_in_wait_list,
+                            const cl_event *event_wait_list,
+                            cl_event *event)
+{
+  cl_int err = CL_SUCCESS;
+  cl_event e = NULL;
+  cl_int e_status;
+
+  do {
+    if (!CL_OBJECT_IS_COMMAND_QUEUE(command_queue)) {
+      err = CL_INVALID_COMMAND_QUEUE;
+      break;
+    }
+
+    err = cl_event_check_waitlist(num_events_in_wait_list, event_wait_list,
+                                  event, command_queue->ctx);
+    if (err != CL_SUCCESS) {
+      break;
+    }
+
+    if (event == NULL) { /* Create a anonymous event, it can not be waited on and useless. */
+      return CL_SUCCESS;
+    }
+
+    e = cl_event_create_marker_or_barrier(command_queue, num_events_in_wait_list,
+                                          event_wait_list, CL_FALSE, &err);
+    if (err != CL_SUCCESS) {
+      return err;
+    }
+
+    e_status = cl_event_is_ready(e);
+    if (e_status < CL_COMPLETE) { // Error happend, cancel.
+      err = CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST;
+      break;
+    } else if (e_status == CL_COMPLETE) {
+      err = cl_event_exec(e, CL_COMPLETE, CL_FALSE);
+      if (err != CL_SUCCESS) {
+        break;
+      }
+    } else {
+      cl_command_queue_enqueue_event(command_queue, e);
+    }
+  } while (0);
+
+  if (event) {
+    *event = e;
+  } else {
+    cl_event_delete(e);
+  }
+  return err;
+}
+
+/* 1.1 API, depreciated */
+cl_int
+clEnqueueBarrier(cl_command_queue command_queue)
+{
+  return clEnqueueBarrierWithWaitList(command_queue, 0, NULL, NULL);
+}
+
+cl_int
+clEnqueueBarrierWithWaitList(cl_command_queue command_queue,
+                             cl_uint num_events_in_wait_list,
+                             const cl_event *event_wait_list,
+                             cl_event *event)
+{
+  cl_int err = CL_SUCCESS;
+  cl_event e = NULL;
+  cl_int e_status;
+
+  do {
+    if (!CL_OBJECT_IS_COMMAND_QUEUE(command_queue)) {
+      err = CL_INVALID_COMMAND_QUEUE;
+      break;
+    }
+
+    err = cl_event_check_waitlist(num_events_in_wait_list, event_wait_list,
+                                  event, command_queue->ctx);
+    if (err != CL_SUCCESS) {
+      break;
+    }
+
+    e = cl_event_create_marker_or_barrier(command_queue, num_events_in_wait_list,
+                                          event_wait_list, CL_TRUE, &err);
+    if (err != CL_SUCCESS) {
+      break;
+    }
+
+    e_status = cl_event_is_ready(e);
+    if (e_status < CL_COMPLETE) { // Error happend, cancel.
+      err = CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST;
+      break;
+    } else if (e_status == CL_COMPLETE) {
+      cl_command_queue_insert_barrier_event(command_queue, e);
+      err = cl_event_exec(e, CL_COMPLETE, CL_FALSE);
+      if (err != CL_SUCCESS) {
+        break;
+      }
+      /* Already a completed barrier, no need to insert to queue. */
+    } else {
+      cl_command_queue_insert_barrier_event(command_queue, e);
+      cl_command_queue_enqueue_event(command_queue, e);
+    }
+  } while (0);
+
+  if (err == CL_SUCCESS && event) {
+    *event = e;
+  } else {
+    cl_event_delete(e);
+  }
+  return err;
+}
+
+cl_int
+clWaitForEvents(cl_uint num_events,
+                const cl_event *event_list)
+{
+  cl_int err = CL_SUCCESS;
+  cl_uint i;
+
+  if (num_events == 0 || event_list == NULL) {
+    return CL_INVALID_VALUE;
+  }
+
+  err = cl_event_check_waitlist(num_events, event_list, NULL, NULL);
+  if (err != CL_SUCCESS) {
+    return err;
+  }
+
+  for (i = 0; i < num_events; i++) {
+    if (cl_event_get_status(event_list[i]) < CL_COMPLETE) {
+      err = CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST;
+      return err;
+    }
+  }
+
+  err = cl_event_wait_for_events_list(num_events, event_list);
+  return err;
+}
+
+/* 1.1 API, depreciated */
+cl_int
+clEnqueueWaitForEvents(cl_command_queue command_queue,
+                       cl_uint num_events,
+                       const cl_event *event_list)
+{
+  cl_int err = CL_SUCCESS;
+
+  if (!CL_OBJECT_IS_COMMAND_QUEUE(command_queue)) {
+    return CL_INVALID_COMMAND_QUEUE;
+  }
+
+  err = clWaitForEvents(num_events, event_list);
+  return err;
+}
+
+cl_int
+clSetEventCallback(cl_event event,
+                   cl_int command_exec_callback_type,
+                   void(CL_CALLBACK *pfn_notify)(cl_event, cl_int, void *),
+                   void *user_data)
+{
+  cl_int err = CL_SUCCESS;
+
+  if (!CL_OBJECT_IS_EVENT(event)) {
+    return CL_INVALID_EVENT;
+  }
+
+  if ((pfn_notify == NULL) ||
+      (command_exec_callback_type > CL_SUBMITTED) ||
+      (command_exec_callback_type < CL_COMPLETE)) {
+    return CL_INVALID_VALUE;
+  }
+
+  err = cl_event_set_callback(event, command_exec_callback_type, pfn_notify, user_data);
+  return err;
+}
+
+cl_int
+clGetEventInfo(cl_event event,
+               cl_event_info param_name,
+               size_t param_value_size,
+               void *param_value,
+               size_t *param_value_size_ret)
+{
+  void *src_ptr = NULL;
+  size_t src_size = 0;
+  cl_uint ref;
+  cl_int status;
+
+  if (!CL_OBJECT_IS_EVENT(event)) {
+    return CL_INVALID_EVENT;
+  }
+
+  if (param_name == CL_EVENT_COMMAND_QUEUE) {
+    src_ptr = &event->queue;
+    src_size = sizeof(cl_command_queue);
+  } else if (param_name == CL_EVENT_CONTEXT) {
+    src_ptr = &event->ctx;
+    src_size = sizeof(cl_context);
+  } else if (param_name == CL_EVENT_COMMAND_TYPE) {
+    src_ptr = &event->event_type;
+    src_size = sizeof(cl_command_type);
+  } else if (param_name == CL_EVENT_COMMAND_EXECUTION_STATUS) {
+    status = cl_event_get_status(event);
+    src_ptr = &status;
+    src_size = sizeof(cl_int);
+  } else if (param_name == CL_EVENT_REFERENCE_COUNT) {
+    ref = CL_OBJECT_GET_REF(event);
+    src_ptr = &ref;
+    src_size = sizeof(cl_int);
+  } else {
+    return CL_INVALID_VALUE;
+  }
+
+  return cl_get_info_helper(src_ptr, src_size,
+                            param_value, param_value_size, param_value_size_ret);
+}
+
+cl_int
+clGetEventProfilingInfo(cl_event event,
+                        cl_profiling_info param_name,
+                        size_t param_value_size,
+                        void *param_value,
+                        size_t *param_value_size_ret)
+{
+  cl_ulong ret_val;
+
+  if (!CL_OBJECT_IS_EVENT(event)) {
+    return CL_INVALID_EVENT;
+  }
+
+  assert(event->event_type == CL_COMMAND_USER || event->queue != NULL);
+  if (event->event_type == CL_COMMAND_USER ||
+      !(event->queue->props & CL_QUEUE_PROFILING_ENABLE) ||
+      cl_event_get_status(event) != CL_COMPLETE) {
+    return CL_PROFILING_INFO_NOT_AVAILABLE;
+  }
+
+  if (param_value && param_value_size < sizeof(cl_ulong)) {
+    return CL_INVALID_VALUE;
+  }
+
+  if (param_name < CL_PROFILING_COMMAND_QUEUED ||
+      param_name > CL_PROFILING_COMMAND_COMPLETE) {
+    return CL_INVALID_VALUE;
+  }
+
+  ret_val = event->timestamp[param_name - CL_PROFILING_COMMAND_QUEUED];
+  if (ret_val == CL_EVENT_INVALID_TIMESTAMP) {
+    return CL_INVALID_VALUE;
+  }
+
+  if (param_value)
+    *(cl_ulong *)param_value = ret_val;
+  if (param_value_size_ret)
+    *param_value_size_ret = sizeof(cl_ulong);
+  return CL_SUCCESS;
+}
+
+cl_int
+clRetainEvent(cl_event event)
+{
+  if (!CL_OBJECT_IS_EVENT(event)) {
+    return CL_INVALID_EVENT;
+  }
+
+  cl_event_add_ref(event);
+  return CL_SUCCESS;
+}
+
+cl_int
+clReleaseEvent(cl_event event)
+{
+  if (!CL_OBJECT_IS_EVENT(event)) {
+    return CL_INVALID_EVENT;
+  }
+
+  cl_event_delete(event);
+  return CL_SUCCESS;
+}
-- 
2.7.4





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