task.h

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// Copyright 2026 The IREE Authors
//
// Licensed under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
#ifndef LOOMC_TASK_H_
#define LOOMC_TASK_H_
 
#include "loomc/status.h"

 
#ifdef __cplusplus
extern "C" {
#endif

typedef struct loomc_task_t loomc_task_t;

typedef struct loomc_task_vtable_t {
  void(LOOMC_API_PTR* execute)(loomc_task_t* task,
                               loomc_host_size_t worker_ordinal);

  void(LOOMC_API_PTR* destroy)(loomc_task_t* task);
} loomc_task_vtable_t;
 
struct loomc_task_t {
  const loomc_task_vtable_t* vtable;

  loomc_task_t* next;
};

LOOMC_API_EXPORT void loomc_task_initialize(const loomc_task_vtable_t* vtable,
                                            loomc_task_t* out_task);

LOOMC_API_EXPORT void loomc_task_execute(loomc_task_t* task,
                                         loomc_host_size_t worker_ordinal);

LOOMC_API_EXPORT void loomc_task_destroy(loomc_task_t* task);

typedef loomc_status_t(LOOMC_API_PTR* loomc_task_submit_fn_t)(
    void* user_data, loomc_task_t* task);

typedef struct loomc_task_sink_t {
  loomc_task_submit_fn_t submit;

  void* user_data;
} loomc_task_sink_t;

LOOMC_API_EXPORT loomc_status_t loomc_task_sink_submit(loomc_task_sink_t sink,
                                                       loomc_task_t* task);
 
#ifdef __cplusplus
}  // extern "C"
#endif
 
#endif  // LOOMC_TASK_H_