C++ (Cpp) cl_block_enable_accessの例

コード例 #1

ファイル: mlog.c プロジェクト: aaronjheng/grpc

// Allocates a new block and updates core id => block mapping. 'old_block'
// points to the block that the caller thinks is attached to
// 'core_id'. 'old_block' may be NULL. Returns true if:
// - allocated a new block OR
// - 'core_id' => 'old_block' mapping changed (another thread allocated a
//   block before lock was acquired).
static bool cl_allocate_core_local_block(uint32_t core_id,
                                         cl_block* old_block) {
  // Now that we have the lock, check if core-local mapping has changed.
  cl_core_local_block* core_local_block = &g_log.core_local_blocks[core_id];
  cl_block* block = cl_core_local_block_get_block(core_local_block);
  if ((block != NULL) && (block != old_block)) {
    return true;
  }
  if (block != NULL) {
    cl_core_local_block_set_block(core_local_block, NULL);
    cl_block_list_insert_at_tail(&g_log.dirty_block_list, block);
  }
  block = cl_allocate_block();
  if (block == NULL) {
    return false;
  }
  cl_core_local_block_set_block(core_local_block, block);
  cl_block_enable_access(block);
  return true;
}

コード例 #2

ファイル: census_log.c プロジェクト: bjori/grpc

/* Allocates a new block and updates core id => block mapping. 'old_block'
   points to the block that the caller thinks is attached to
   'core_id'. 'old_block' may be NULL. Returns non-zero if:
   - allocated a new block OR
   - 'core_id' => 'old_block' mapping changed (another thread allocated a
     block before lock was acquired). */
static int cl_allocate_core_local_block(gpr_int32 core_id,
                                        cl_block *old_block) {
  /* Now that we have the lock, check if core-local mapping has changed. */
  cl_core_local_block *core_local_block = &g_log.core_local_blocks[core_id];
  cl_block *block = cl_core_local_block_get_block(core_local_block);
  if ((block != NULL) && (block != old_block)) {
    return 1;
  }
  if (block != NULL) {
    cl_core_local_block_set_block(core_local_block, NULL);
    cl_block_list_insert_at_tail(&g_log.dirty_block_list, block);
  }
  block = cl_allocate_block();
  if (block == NULL) {
    gpr_atm_rel_store(&g_log.is_full, 1);
    return 0;
  }
  cl_core_local_block_set_block(core_local_block, block);
  cl_block_enable_access(block);
  return 1;
}