C++ (Cpp) lane_enter 예제들

예제 #1

파일: blk.c 프로젝트: tomaszkapela/nvml

/*
 * pmemblk_write -- write a block (atomically) in a block memory pool
 */
int
pmemblk_write(PMEMblkpool *pbp, const void *buf, long long blockno)
{
	LOG(3, "pbp %p buf %p blockno %lld", pbp, buf, blockno);

	if (pbp->rdonly) {
		ERR("EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	if (blockno < 0) {
		ERR("negative block number");
		errno = EINVAL;
		return -1;
	}

	unsigned lane;

	lane_enter(pbp, &lane);

	int err = btt_write(pbp->bttp, lane, (uint64_t)blockno, buf);

	lane_exit(pbp, lane);

	return err;
}

예제 #2

파일: blk.c 프로젝트: xguo/nvml

/*
 * pmemblk_set_error -- set the error state on a block in a block memory pool
 */
int
pmemblk_set_error(PMEMblkpool *pbp, off_t blockno)
{
	LOG(3, "pbp %p blockno %lld", pbp, (long long)blockno);

	if (pbp->rdonly) {
		ERR("EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	if (blockno < 0) {
		ERR("negative block number");
		errno = EINVAL;
		return -1;
	}

	unsigned lane;

	lane_enter(pbp, &lane);

	int err = btt_set_error(pbp->bttp, lane, (uint64_t)blockno);

	lane_exit(pbp, lane);

	return err;
}

예제 #3

파일: blk.c 프로젝트: jebtang/nvml

/*
 * pmemblk_read -- read a block in a block memory pool
 */
int
pmemblk_read(PMEMblkpool *pbp, void *buf, off_t blockno)
{
	LOG(3, "pbp %p buf %p blockno %lld", pbp, buf, (long long)blockno);

	int lane = lane_enter(pbp);

	if (lane < 0)
		return -1;

	int err = btt_read(pbp->bttp, lane, blockno, buf);

	lane_exit(pbp, lane);

	return err;
}

예제 #4

파일: blk.c 프로젝트: xguo/nvml

/*
 * pmemblk_read -- read a block in a block memory pool
 */
int
pmemblk_read(PMEMblkpool *pbp, void *buf, off_t blockno)
{
	LOG(3, "pbp %p buf %p blockno %lld", pbp, buf, (long long)blockno);

	if (blockno < 0) {
		ERR("negative block number");
		errno = EINVAL;
		return -1;
	}

	unsigned lane;

	lane_enter(pbp, &lane);

	int err = btt_read(pbp->bttp, lane, (uint64_t)blockno, buf);

	lane_exit(pbp, lane);

	return err;
}

예제 #5

파일: blk.c 프로젝트: jebtang/nvml

/*
 * pmemblk_set_error -- set the error state on a block in a block memory pool
 */
int
pmemblk_set_error(PMEMblkpool *pbp, off_t blockno)
{
	LOG(3, "pbp %p blockno %lld", pbp, (long long)blockno);

	if (pbp->rdonly) {
		ERR("EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	int lane = lane_enter(pbp);

	if (lane < 0)
		return -1;

	int err = btt_set_error(pbp->bttp, lane, blockno);

	lane_exit(pbp, lane);

	return err;
}

예제 #6

파일: blk.c 프로젝트: jebtang/nvml

/*
 * pmemblk_write -- write a block (atomically) in a block memory pool
 */
int
pmemblk_write(PMEMblkpool *pbp, const void *buf, off_t blockno)
{
	LOG(3, "pbp %p buf %p blockno %lld", pbp, buf, (long long)blockno);

	if (pbp->rdonly) {
		ERR("EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	int lane = lane_enter(pbp);

	if (lane < 0)
		return -1;

	int err = btt_write(pbp->bttp, lane, blockno, buf);

	lane_exit(pbp, lane);

	return err;
}

예제 #7

파일: blk.c 프로젝트: mdalecki/nvml

/*
 * pmemblk_set_zero -- zero a block in a block memory pool
 */
int
pmemblk_set_zero(PMEMblk *pbp, off_t blockno)
{
	LOG(3, "pbp %p blockno %zu", pbp, blockno);

	if (pbp->rdonly) {
		LOG(1, "EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	int lane = lane_enter(pbp);

	if (lane < 0)
		return -1;

	int err = btt_set_zero(pbp->bttp, lane, blockno);

	lane_exit(pbp, lane);

	return err;
}