mongoc_gridfs_file_readv (3) Linux Manual Page
mongoc_gridfs_file_readv() – This function performs a scattered read from file, potentially blocking to read from the MongoDB server.
Synopsis
ssize_t
mongoc_gridfs_file_readv (mongoc_gridfs_file_t *file,
mongoc_iovec_t *iov,
size_t iovcnt,
size_t min_bytes,
uint32_t timeout_msec);
Parameters
- file
- A mongoc_gridfs_file_t \&.
- iov
- An array of mongoc_iovec_t \&.
- iovcnt
- The number of elements in iov \&.
- min_bytes
- The minimum number of bytes that must be read or an error will be synthesized.
- timeout_msec
- A uint32_t with the timeout in milliseconds.
Description
This function performs a scattered read from file , potentially blocking to read from the MongoDB server.Timeout should be the number of milliseconds to allow blocking, or 0 to disallow blocking.