pmem2_source_get_handle - Man Page

reads file handler of the data source


#include <libpmem2.h>

int pmem2_source_get_handle(const struct pmem2_source *src, HANDLE *h);


The pmem2_source_get_handle() function reads the file handler of *struct pmem2_source** object describing the data source and returns it by h parameter.

This function is Windows only, on Linux use pmem2_source_get_fd(3). If the source was created using pmem2_source_from_fd(3) then pmem2_source_get_handle() is also valid function to read handler, because file descriptor is converted to file handle during source creation.

However, there are limitations to what you can do with a handle created from a file descriptor. For details refer to DESCRIPTION section in the pmem2_source_from_fd(3) manpage.


The pmem2_source_get_handle() can fail with the following errors:

Return Value

The pmem2_source_get_handle() returns a file handle of data source.

See Also

pmem2_source_from_fd(3), pmem2_source_get_fd(3), libpmem2(7) and <>

Referenced By


2022-08-25 PMDK - pmem2 API version 1.0 PMDK Programmer's Manual