Man page - pmem2_map_delete(3)
Packages contas this manual
- pmem2_config_set_vdm(3)
- pmem2_get_drain_fn(3)
- pmem2_source_get_fd(3)
- pmem2_config_set_length(3)
- pmem2_vm_reservation_map_find_prev(3)
- pmem2_deep_flush(3)
- pmem2_source_from_fd(3)
- libpmem2_unsafe_shutdown(7)
- pmem2_source_pread_mcsafe(3)
- pmem2_async(3)
- pmem2_config_set_sharing(3)
- pmem2_badblock_next(3)
- pmem2_source_from_anon(3)
- pmem2_source_get_handle(3)
- pmem2_source_device_id(3)
- pmem2_map_get_size(3)
- pmem2_config_delete(3)
- pmem2_map_get_address(3)
- pmem2_source_alignment(3)
- pmem2_source_device_usc(3)
- pmem2_config_set_vm_reservation(3)
- pmem2_get_flush_fn(3)
- pmem2_config_set_protection(3)
- pmem2_vm_reservation_new(3)
- pmem2_get_memset_fn(3)
- pmem2_badblock_context_delete(3)
- pmem2_config_new(3)
- pmem2_vm_reservation_delete(3)
- pmem2_vm_reservation_get_address(3)
- pmem2_source_size(3)
- pmem2_vm_reservation_shrink(3)
- pmem2_memcpy_async(3)
- pmem2_vm_reservation_map_find(3)
- pmem2_vm_reservation_map_find_last(3)
- pmem2_badblock_clear(3)
- pmem2_memset_async(3)
- pmem2_map_get_store_granularity(3)
- pmem2_memmove_async(3)
- pmem2_get_persist_fn(3)
- pmem2_vm_reservation_map_find_next(3)
- pmem2_vm_reservation_map_find_first(3)
- pmem2_source_pwrite_mcsafe(3)
- pmem2_get_memcpy_fn(3)
- pmem2_map_from_existing(3)
- pmem2_map_new(3)
- pmem2_get_memmove_fn(3)
- pmem2_config_set_required_store_granularity(3)
- pmem2_config_set_offset(3)
- pmem2_source_from_handle(3)
- libpmem2(7)
- pmem2_perror(3)
- pmem2_map_delete(3)
- pmem2_badblock_context_new(3)
- pmem2_vm_reservation_extend(3)
- pmem2_source_delete(3)
- pmem2_source_numa_node(3)
- pmem2_errormsg(3)
- pmem2_vm_reservation_get_size(3)
apt-get install libpmem2-dev
Manual
| () | PMDK Programmer's Manual | () |
NAME
pmem2_map_delete() - deletes a mapping
SYNOPSIS
-
#include <libpmem2.h> int pmem2_map_delete(struct pmem2_map **map_ptr);
DESCRIPTION
The pmem2_map_delete() function deletes the mapping described by the struct pmem2_map object.
If pmem2_map_delete() succeeds in deleting the mapping, it releases the struct pmem2_map object describing it and writes a NULL value to map_ptr. If the function fails, the map_ptr variable and the map object itself are left unmodified and appropriate error value is returned. For a list of possible return values please see RETURN VALUE.
The pmem2_map_delete() function will not unmap mapping provided by the user by pmem2_map_from_existing() function. In such case it will only free struct pmem2_map object.
RETURN VALUE
The pmem2_map_delete() function returns 0 on success or a negative error code on failure.
ERRORS
The pmem2_map_delete() can fail with the following errors:
- •
- PMEM2_E_MAPPING_NOT_FOUND - mapping was not found (it was already unmapped or pmem2_map state was corrupted)
On systems other than Windows it can also return -EINVAL from the underlying munmap(2) function.
SEE ALSO
pmem2_map_new(3), libpmem2(7) and <https://pmem.io>
| 2023-05-31 | PMDK - |