- Also remove the nuttx private shm.h file nuttx/mm/shm.h, which became redundant
- Also remove the gran allocator initialization/release in binfmt since common
vpage allocator is initialized in group_create/group_leave
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
The dependency should be vice versa; the MM_SHM should depend on the
existence of the virtual memory range allocator.
Create a new CONFIG flag CONFIG_ARCH_VMA_MAPPING, which will define that
there is a virtual memory range allocator. Make MM_SHM select that flag
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
Replace static gs_vaddr with a new dynamic mapping list. Collecting all
this kind of virtual memory mappings into a single structure makes
things more consistent.
This still leaves the task group specific granule alloocator, gs_handle,
in the task group
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
The task_group specific list can be used to store information about
mmappings.
For a driver or filesystem performing mmap can also enable munmap by
adding an item to this list using mm_map_add(). The item is then
returned in the corresponding munmap call.
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
and Fix include/nuttx/mm/map.h:55:28: error: 'struct task_group_s' declared inside parameter list will not be visible outside of this definition or declaration
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
change 1: rename sysview.c to note_sysview.c
change 2: add note_ prefix to sysview's public function
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
since mmap may exist in block_operations, but truncate may not,
moving mmap beforee truncate could make three struct more compatible
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
ECG sensors usually output some status info besides ECG data, such as lead and fast-recovery status. Thus a new member "status" is added into sensor_ecg struct.
Signed-off-by: liucheng5 <liucheng5@xiaomi.com>
- Add mmap into file_operations and remove it from ioctl definitions.
- Add mm_map structure definitions to support future unmapping
- Modify all drivers to initialize the operations struct accordingly
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
- Add truncate into file_operations
- Move truncate to be common for mountpt_operations and file_operations
- Modify all drivers to initialize the operations struct accordingly
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
The pw_gecos field is not specified in POSIX, but is
present on most implementations.
passwd file format:
name:uid:gid:gecos:dir:shell
ex: gdm❌127:133:Gnome Display Manager:/var/lib/gdm3:/bin/false
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
When the signal sent by the sender is blocked in the target task,
if the target task has an action registered with sa_flags SA_KENELHAND,
it will directly respond to the action in the context of the sender.
When the action is executed, it will have the parameters set by the
target task with sigaction:sa_user.
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
