and remove the check of SYS_DOWN since it defines to SYS_RESTART in reboot_notifer.h:
#define SYS_DOWN 0x0001 /* Notify of system down */
#define SYS_RESTART SYS_DOWN
#define SYS_HALT 0x0002 /* Notify of system halt */
#define SYS_POWER_OFF 0x0003 /* Notify of system power off */
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This way the mappings can be modified for any vm area, not only the
process that is running.
Why? This allows mapping pages to kernel dynamically, this functionality
will be presented later.
Refer to issue #8867 for details and rational.
Convert sigset_t to an array type so that more than 32 signals can be supported.
Why not use a uin64_t?
- Using a uin32_t is more flexible if we decide to increase the number of signals beyound 64.
- 64-bit accesses are not atomic, at least not on 32-bit ARMv7-M and similar
- Keeping the base type as uint32_t does not introduce additional overhead due to padding to achieve 64-bit alignment of uin64_t
- Some architectures still supported by NuttX do not support uin64_t
types,
Increased the number of signals to 64. This matches Linux. This will support all xsignals defined by Linux and also 32 real time signals (also like Linux).
This is is a work in progress; a draft PR that you are encouraged to comment on.
In the last change, the assert behavior test was not considered. Therefore, in this change, sync will be performed only when SYS_RESTART/SYS_DOWN situation occurs, avoiding unpredictable results caused by handling locks or semaphores in interrupts.
mount/fs_foreachmountpoint.c: In function 'mountpoint_filter':
mount/fs_foreachmountpoint.c:99:38: warning: 'sprintf' may write a terminating nul past the end of the destination [-Wformat-overflow=]
99 | sprintf(&dirpath[pathlen], "/%s", node->i_name);
| ^
In function 'mountpoint_filter',
inlined from 'mountpoint_filter' at mount/fs_foreachmountpoint.c:64:12:
mount/fs_foreachmountpoint.c:99:7: note: 'sprintf' output between 2 and 257 bytes into a destination of size 256
99 | sprintf(&dirpath[pathlen], "/%s", node->i_name);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: chao an <anchao@xiaomi.com>
NuttX kernel should not use the syscall functions, especially after
enabling CONFIG_SCHED_INSTRUMENTATION_SYSCALL, all system functions
will be traced to backend, which will impact system performance.
Signed-off-by: chao an <anchao@xiaomi.com>
Summary:
- I noticed that sometimes mqueue_test in ostest failed
(i.e. mq_open failed) with rv-virt:smp.
- This commit fixes this issue by replacing sched_lock with
critical section.
Impact:
- file_mq_open()
Testing:
- Tested with ostest on QEMU-7.1
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
This implements the file system logic for posix shared memory:
shm_open, shm_unlink, mmap, munmap and close
For flat and protected builds the memory simply allocated from (user) heap
For kernel build the memory is allocated from page pool and mapped with MMU
This doesn't yet support protection flags or re-sizing already truncated shared
memory area.
Co-authored-by: Ville Juven <ville.juven@unikie.com>
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
| $ gcc -c "-O3" -Wall -isystem include -D__NuttX__ -D__KERNEL__ -I fs -I sched fs/mmap/fs_mmap.c -o fs_mmap.o
| include/sys/mman.h: In function ‘mmap’:
| fs/mmap/fs_mmap.c:259:13: warning: ‘mapped’ may be used uninitialized in this function [-Wmaybe-uninitialized]
| 259 | FAR void *mapped;
| | ^~~~~~
Signed-off-by: chao an <anchao@xiaomi.com>
With flat addressing the user pollfd list is given directly to the
drivers that perform the notification. This is fine when the addressing
is flat, as there is no ambiguity on who gets notified and the fds memory
is always mapped.
For kernel mode with MMU this does not work. The notification must be done
via a temporary buffer allocated from kernel memory.
Thus, create a copy of the user fds and pass the copy to the drivers.
Afterwards copy the output events back to the user.
Follow posix, return ENOENT when the named semaphore does not
exist to fix the ltp open posix sem_unlink 4-1.c test problem.
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
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>
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>
- 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>
This is preparation for flushing streams from user space, like it should
be done.
- Move tg_streamlist (group, kernel space) ->
ta_streamlist (TLS, user space)
- Access stream list via tg_info in kernel
- Access stream list via TLS in user space
- Remove / rename nxsched_get_streams -> lib_getstreams
- Remove system call for nxsched_get_streams
In some cases, deleting a folder will return unexpected results. For example, ENOENT should be returned when deleting a non-existent folder, but the result will return ENOTDIR.
nx_open in timerfd_create will increase reference count,
Therefore, the reference count starts with a value of 0.
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
It is enought to only checking the buflen's avaiable or not.
(total size means total copied size)
Co-authored-by: Petro Karashchenko <petro.karashchenko@gmail.com>
1. epoll_ctl(EPOLL_CTL_ADD) support extend the epoll
events dynamicly;
2. enhance the epoll performance by moving some poll setup
and teardown process to the EPOLL_CTL_ADD/DEL/MOD;
Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
In the past, header file paths were generated by the incdir command
Now they are generated by concatenating environment variables
In this way, when executing makefile, no shell command will be executed,
it will improve the speed of executing makfile
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
1.Don't check the return value of nxsem_init or nxmutex_init
2.Fix some style issue
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
The default size of file cache is size of a sector, it may
not be good size for optimizing read/write speed in physical
device. So we can set the config according to speed test profile
to optimize access IO speed.
Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
When ps cmd is invoked during the task exit process, the group information of the task may be deleted.
So need check the task flag before get the task group information.
1. Don't handle invalid or empty pte entries
num_partition_entries field in GPT typically means number of maximum entries
and not the number of used entries. Empty entries are indentified with
"0" partition type guid. Loop through all the entries
2. Fix the GPT partition size calculation
"ending_lba" is included in the partition, it is not the start of the next one.
Thus the correct size of the partition is end-start+1
Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
Summary:
- This commit skips to register for meminfo if the name is NULL
Impact:
- None
Testing:
- Tested with sabre-6quad:netknsh (umm_heap will be updated later)
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
apps/examples/usrsocktest/usrsocktest_basic_daemon.c:
321 static void basic_daemon_dup2(FAR struct usrsocktest_daemon_conf_s *dconf)
322 {
...
335 ret = dup2(sd2, sd);
352 }
Usrsocktest Task hold the file group lock and send the close request to usrsock deamon :
| #0 net_lockedwait_uninterruptible (sem=0x5555555f8ba2 <g_usrsockdev+34>) at utils/net_lock.c:427
| #1 0x000055555557489c in usrsockdev_do_request (conn=0x5555555f8800 <g_usrsock_connections>, iov=0x7ffff3f36040, iovcnt=1) at usrsock/usrsock_dev.c:1185
| --> send close request to usrsock deamon
|
| #2 0x00005555555d0439 in do_close_request (conn=0x5555555f8800 <g_usrsock_connections>) at usrsock/usrsock_close.c:109
| #3 0x00005555555d04f5 in usrsock_close (conn=0x5555555f8800 <g_usrsock_connections>) at usrsock/usrsock_close.c:157
| #4 0x00005555555cf100 in usrsock_sockif_close (psock=0x7ffff3ea4a60) at usrsock/usrsock_sockif.c:234
| #5 0x00005555555c7b2f in psock_close (psock=0x7ffff3ea4a60) at socket/net_close.c:102
| #6 0x000055555557a518 in sock_file_close (filep=0x7ffff3f253d0) at socket/socket.c:115
| #7 0x000055555557678f in file_close (filep=0x7ffff3f253d0) at vfs/fs_close.c:74
| #8 0x000055555557694c in file_dup2 (filep1=0x7ffff3f253e8, filep2=0x7ffff3f253d0) at vfs/fs_dup2.c:129
| ---> hold group file list lock ( _files_semtake(list) )
|
| #9 0x0000555555575aab in nx_dup2 (fd1=7, fd2=6) at inode/fs_files.c:451
| #10 0x0000555555575af3 in dup2 (fd1=7, fd2=6) at inode/fs_files.c:473
| #11 0x000055555559d937 in basic_daemon_dup2 (dconf=0x5555555f8d80 <usrsocktest_daemon_config>) at usrsocktest_basic_daemon.c:335
| #12 0x000055555559ed80 in usrsocktest_test_basic_daemon_basic_daemon_dup2 () at usrsocktest_basic_daemon.c:612
| #13 0x000055555559f18d in usrsocktest_group_basic_daemon_run () at usrsocktest_basic_daemon.c:666
| #14 0x0000555555599f8d in run_tests (name=0x5555555dc8c3 "basic_daemon", test_fn=0x55555559ef50 <usrsocktest_group_basic_daemon_run>) at usrsocktest_main.c:117
| #15 0x000055555559a06c in run_all_tests () at usrsocktest_main.c:154
| #16 0x000055555559a3d1 in usrsocktest_main (argc=1, argv=0x7ffff3f25450) at usrsocktest_main.c:248
| #17 0x000055555555cad8 in nxtask_startup (entrypt=0x55555559a357 <usrsocktest_main>, argc=1, argv=0x7ffff3f25450) at sched/task_startup.c:70
| #18 0x0000555555559938 in nxtask_start () at task/task_start.c:134
Usrsock Deamon weakup and setup the poll want to perform close request, but locked on fs_getfilep():
| #0 _files_semtake (list=0x7ffff3f250b8) at inode/fs_files.c:51
| --> Request group lock but which hold by close request, deadlock
| #1 0x00005555555758b1 in fs_getfilep (fd=5, filep=0x7ffff3f47190) at inode/fs_files.c:375
| #2 0x00005555555d3064 in poll_fdsetup (fd=5, fds=0x7ffff3f47290, setup=true) at vfs/fs_poll.c:79
| #3 0x00005555555d3243 in poll_setup (fds=0x7ffff3f47290, nfds=2, sem=0x7ffff3f47206) at vfs/fs_poll.c:139
| #4 0x00005555555d39a6 in nx_poll (fds=0x7ffff3f47290, nfds=2, timeout=-1) at vfs/fs_poll.c:383
| #5 0x00005555555d3abd in poll (fds=0x7ffff3f47290, nfds=2, timeout=-1) at vfs/fs_poll.c:501
| --> daemon weak up
| #6 0x00005555555c62c7 in usrsocktest_daemon (param=0x5555555f5360 <g_ub_daemon>) at usrsocktest_daemon.c:1846
| #7 0x000055555559161e in pthread_startup (entry=0x5555555c60d3 <usrsocktest_daemon>, arg=0x5555555f5360 <g_ub_daemon>) at pthread/pthread_create.c:59
| #8 0x00005555555d45f0 in pthread_start () at pthread/pthread_create.c:175
| #9 0x0000000000000000 in ?? ()
Signed-off-by: chao an <anchao@xiaomi.com>
since it is impossible to track producer and consumer
correctly if TCP/IP stack pass IOB directly to netdev
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
The field of first cluster under LFN directory entry must be 0x0000. If
it is set a value other than 0, it causes a problem where the long file
name entry cannot be found on a Windows PC and the short file name is
always used. In addition, correct the macro error in big endian.
This directive tells the compiler that cromfs_node_s might be located at a memory
address which is not word aligned. This resolves the hardFault caused by unaligned
memory access on armv6-m architecture which doesn't support it.
since the code could map the unsupported work to the
supported one and remove select SCHED_WORKQUEUE from
Kconfig since SCHED_[L|H]PWORK already do the selection
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
