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2044 Commits

Author SHA1 Message Date
Xiang Xiao
abc72ad128 net: Ensure sendmsg and sendfile return -EAGAIN in case of timeout 
instead of -ETIMEOUT, as specify here:
https://pubs.opengroup.org/onlinepubs/009604599/functions/sendmsg.html
https://man7.org/linux/man-pages/man2/sendfile.2.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-28 06:19:13 +03:00
Ville Juven
dc2b2dcb3f sched/env: Check for incoming parameter validity in unsetenv() 
Something the function did not do, check the incoming parameter is vlaid
 2022-06-14 10:39:52 +03:00
Ville Juven
1b32fc1642 sched/env: Fix the return value of unsetenv() 
If the environment variable does not exist, the function succeeds, as
defined by POSIX.
 2022-06-14 10:39:52 +03:00
chao.an
7c12e5281e sched/mqueue: replace inline linklist to improve performance 
Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-06-12 00:34:05 +08:00
chao.an
d09dc08eab sched/mqueue: do sanity check if DEBUG_FEATURES is enabled 
Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-06-11 12:42:47 -03:00
chao.an
be33d66c05 sched/mqueue: minor code tuning of message queue 
1. remove unnecessary temporary variables
2. adjust the protection scope of the critical section

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-06-11 14:51:46 +08:00
chao.an
8da798926d sched/mqueue: configurable mqueue notification 
Add a configuration to disable the mqueue notification mechanism

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-06-11 14:51:09 +08:00
chao.an
f5d4571abc sched/mqueue: remove sched_lock to improve performance 
remove the sched_lock/unlock to improve the performance by 18%

mq_send Flow                        Cycle Count
mq_send                         Origin  Optimized
|
 ->nxmq_send                       24         24
   |
    ->file_mq_send                209        209
      |
      |->sched_lock               243        N/A  <-
      |->nxmq_do_send             391        348
      |  |
      |  |->sched_lock            434        N/A  <-
      |  |->up_unblock_task       545        459
      |   ->sched_unlock          675        N/A  <-
      |
       ->sched_unlock             684        N/A  <-
         |
          ->up_release_pending    701        N/A
            |
             ->arm_switchcontext  856        610

mq_receive
|
 ->arm_fullcontextrestore        1375       1133
   |
    ->up_block_task              1375       1133
      |
       ->nxmq_wait_receive       1530       1288
         |
          ->file_mq_receive      1606       1310
            |
             ->nxmq_receive      1616       1320
               |
                ->mq_receive     1628       1332  - 18%

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-06-10 07:23:42 +09:00
Xiang Xiao
11c8f3125d sched/tls: Wrap up_info_size into tls_info_size 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-08 19:07:33 +09:00
Xiang Xiao
8543df7e4c sched/init: Initialize the idle thread local storage by tls_init_info 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-08 19:07:33 +09:00
Xiang Xiao
01c8bebf58 sched/tls: Add task_init_info and task_uninit_info 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-03 23:56:50 +03:00
Xiang Xiao
47b707bbf8 sched/tls: Add tls_init_info and tls_dup_info 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-03 23:56:50 +03:00
Xiang Xiao
3e32b605fe libc/tls: Make tls_get_info as the pulibc function instead up_tls_info 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-03 23:56:50 +03:00
Xiang Xiao
33a6aa2f48 sched/tls: Don't compensate the tls size to the stack size 
it isn't good to change the stack size passed by caller

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-06-03 23:56:50 +03:00
chao.an
5f46a21c25 signal: add define of SIGHUP/SIGTTIN 
Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-06-03 12:50:14 +08:00
zhuyanlin
656f851f20 cpuload: use correct pm cpuload tick. 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
Signed-off-by: ligd <liguiding1@xiaomi.com>
 2022-05-31 07:57:43 +03:00
Xiang Xiao
3b136771ff sched: Move the call of pthread_mutex_inconsistent to nxtask_recover 
to avoid it spread around all possible exit path

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-27 09:39:09 +03:00
Xiang Xiao
feb54fc272 sched/pthread: Should call up_exit in pthread_exit 
since _exit may kill all sibling thread when
HAVE_GROUP_MEMBERS equal true. Regressed by:
commit 622677d4a1
Author: Ville Juven <ville.juven@unikie.com>
Date:   Mon May 2 15:15:06 2022 +0300

    libc: Implement exit, atexit, on_exit and cxa_exit on the user side

    For CONFIG_BUILD_KERNEL using the sched/task/task_exithook implementation
    will just not work. It calls user code with kernel privileges which is
    a bit of a security issue.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-26 08:16:46 +03:00
Ville Juven
a54c3d13f9 sched: Remove SCHED_ATEXIT / SCHED_ONEXIT 
Remove the kernel side implementations altogether. These will be
replaced by user land implementations.
 2022-05-25 15:28:43 +08:00
Ville Juven
622677d4a1 libc: Implement exit, atexit, on_exit and cxa_exit on the user side 
For CONFIG_BUILD_KERNEL using the sched/task/task_exithook implementation
will just not work. It calls user code with kernel privileges which is
a bit of a security issue.
 2022-05-25 15:28:43 +08:00
Xiang Xiao
efc863217b Fix error: converting the result of '<<' to a boolean always evaluates to true 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-19 23:23:01 +03:00
Xiang Xiao
5b0b4bd586 sched/wdog: Change the return type of wd_gettime from int to sclock_t 
to handle 64bits sclock_t correctly

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-19 23:21:54 +03:00
jihandong
89338a6914 sched/pthread/pthread_condclockwait.c: follow POSIX. 
pthread_condclockwait() can not distinguish between interrupt and timeout,
which cause these API not follow POSIX:
	pthread_rwlock_timedrdlock()
	pthread_rwlock_timedwrlock()
	pthread_condtimedwait()
POSIX:
	Upon return from the signal handler the thread resumes waiting for
	the condition variable as if it wasnot interrupted
	These functions shall not return an error code of [EINTR].

Replacing nxsem_wait() with nxsem_clockwait_uninterruptible() can solve it.

Signed-off-by: jihandong <jihandong@xiaomi.com>
 2022-05-19 14:57:33 +08:00
zhuyanlin
1c977e97d2 pthread_mutexinit: fix deadcode in pthread_mutexinit 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-16 10:20:52 +03:00
zhuyanlin
3bac0d8367 timer:settime: check return value of clock_abstime2ticks 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-16 10:20:52 +03:00
Xiang Xiao
1fb8c13e5e Replace nxsem_timedwait_uninterruptible with nxsem_tickwait_uninterruptible 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-15 13:55:58 +03:00
Xiang Xiao
22e4f1c59a sched: Remove start from nxsem_tickwait[_uninterruptible] 
to simplify both caller and callee

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-15 13:55:58 +03:00
Xiang Xiao
08002a0a38 sched: Replace pthread_sem_take with nxsem_wait_uninterruptible 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-14 20:47:34 +03:00
Xiang Xiao
9072eecc30 sched/wqueue: Change the return type of work_notifier_teardown to void 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-14 00:35:29 +03:00
Ville Juven
5bcd1dbb64 sched: Remove task_restart in case of CONFIG_BUILD_KERNEL 
Same treatment as task_delete, this is not usable in kernel build
either.
 2022-05-12 22:08:19 +08:00
Ville Juven
b1d92159fa sched: Remove task_delete in case of CONFIG_BUILD_KERNEL 
Deleting a task from another task's context will not do, so shut
this gate down for BUILD_KERNEL. In this case if a task wants another
task to terminate, it must ask the other task to politely kill itself.

Note: kthreads still need this, also, the kernel can delete a task
without asking.
 2022-05-12 03:27:25 +08:00
Xiang Xiao
b907a1fec7 cpuload: Support the internal computation in the tickless mode 
just like how the same thing done in nxsched_process_timer

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-10 21:21:19 +08:00
Xiang Xiao
f47cf7ba04 sched: Add nxsched_process_cpuload_ticks prototype to sched/sched/sched.h 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-05-10 21:21:19 +08:00
zhuyanlin
de3bb757d2 sched:sched_cpuload_period: add time compensate for idle task 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-10 21:21:19 +08:00
zhuyanlin
c75f4b62e0 sched:sched_cpuload_oneshot: add time compensate for idle task 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-10 21:21:19 +08:00
zhuyanlin
6facf18a01 cpuload: nxsched_cpu_process_cpuload: add ticks parameter 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-10 21:21:19 +08:00
zhuyanlin
45fe3fb4c6 sched:cpuload_period: add pm callbacks 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-10 21:21:19 +08:00
zhuyanlin
1c2583eaad sched:cpuload_oneshot: add pm callcacks 
Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>
 2022-05-10 21:21:19 +08:00
chao.an
f5b3d5a014 sched/note: fix build break 
1. fix typo spilock -> spinlock
2. fix build break

sched/sched_note.c: In function ‘note_spincommon’:
sched/sched_note.c:435:3: error: aggregate value used where an integer was expected
  435 |   note.nsp_value = (uint8_t)*spinlock;
      |   ^~~~

Signed-off-by: chao.an <anchao@xiaomi.com>
 2022-05-09 12:27:57 +08:00
Oki Minabe
22787ee109 sched/group: addrenv: allocate current group for each cpu 
Summary:
- In case of SMP and ADDRENV, allocate current group for each cpu
  - g_pid_current holds pid of the group and uses for addrenv switching
  - allocate g_group_current for each cpu in stead of g_pid_current
  - g_group_current is the array that pointed to the current task_group_s struct

Impact:
- ADDRENV=y and SMP=y

Testing:
- sabre-6quad:smp w/ qemu
- sabre-6quad:knsh w/ qemu
- sabre-6quad:knsh_smp w/ qemu (WIP)

Signed-off-by: Oki Minabe <minabe.oki@gmail.com>
 2022-05-08 20:34:31 +03:00
anjiahao
3dc07ac6b4 sched:fix mq_timedsend describe 
Signed-off-by: anjiahao <anjiahao@xiaomi.com>
 2022-04-27 02:09:18 +08:00
Petro Karashchenko
1b4d8b3734 sched: remove DEBUGASSERT from nx_waitpid 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-04-22 15:06:26 -03:00
Xiang Xiao
55b5561fdb sched/task: Implement execle and execve 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-22 10:40:31 +03:00
Xiang Xiao
76803f4a07 sched/environ: Replace get_environ_ptr with environ 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-21 22:55:47 +03:00
Xiang Xiao
9794068a9c sched/environ: Remove the unneeded cast in env_dup 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-21 22:55:47 +03:00
Xiang Xiao
ce49c80976 sched/task: Correct the comment about environment variable 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-21 22:55:47 +03:00
Ville Juven
4c1b66246d env_dup: Fix copying of env between address environments 
If address environments are in use, it is not possible to simply
memcpy from from one process to another. The current implementation
of env_dup does precisely this and thus, it fails at once when it is
attempted between two user processes.

The solution is to use the kernel's heap as an intermediate buffer.
This is a simple, effective and common way to do a fork().

Obviously this is not needed for kernel processes.
 2022-04-21 18:38:37 +08:00
Xiang Xiao
2c82bef702 sched/environ: Refine the environment variables storage layout 
to confirm the standard and then implement get_environ_ptr correctly

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-18 10:33:37 +03:00
Petro Karashchenko
ebffcdc992 semaphore: fix usage of NXSEM_INITIALIZER 
Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>
 2022-04-17 11:38:34 +08:00
Xiang Xiao
701bbaac74 sched/environ: Ensure tg_envp terminated by double '\0' 
so we can compute the whole environ string length from it

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-04-14 07:49:00 +03:00