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28 Commits

Author SHA1 Message Date
Kenneth 81f3d59717 chore: fix typos 
fix typo destroy

close https://gitee.com/openharmony/kernel_liteos_a/issues/I3RR17

Signed-off-by: Kenneth <459864689@qq.com>
 2021-06-16 14:52:06 +08:00
openharmony_ci 2067b2f648 !256 fix: 解决kill进程时无法保证进程持有的系统资源合理释放 
Merge pull request !256 from zhushengle/Sig
 2021-06-03 17:00:00 +08:00
zhushengle cf89f016e9 fix: 解决kill进程时无法保证进程的已持有的内核资源合理释放. 
背景: 当前信号实现原理是在系统调用结束和中断结束时检查是否有信号处理,
      如果有信号处理就切去处理信号，信号处理结束后回来继续按原来流程执行。
问题：当用户态线程在执行系统调用或缺页异常时，运行在内核态，如果此时有信
      号需要处理，且该线程已经持有了部分内核资源(如：锁，内存等), 此时如
      果有中断发生，则在中断结束时，就会去处理该信号，此时用户态线程持有
      了内核未释放的资源跑到了用户态去运行，如果该线程在用户态出现问题,
      那么它持有的内核资源就无法被释放了。
方案：用户态线程在执行系统调用和缺页异常时暂时屏蔽信号，防止此时有中断去
      处理信号，等系统调用结束或缺页异常结束时再去处理信号。
解决的问题：
  1. 执行系统调用或缺页异常时屏蔽信号，防止中断去处理信号
  2.解决无法kill 因为用户态的锁、ipc等阻塞的用户态线程
  3.进程退出方式转变为: 依次通过kill去杀死该进程的所有线程

Close #I3S0N0

Change-Id: I0c48b9c89382826191b8a9326c71b57ba84124c2
 2021-05-24 14:29:37 +08:00
openharmony_ci 3f16f1684a !248 fix: fix length typo 
Merge pull request !248 from kenneth/los_queue.h
 2021-05-22 09:13:46 +08:00
openharmony_ci 9b364500ad !252 删除冗余宏定义OFFSET_OF_FIELD 
Merge pull request !252 from JerryH/list
 2021-05-21 09:54:18 +08:00
arvinzzz 8cde768588 refactor: Refactored the kernel boot process and added a init framework 
close: #I3I768

Change-Id: I4f801df4abe1a9afdf43391c28276e96a5e81513
 2021-05-20 16:45:43 +08:00
kenneth 2b643b04c1 fix:fix queuePosition typo 2021-05-19 14:05:28 +08:00
YOUR_NAME 9b4129c949 Remove redundant macro definition(OFFSET_OF_FIELD) 
Close #I3QMN1

Change-Id: I0ddd0c4474f5f6b5a2b1dd6608d642167b5548e6
 2021-05-19 11:20:09 +08:00
kenneth a68295d2a9 fix:change queuePosion to queuePosition 2021-05-19 08:38:33 +08:00
openharmony_ci 29fc5b3e3d !236 fix: modify event API description 
Merge pull request !236 from MGY917/event
 2021-05-15 10:05:46 +08:00
Guangyao Ma 937734b1e9 fix: modify event API description 
Change-Id: I131c70e52d907b6c52232596475f2dba16612fce
 2021-05-11 21:09:24 +08:00
zhushengle 1e308db64e fix:Fixed exception not saving stack pointer of SVC mode and abnormal signal processing issues 
Close #I3OAFR

Change-Id: I25b14572809b6fabb9e9d17de89a99047c02a59b
 2021-05-11 09:58:54 +08:00
zhushengle 6d63f75e7f fix:Solve the coupling between the kernel and the structure under ARCH. 
Close #I3OAFR

Change-Id: Icea238e20adf402d0ec1fc7e47ff4e58124a5e83
 2021-04-26 19:54:49 +08:00
Guangyao Ma deaa564a66 fix: dereference NULL point bug fix 
Change-Id: Ib068696c9280105e209469e875c187d741b704d2
 2021-04-25 11:47:05 +08:00
Caoruihong 7e73c929a2 remove __cplusplus guards in .c files 
Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f
 2021-04-19 18:28:25 +08:00
x_xiny a041342a69 signal 
Change-Id: Ia42e914b7a19b7d519010e371f808baa1c6588c0
 2021-04-02 18:27:31 +08:00
YOUR_NAME c959d43684 IssueNo:#I3E0F2 
Description:Delete VM to support only kernel mode.
Sig:liteos_a
Feature or Bugfix:Feature
Binary Source:No

Change-Id: Ie1029c8fbc0c1b85c138663933118d2d148b7769
 2021-03-31 16:14:54 +08:00
openharmony_ci 51e587ca44 !59 【轻量级 PR】：update kernel/base/ipc/los_futex.c. 
Merge pull request !59 from 冷钦街/N/A
 2021-03-25 11:29:52 +08:00
wangchenyang d970750808 Description:vfs refactoring 
Feature or Bugfix:Feature
Binary Source:Huawei
PrivateCode(Yes/No):Yes

Change-Id: I175d2648bc6f9078c34de2c0a5c93fda10b86c47
ChangeID:13306388
 2021-03-19 13:22:46 +08:00
mamingshuai 73a7b66116 update openharmony 1.0.1 2021-03-11 18:43:57 +08:00
冷钦街 91e4e73dab update kernel/base/ipc/los_futex.c. 2021-01-15 07:13:07 +08:00
openharmony_ci c69eee403e !39 修正OsSigTimedWaitNoLock只清除一个pending信号 
Merge pull request !39 from laokz/signal
 2020-12-09 14:08:36 +08:00
laokz a706de2fad fix hilog, vm_syscall etc. typos 2020-12-08 18:00:32 +08:00
laokz 4ea33fa9f9 修正OsSigTimedWaitNoLock只清除一个pending信号 2020-12-05 17:38:05 +08:00
Caoruihong 63bd69267a drop unnecessary executable file permission mode 
Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86
 2020-10-13 16:37:25 +08:00
zhushengle a73348da8d modify the indentation 2020-09-28 14:35:53 +08:00
zhushengle c884ada07d Solve the static problem of user mode locking under high concurrency. 2020-09-28 14:12:46 +08:00
wenjun 6df931fc98 add OpenHarmony 1.0 baseline 2020-09-08 17:22:24 +08:00