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0f1fc88ce943d4672525f85514c5e6bccb260c22
Commit Graph
1402 Commits
Author SHA1 Message Date
Masamichi TakagiandTomoki Shirasawa f28eb0a672 Fix taking exit status when wait4()-ing stopped 2014-10-15 14:49:36 +09:00
Masamichi TakagiandTomoki Shirasawa 95dd193fd6 Fix reporting of having done execve to ptracer 2014-10-15 14:49:23 +09:00
Naoki HamadaandTomoki Shirasawa 2997274470 Make __WCLONE option for wait4(2) and flags for clone(2) work properly. 2014-10-15 14:45:58 +09:00
Masamichi TakagiandTomoki Shirasawa 66db108dd3 Use erase-safe Ver. of list traversal in waitpid 2014-10-15 14:42:52 +09:00
Masamichi TakagiandTomoki Shirasawa 013d3e95c2 Fix manipulation of fork_tree_node for ptrace 2014-10-15 14:42:17 +09:00
Masamichi TakagiandTomoki Shirasawa 658b88fd7b Modify spacing 2014-10-15 14:40:47 +09:00
Naoki HamadaandTomoki Shirasawa da17625be9 gdb: definitions for ptrace() and syscall part of TRACEME 2014-10-15 14:30:17 +09:00
Masamichi TakagiandTomoki Shirasawa dbecaa2fc8 Add ptrace functions of job-control and signal 
Note that a forked process automatically becomes ptraced state in this
commit.
 2014-10-15 14:28:55 +09:00
NAKAMURA Gou aa05f00e7e don't map syscall pages into process space 
Request pages, response pages, and a doorbell page are mapped into
process space to enable user processes to delegate system calls
directly to mcctrl/mcexec.

This commit removes these mappings for the following reasons.
- These mappings cause a memory leak in current fork() implementation.
- These mappings are not used.
- These mappings do not function properly.
  And the fix which corrects function of these mappings is not easy.
 2014-10-10 16:20:38 +09:00
NAKAMURA Gou 6415559a81 procfs: use current cpu's syscall_channel 2014-10-10 16:20:38 +09:00
Tomoki Shirasawa 658aa18ade add memory debug (kmalloc/kfree) 
* support "memdebug" mckernel option
* check buffer overrun when memory free and next mcexec run
* check double free
* check memory leak when next mcexec run
 2014-10-07 15:45:16 +09:00
NAKAMURA Gou 905fb9abb6 devobj: relax the size limit to 512 pages 2014-09-25 18:07:31 +09:00
Tomoki Shirasawa a0c5d5c5de Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-23 23:18:27 +09:00
Tomoki Shirasawa 39f36120c1 support sigqueue 2014-09-23 23:17:53 +09:00
Masamichi Takagi a7b0880a8d Make findthread_and_lock take ihk_spinlock_t ** 2014-09-23 12:03:48 +09:00
Naoki Hamada 43e54dcf85 procfs: fix for http://postpeta.pccluster.org/redmine/issues/119#note-30 2014-09-22 10:46:33 +09:00
bgerofi@riken.jpandBalazs Gerofi bgerofi@riken.jp 55aeceb1bf execve()/creat(): handle NULL env correctly and support for holding executable file so that write access returns ETXTBSY 2014-09-18 21:25:04 +09:00
NAKAMURA Gou e5917e6bf1 Revert "fix warnings" 
This reverts commit fbd33470e7.
 2014-09-17 19:59:37 +09:00
NAKAMURA Gou f267b65fba Revert "marker" 
This reverts commit b361012563.
 2014-09-17 19:59:36 +09:00
NAKAMURA Gou b13b8e91b2 Revert "exit_group 時に空きページ数を表示する" 
This reverts commit 219291f40f.
 2014-09-17 19:59:33 +09:00
NAKAMURA Gou 7e12f0db72 Revert "テスト支援コード" 
This reverts commit 054cb2ada2.
 2014-09-17 19:59:32 +09:00
NAKAMURA Gou 776dfff734 Revert "terminate するときに空きページ数を表示するようにした" 
This reverts commit d4ffe7db8d.
 2014-09-17 19:59:29 +09:00
NAKAMURA Gou d692b57a67 Revert "idle 開始時に free_list の状況を表示する" 
This reverts commit ec47968a48.
 2014-09-17 19:59:27 +09:00
NAKAMURA Gou c9f8bb0201 mmap: support device mapping (in progress) refs #218 2014-09-17 19:52:00 +09:00
NAKAMURA Gou 438c7fd784 add devobj a new memobj 2014-09-17 19:48:02 +09:00
NAKAMURA Gou fdb86115a8 add pager requests for device mapping 
- PAGER_REQ_MAP
  map specified file, and create a private device pager.
- PAGER_REQ_UNMAP
  destroy specified private device pager, and unmap related mapping.
- PAGER_REQ_PFN
  report a physical address.
 2014-09-17 19:48:00 +09:00
NAKAMURA Gou f641090a7e support uncachable on-demand mapping 2014-09-17 19:47:58 +09:00
NAKAMURA Gou ec47968a48 idle 開始時に free_list の状況を表示する 2014-09-17 19:46:52 +09:00
NAKAMURA Gou d4ffe7db8d terminate するときに空きページ数を表示するようにした 2014-09-17 19:46:50 +09:00
NAKAMURA Gou 054cb2ada2 テスト支援コード 
- vm_range_list のテスト支援コード
- vm_range 一致確認用関数追加
  できれば、指定範囲内の変更を無視させたいのだが、
  指定範囲内の変更のために split されたエントリを無害と判断できない
- page table のテスト支援コード
 2014-09-17 19:46:48 +09:00
NAKAMURA Gou 219291f40f exit_group 時に空きページ数を表示する 2014-09-17 19:46:46 +09:00
NAKAMURA Gou b361012563 marker 2014-09-17 19:46:41 +09:00
NAKAMURA Gou fbd33470e7 fix warnings 2014-09-17 19:46:39 +09:00
Naoki Hamada d7436652bf procfs: add support for <pid>/mem files and ad hoc fix for memory incoherency. 2014-09-17 15:49:47 +09:00
Tomoki Shirasawa 878ba35804 /proc/mcos?/<pid>/task/<tid>/stat support 2014-09-15 19:21:27 +09:00
Balazs Gerofi bgerofi@riken.jp f7780cfe93 kmalloc()/kfree(): allow CPU cores to kfree() a piece of memory that was kmalloc()ed by another core through embedding CPU id into malloc_header 2014-09-14 23:22:43 +09:00
bgerofi@riken.jpandBalazs Gerofi bgerofi@riken.jp 225509786f do_fork(): fix variable name when DEBUG_PRINT_SC enabled 2014-09-11 16:58:59 +09:00
Masamichi Takagi 7e6fbc4854 Support negative first argument in waitpid 
Make waitpid wait any process with the pgid of -<1st-arg> when setting
minus value to the first argument.
 2014-09-11 15:20:32 +09:00
Masamichi Takagi c78be27442 Support SIGSTOP and SIGCONT 2014-09-10 18:19:39 +09:00
Masamichi Takagi 7ca4ca4d37 Revert "Support SIGSTOP and SIGCONT" 
This reverts commit 2325d47952.
 2014-09-10 18:19:17 +09:00
Masamichi Takagi 2325d47952 Support SIGSTOP and SIGCONT 2014-09-10 17:01:21 +09:00
Masamichi Takagi b50e205a61 Support pid of zero when calling waitpid 
Make waitpid wait any process with the same pgid of the caller when
setting zero to the pid argument.
 2014-09-10 17:01:05 +09:00
Tomoki Shirasawa cee647aee4 sigsuspend restore sigmask 2014-09-09 13:54:36 +09:00
Tomoki Shirasawa d6aef3aa2c copy sigmask from parent process to child 2014-09-09 13:53:25 +09:00
Masamichi Takagi 19fa391d4f Implement vfork system call 
It's implemented by making it issue clone system call internally with
the arguments of (SIGCHLD, 0, 0, 0, 0). The feature in which the caller
of vfork blocks until the child issues exit/execve is not implemented.
Refer to #233.
 2014-09-08 17:06:05 +09:00
bgerofi@riken.jpandBalazs Gerofi bgerofi@riken.jp 0de6a30426 wait4(): do not return ECHILD when child exists but not in PS_ZOMBIE state yet 2014-09-05 18:28:40 +09:00
Naoki Hamada efc817de92 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-05 17:20:50 +09:00
Naoki Hamada 95781d59e3 Fix for eof. 2014-09-05 17:15:54 +09:00
Naoki Hamada a06e5eb47e Bug fixes. 2014-09-05 16:20:15 +09:00
Masamichi Takagi e45632c9f8 Check "options" argument in wait4 
Make wait4 return -EINVAL when not supported options are requested.
 2014-09-04 17:32:26 +09:00