Commit Graph

1313 Commits

Author SHA1 Message Date
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
Balazs Gerofi bgerofi@riken.jp
ac40b96c24 execve(): support for ETXTBSY via a new ioctl() call to test in kernel space with open_exec() 2014-09-10 14:09:11 +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.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
Balazs Gerofi bgerofi@riken.jp
15c9ae4c8d execve(): lookup_exec_path() support for symlinks based on COKERNEL_EXEC_ROOT 2014-09-04 18:11:41 +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
Masamichi Takagi
a16c3170ef Correct wait4 when the child is not found
Make wait4 return -ECHILD when pid is specified and it's not found.
2014-09-04 17:11:05 +09:00
Naoki Hamada
c939a372b0 Added mcexec hack. 2014-09-04 16:44:30 +09:00
Naoki Hamada
12ef361436 Removed unneeded variable. 2014-09-04 15:04:22 +09:00
Naoki Hamada
0f95a84293 Migrated. 2014-09-04 14:58:04 +09:00
Tomoki Shirasawa
fea02b0ece Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-03 18:33:32 +09:00
Tomoki Shirasawa
7da4b8b8dc fix sched_[sg]etaffinity(tid==0, ...) (LTP sched_getaffinity01) 2014-09-03 18:22:27 +09:00
Balazs Gerofi bgerofi@riken.jp
cd366de097 execve():
- COKERNEL_PATH and COKERNEL_EXEC_ROOT support for co-kernels with different architecture than the host (i.e., Xeon Phi).
- fix various error codes: ENAMETOOLONG, ENOENT, ENOTDIR, EACCES, ENOEXEC, EFAULT.
- support for shell code execution.
2014-09-03 18:15:43 +09:00
Naoki Hamada
319590910a Almost implemented. 2014-09-03 15:20:39 +09:00
Tomoki Shirasawa
308987c1ee infrequent fail LTP pipe02 2014-09-03 15:17:44 +09:00
NAKAMURA Gou
d0b6aa1047 Merge branch 'bug201.get_user_pages' 2014-09-03 11:24:22 +09:00
Tomoki Shirasawa
7b825c0a65 fix coredump (ltp abort01) 2014-09-03 10:56:41 +09:00
NAKAMURA Gou
4177f1c9cd TODO: get_page()ed pages have to be put_page()ed
The pages which get_page() has been called with should be recorded.
Because these pages have to be passed to put_page()
before they are freed.
2014-09-02 15:43:10 +09:00
NAKAMURA Gou
f2e0e42ba4 mcexec: report proper error when __NR_munmap fails 2014-09-02 15:43:08 +09:00
NAKAMURA Gou
431adf7e7c mcctrl: report success when __NR_munmap succeeds 2014-09-02 15:43:07 +09:00
Tomoki Shirasawa
34854d3c93 ltp times03 2014-09-01 14:27:31 +09:00
Naoki Hamada
650088774d Fix for typo. 2014-08-28 15:02:59 +09:00
Naoki Hamada
6245a8eb63 Aesthetical changes. 2014-08-28 15:02:10 +09:00
Naoki Hamada
34c4dd8d77 Separated procfs functions for mcctrl. 2014-08-28 15:00:39 +09:00
Naoki Hamada
3293bfaa1e Fix for generalization. 2014-08-28 14:41:32 +09:00
Naoki Hamada
ca1bf7b7fa Remove debug error. 2014-08-28 09:16:50 +09:00
Naoki Hamada
cb4b00ba97 Added debug messages. 2014-08-28 09:16:50 +09:00
Naoki Hamada
c783ec8e11 Implemented procfs. 2014-08-28 09:16:50 +09:00
Naoki Hamada
5775d3e6da Preliminary implementation for procfs. 2014-08-28 09:16:50 +09:00
Tomoki Shirasawa
f535670100 fix pipe02 2014-08-27 16:50:01 +09:00
Tomoki Shirasawa
bc8b441358 process table traversing must be under interrupt inhibition
add finding process table function (findthread_and_lock/process_unlock)
2014-08-25 13:24:06 +09:00
Tomoki Shirasawa
d2537e0963 sigsuspend don't wait SIGSTOP, not SIGTERM 2014-08-21 17:25:02 +09:00
Tomoki Shirasawa
f4818e9c09 don't force terminate, when SIGTERM recieved 2014-08-21 17:22:11 +09:00
Tomoki Shirasawa
dd8b2a8f15 sigaction returns -EINVAL, when sig == SIGKILL or SIGSTOP 2014-08-21 14:04:38 +09:00
Tomoki Shirasawa
78d10cce80 support process group 2014-08-18 17:08:28 +09:00
Tomoki Shirasawa
663c121308 interrupt syscall sufficient threads 2014-08-18 16:49:49 +09:00
Tomoki Shirasawa
23ab6032ba don't close /dev/mcos 2014-08-18 16:25:24 +09:00
NAKAMURA Gou
8c1c8a40d1 use madvise() when zap_vma_ptes() fails 2014-08-07 17:53:26 +09:00
NAKAMURA Gou
b4910ec33f use vm_insert_page() if 'struct page' exists 2014-08-07 17:53:26 +09:00
NAKAMURA Gou
fe39d56554 use mixed mapping instead of PFN mapping 2014-08-07 17:53:26 +09:00
NAKAMURA Gou
a79a0a618d drop VM_IO because it's not MMIO 2014-08-07 17:53:26 +09:00
Balazs Gerofi bgerofi@riken.jp
9fda245490 execve(): return correct error value when failure (errno) 2014-08-07 14:35:15 +09:00