Commit Graph

143 Commits

Author SHA1 Message Date
35dc8a3368 Issue IPI if needed when sending SIGSTOP 2014-09-10 21:21:17 +09:00
c78be27442 Support SIGSTOP and SIGCONT 2014-09-10 18:19:39 +09:00
7ca4ca4d37 Revert "Support SIGSTOP and SIGCONT"
This reverts commit 2325d47952.
2014-09-10 18:19:17 +09:00
2325d47952 Support SIGSTOP and SIGCONT 2014-09-10 17:01:21 +09:00
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
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
efc817de92 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-05 17:20:50 +09:00
319590910a Almost implemented. 2014-09-03 15:20:39 +09:00
7b825c0a65 fix coredump (ltp abort01) 2014-09-03 10:56:41 +09:00
f535670100 fix pipe02 2014-08-27 16:50:01 +09:00
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
f4818e9c09 don't force terminate, when SIGTERM recieved 2014-08-21 17:22:11 +09:00
dd8b2a8f15 sigaction returns -EINVAL, when sig == SIGKILL or SIGSTOP 2014-08-21 14:04:38 +09:00
78d10cce80 support process group 2014-08-18 17:08:28 +09:00
663c121308 interrupt syscall sufficient threads 2014-08-18 16:49:49 +09:00
9448cefe80 do not track arch/x86/tools/mcshutdown-attached-mic.sh (generated file) 2014-08-07 14:32:43 +09:00
2a1c092fcb Merge remote branch 'origin/master' into gdb 2014-08-01 11:19:18 +09:00
4d223269e6 Remove delivative files. 2014-08-01 11:14:31 +09:00
1e0db73a48 Add files from master. 2014-08-01 09:16:53 +09:00
6dd5407b5f Return error when no core is available
clone returns -EAGAIN when there is no vacant core.
In addition, clone tries to use the next vacant hyper-threading
core instead of trying to use next vacant hyper-threading core
of the next vacant physical core.
2014-07-31 19:50:41 +09:00
b58682dd73 Merge branch 'master' of postpeta.pccluster.org:mckernel into gdb 2014-07-31 10:31:45 +09:00
8f78b3085c Sending SIGKILL/SIGTERM resulting in SIGSEGV delivered (Redmine#194) 2014-07-29 11:04:46 +09:00
f5b37ef577 Fixed bad offset problem and clarified alignment. 2014-07-25 10:26:24 +09:00
530535c162 Merge remote branch 'origin/master' into gdb 2014-07-23 10:29:07 +09:00
dbdaf0ed32 Fix for demand paging and documentation. 2014-07-23 10:23:02 +09:00
101a0f6e4a remote TLB invalidation code for multi-threaded applications (e.g., during munmap()) 2014-07-22 12:24:07 +09:00
9dd7d6283c Merge remote branch 'origin/master' into gdb
Conflicts:
	kernel/include/process.h
2014-07-18 16:03:35 +09:00
6c3d901069 Include switch for a plain Xeon. 2014-07-17 17:26:54 +09:00
97a74f4692 Fix for core NOTE alignment & al. 2014-07-17 16:56:28 +09:00
3e8083efc1 Prepare for a core file image. 2014-07-17 15:19:25 +09:00
35b8716966 push/pop r12,r13 and r14 as well when entering/leaving kernel space 2014-07-15 18:03:44 +09:00
99931179e1 add get_cpu_id syscall with No.700 for testing 2014-07-13 17:05:27 +09:00
3751fa1766 add some functions related to migration into kernel/process.h
... and also add include guard to arch/x86/kernel/include/signal.h
2014-07-13 17:05:09 +09:00
170a54d976 add CPU affinity function
- syscall support
-- sched_setaffinity
-- sched_getaffinity
- migration in scheduler
- resched at return of syscalls/interrupts
2014-07-13 17:04:47 +09:00
39c8617793 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-07-13 12:52:16 +09:00
5e6ed852cb Kill child threads when receiving terminating signals(redmine#63)
Create process table (child is missing when sending a signal to a child process just after forking it)(redmine#61)
2014-07-13 12:51:28 +09:00
cb9d346567 Fixed wrong %x to %lx. 2014-07-11 18:48:15 +09:00
b3f3932825 Typo fix and removed DUMMY definition. 2014-07-10 17:13:05 +09:00
1d45444d54 Added code for generating core image.
modified:   arch/x86/kernel/gencore.c
	modified:   arch/x86/kernel/include/elfcore.h
	modified:   kernel/include/process.h
	modified:   kernel/process.c
2014-07-10 15:55:35 +09:00
31a605f94b push/pop r15 when entering/leaving kernel space (fix for bug #53: r15 wasn't propagated during fork()) 2014-07-10 13:53:12 +09:00
0d7d1ebbd5 Minor fix for semantic correction. 2014-07-07 16:12:06 +09:00
79a72809af Prepare inside of core. Not tested.
modified:   arch/x86/kernel/gencore.c
	modified:   arch/x86/kernel/include/elfcore.h
	modified:   kernel/mem.c
2014-07-07 15:46:10 +09:00
14cc85c207 Added needed files.
new file:   arch/x86/kernel/gencore.c
	new file:   arch/x86/kernel/include/elfcore.h
	new file:   arch/x86/kernel/include/elfcoregpl.h
2014-07-04 15:44:48 +09:00
11bb334bd4 support mremap(2)
fixes #22
2014-07-02 15:30:52 +09:00
90aaf9dc9c support remap_file_pages(2)
fixes #21
2014-06-30 17:33:51 +09:00
bb3756dc74 add fileoff-type PTE
fileoff-type PTE holds a file offset which the page data should be
loaded from.

refs #21
2014-06-30 17:33:50 +09:00
04f1b3f401 add pte_xchg() 2014-06-30 17:33:46 +09:00
c395dc2410 add pte_is_dirty() 2014-06-30 17:33:45 +09:00
d2e29bf598 add visit_pte_range()
refs #21
refs #22
2014-06-30 17:33:43 +09:00
dc7f38c8c7 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-06-25 13:45:46 +09:00