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b50e205a613e812da5aa47ff0c6cddde49bcd9fb
Commit Graph

122 Commits

Author SHA1 Message Date
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
Naoki Hamada
efc817de92 Merge branch 'master' of postpeta.pccluster.org:mckernel 2014-09-05 17:20:50 +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
Naoki Hamada
c783ec8e11 Implemented procfs. 2014-08-28 09:16:50 +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
78d10cce80 support process group 2014-08-18 17:08:28 +09:00
Naoki Hamada
3fa6818962 Merge from master. 2014-07-31 18:30:39 +09:00
Naoki Hamada
b58682dd73 Merge branch 'master' of postpeta.pccluster.org:mckernel into gdb 2014-07-31 10:31:45 +09:00
Balazs Gerofi bgerofi@riken.jp
c83e80ad91 execve(): clear host user-space PTEs before context switching 2014-07-28 18:57:56 +09:00
Naoki Hamada
530535c162 Merge remote branch 'origin/master' into gdb 2014-07-23 10:29:07 +09:00
Naoki Hamada
5888dcd4c7 Aestethical change. 2014-07-23 10:26:36 +09:00
Balazs Gerofi bgerofi@riken.jp
101a0f6e4a remote TLB invalidation code for multi-threaded applications (e.g., during munmap()) 2014-07-22 12:24:07 +09:00
Naoki Hamada
9dd7d6283c Merge remote branch 'origin/master' into gdb 
Conflicts:
	kernel/include/process.h
 2014-07-18 16:03:35 +09:00
YOSHIDA Masanori
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
YOSHIDA Masanori
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
YOSHIDA Masanori
1889d10e3a add cpu_set and getter/setter of that (incomplete sched_***affinity) 2014-07-13 17:04:32 +09:00
Naoki Hamada
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
NAKAMURA Gou
36cff84e05 add zeroobj for private anonymous mappings 2014-07-07 18:11:43 +09:00
NAKAMURA Gou
380fcbda73 add shmobj for shared anonymous mappings 2014-07-07 18:11:40 +09:00
NAKAMURA Gou
9057268f0e add memobj's default action 2014-07-07 18:11:38 +09:00
NAKAMURA Gou
9efb5e4fc5 add memobj_has_pager() 2014-07-07 18:11:36 +09:00
Naoki Hamada
ed9da789e6 Created gencore() and minor aestetical changes. 
modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-02 16:23:32 +09:00
NAKAMURA Gou
11bb334bd4 support mremap(2) 
fixes #22
 2014-07-02 15:30:52 +09:00
Naoki Hamada
4f1b3f22ef Working code for infrastructure. 
modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-02 12:39:08 +09:00
Naoki Hamada
53a80e0720 Experimental implementation of map & write. 
Data is still dummy.
Not even compiled.
	modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-01 16:50:25 +09:00
Naoki Hamada
83ced89fa3 Initial commit for core dump. 
We can create a dummy core file when gpe occurs.
	modified:   executer/kernel/mcctrl.h
	modified:   executer/kernel/syscall.c
	modified:   kernel/include/syscall.h
	modified:   kernel/mem.c
 2014-07-01 16:03:11 +09:00
NAKAMURA Gou
90aaf9dc9c support remap_file_pages(2) 
fixes #21
 2014-06-30 17:33:51 +09:00
Tomoki Shirasawa
770eae0186 support sigaltstack 2014-06-25 13:45:33 +09:00
Balazs Gerofi bgerofi@riken.jp
514d75b685 execve(): supporting syscall and mcexec modifications 2014-05-22 17:39:13 +09:00
Tomoki Shirasawa
3e830521c1 move rt_sigaction to device dependent 
fix call kill(getpid(), ) after sigaction aborted
 2014-05-16 09:50:06 +09:00
NAKAMURA Gou
99dec9b805 add parameters to arch_vrflag_to_ptattr() 
for other architectures and future use
refs #18
 2014-05-07 21:24:45 +09:00
NAKAMURA Gou
769cf79bf8 move vrflag_to_ptattr() to arch/x86/kernel/memory.c 
refs #18
 2014-05-07 21:24:45 +09:00
NAKAMURA Gou
8097b057da add page_is_in_memobj() and page_is_multi_mapped() 
These are page test functions.
 2014-05-07 21:24:45 +09:00
NAKAMURA Gou
ce7af5839d keep page.count valid through its life cycle 2014-05-07 21:24:45 +09:00
NAKAMURA Gou
29c7d40005 use atomic operations for manipulating page.count 2014-05-07 21:24:45 +09:00
Balazs Gerofi bgerofi@riken.jp
0e348e6295 SIGCHLD and wait4(), i.e. wait()/waitpid() implementation 2014-04-23 13:33:18 +09:00
Balazs Gerofi bgerofi@riken.jp
7103fed1dc rename free_process() ro release_process() 2014-04-23 13:31:15 +09:00
NAKAMURA Gou
39a86fad18 support execute disabled stack 2014-04-11 14:59:47 +09:00
Balazs Gerofi bgerofi@riken.jp
cf442e6a14 fork(): preliminary version (no wait()/waitpid() support yet) 2014-04-02 14:07:38 +09:00
Balazs Gerofi bgerofi@riken.jp
ccd770ba24 use per-process wait queues for system call request processing in mcexec so that multiple processes can share the per-core system call channels 2014-03-27 19:31:42 +09:00
NAKAMURA Gou
dca831b94f add error check codes for madvise() 
The advice will be ignored even if this madvise() succeed.
 2014-02-05 11:31:03 +09:00
NAKAMURA Gou
fcbaa9726c correct the syscall return type 
Long size syscall return values such as shmat()'s and lseek()'s are
broken, because lower 32 bits are only returned.
 2014-02-05 11:30:57 +09:00
NAKAMURA Gou
93c5385f65 implement mmap(MAP_LOCKED) 2014-01-27 18:59:36 +09:00
NAKAMURA Gou
f0a52d4519 implement mmap(MAP_POPULATE) 
populate_process_memory() function is not efficient,
because whether every small page is present is checked.
 2014-01-27 18:50:38 +09:00
NAKAMURA Gou
f5b4057074 add vsyscall 
- getcpu() is not implemented. It will cause SIGILL.
- gettimeofday() and time() are implemented with syscall.
 2014-01-24 20:18:36 +09:00
NAKAMURA Gou
c421965542 relocate a program interpreter to the map_start 
This commit makes a system call that dereferences a NULL pointer fail.
 2014-01-14 18:55:16 +09:00
Tomoki Shirasawa
8411f353fe signal part 3 (EFAULT) 2014-01-13 10:52:29 +09:00
Tomoki Shirasawa
0465cc16b9 signal (part 2) sigpending 2014-01-07 19:52:06 +09:00
Tomoki Shirasawa
a8c249ddaf signal (part 1) 2014-01-07 11:57:57 +09:00