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
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
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
7b825c0a65
fix coredump (ltp abort01)
2014-09-03 10:56:41 +09:00
Naoki Hamada
3293bfaa1e
Fix for generalization.
2014-08-28 14:41:32 +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
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
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
Balazs Gerofi bgerofi@riken.jp
9fda245490
execve(): return correct error value when failure (errno)
2014-08-07 14:35:15 +09:00
Naoki Hamada
26e219e698
Clarification.
2014-08-01 11:31:34 +09:00
Naoki Hamada
2a1c092fcb
Merge remote branch 'origin/master' into gdb
2014-08-01 11:19:18 +09:00
Naoki Hamada
dca9def246
Finalize merger.
2014-08-01 09:25:10 +09:00
Naoki Hamada
570b850861
temporal fix
2014-08-01 09:23:11 +09:00
Masamichi Takagi
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
Naoki Hamada
3fa6818962
Merge from master.
2014-07-31 18:30:39 +09:00
Masamichi Takagi
0dd7a8deff
Put AT_CLKTCK in ELF auxiliary vectors
...
Put AT_CLKTCK in ELF auxiliary vectors because some functions
use the value as described below.
1. GLRO(dl_clktck) set by
_dl_aux_init (in glibc/elf/dl-support.c)
or
_dl_sysdep_start (in elf/dl-sysdep.c)
2. GLRO(dl_clktck) is referenced by
__sysconf (in glibc/sysdeps/posix/sysconf.c)
__getclktck
(in glibc/sysdeps/unix/sysv/linux/getclktck.c)
profil (in glibc/sysdeps/posix/profil.c)
__profile_frequency
(in glibc/sysdeps/unix/sysv/linux/prof-freq.c)
2014-07-31 16:20:48 +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
Balazs Gerofi bgerofi@riken.jp
07b07476b7
remote TLB invalidation: follow migrated threads by affinity calls
2014-07-27 13:11:41 +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
Naoki Hamada
dbdaf0ed32
Fix for demand paging and documentation.
2014-07-23 10:23:02 +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
Naoki Hamada
cb61739c2b
Deleted debug flags & al.
2014-07-18 15:45:40 +09:00
Balazs Gerofi bgerofi@riken.jp
a5b36e2b51
dkprintf() support in kernel/listeners.c
2014-07-17 12:28:57 +09:00
YOSHIDA Masanori and Masamichi Takagi
99931179e1
add get_cpu_id syscall with No.700 for testing
2014-07-13 17:05:27 +09:00
YOSHIDA Masanori and Masamichi Takagi
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 and Masamichi Takagi
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 and Masamichi Takagi
1889d10e3a
add cpu_set and getter/setter of that (incomplete sched_***affinity)
2014-07-13 17:04:32 +09:00
YOSHIDA Masanori and Masamichi Takagi
f923e03565
fix to make CPU idle when len(runq) != 0 but all queued are sleeping
2014-07-13 17:04:09 +09:00
Tomoki Shirasawa
39c8617793
Merge branch 'master' of postpeta.pccluster.org:mckernel
2014-07-13 12:52:16 +09:00
Tomoki Shirasawa
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
Tomoki Shirasawa
292b34fe21
signal handler is not passed to a child process(redmine#62)
2014-07-13 12:49:30 +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
NAKAMURA Gou
d59628e131
fix debug prints to avoid NULL dereferences
2014-07-07 18:11:34 +09:00
NAKAMURA Gou
a8a226a443
use PF_POPULATE for resolving delegated page faults
...
Since a host side PTE does not follow McKernel's copying a COW page,
COW pages cannot be used for resolving delegated page faults.
Therefore, to copy pages eagerly, PF_POPULATE should be used.
2014-07-07 18:11:31 +09:00
Naoki Hamada