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 and Balazs 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
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
Tomoki Shirasawa