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054cb2ada2ca58645a8c2e25c37ed0e5f69b7d70
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373 Commits

Author SHA1 Message Date
NAKAMURA Gou
054cb2ada2 テスト支援コード 
- vm_range_list のテスト支援コード
- vm_range 一致確認用関数追加
  できれば、指定範囲内の変更を無視させたいのだが、
  指定範囲内の変更のために split されたエントリを無害と判断できない
- page table のテスト支援コード
 2014-09-17 19:46:48 +09:00
NAKAMURA Gou
219291f40f exit_group 時に空きページ数を表示する 2014-09-17 19:46:46 +09:00
NAKAMURA Gou
b361012563 marker 2014-09-17 19:46:41 +09:00
NAKAMURA Gou
fbd33470e7 fix warnings 2014-09-17 19:46:39 +09:00
Naoki Hamada
d7436652bf procfs: add support for <pid>/mem files and ad hoc fix for memory incoherency. 2014-09-17 15:49:47 +09:00
Tomoki Shirasawa
878ba35804 /proc/mcos?/<pid>/task/<tid>/stat support 2014-09-15 19:21:27 +09:00
Balazs Gerofi bgerofi@riken.jp
f7780cfe93 kmalloc()/kfree(): allow CPU cores to kfree() a piece of memory that was kmalloc()ed by another core through embedding CPU id into malloc_header 2014-09-14 23:22:43 +09:00
bgerofi@riken.jp
225509786f do_fork(): fix variable name when DEBUG_PRINT_SC enabled 2014-09-11 16:58:59 +09:00
Masamichi Takagi
7e6fbc4854 Support negative first argument in waitpid 
Make waitpid wait any process with the pgid of -<1st-arg> when setting
minus value to the first argument.
 2014-09-11 15:20:32 +09:00
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
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
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