b50e205a61
Support pid of zero when calling waitpid
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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
efc817de92
Merge branch 'master' of postpeta.pccluster.org:mckernel
2014-09-05 17:20:50 +09:00
cd366de097
execve():
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- 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
319590910a
Almost implemented.
2014-09-03 15:20:39 +09:00
c783ec8e11
Implemented procfs.
2014-08-28 09:16:50 +09:00
bc8b441358
process table traversing must be under interrupt inhibition
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add finding process table function (findthread_and_lock/process_unlock)
2014-08-25 13:24:06 +09:00
78d10cce80
support process group
2014-08-18 17:08:28 +09:00
3fa6818962
Merge from master.
2014-07-31 18:30:39 +09:00
b58682dd73
Merge branch 'master' of postpeta.pccluster.org:mckernel into gdb
2014-07-31 10:31:45 +09:00
c83e80ad91
execve(): clear host user-space PTEs before context switching
2014-07-28 18:57:56 +09:00
530535c162
Merge remote branch 'origin/master' into gdb
2014-07-23 10:29:07 +09:00
5888dcd4c7
Aestethical change.
2014-07-23 10:26:36 +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
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Conflicts:
kernel/include/process.h
2014-07-18 16:03:35 +09:00
3751fa1766
add some functions related to migration into kernel/process.h
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... 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
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- syscall support
-- sched_setaffinity
-- sched_getaffinity
- migration in scheduler
- resched at return of syscalls/interrupts
2014-07-13 17:04:47 +09:00
1889d10e3a
add cpu_set and getter/setter of that (incomplete sched_***affinity)
2014-07-13 17:04:32 +09:00
1d45444d54
Added code for generating core image.
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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
36cff84e05
add zeroobj for private anonymous mappings
2014-07-07 18:11:43 +09:00
380fcbda73
add shmobj for shared anonymous mappings
2014-07-07 18:11:40 +09:00
9057268f0e
add memobj's default action
2014-07-07 18:11:38 +09:00
9efb5e4fc5
add memobj_has_pager()
2014-07-07 18:11:36 +09:00
ed9da789e6
Created gencore() and minor aestetical changes.
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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
11bb334bd4
support mremap(2)
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fixes #22
2014-07-02 15:30:52 +09:00
4f1b3f22ef
Working code for infrastructure.
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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
53a80e0720
Experimental implementation of map & write.
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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
83ced89fa3
Initial commit for core dump.
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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
90aaf9dc9c
support remap_file_pages(2)
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fixes #21
2014-06-30 17:33:51 +09:00
770eae0186
support sigaltstack
2014-06-25 13:45:33 +09:00
514d75b685
execve(): supporting syscall and mcexec modifications
2014-05-22 17:39:13 +09:00
3e830521c1
move rt_sigaction to device dependent
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fix call kill(getpid(), ) after sigaction aborted
2014-05-16 09:50:06 +09:00
99dec9b805
add parameters to arch_vrflag_to_ptattr()
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for other architectures and future use
refs #18
2014-05-07 21:24:45 +09:00
769cf79bf8
move vrflag_to_ptattr() to arch/x86/kernel/memory.c
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refs #18
2014-05-07 21:24:45 +09:00
8097b057da
add page_is_in_memobj() and page_is_multi_mapped()
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These are page test functions.
2014-05-07 21:24:45 +09:00
ce7af5839d
keep page.count valid through its life cycle
2014-05-07 21:24:45 +09:00
29c7d40005
use atomic operations for manipulating page.count
2014-05-07 21:24:45 +09:00
0e348e6295
SIGCHLD and wait4(), i.e. wait()/waitpid() implementation
2014-04-23 13:33:18 +09:00
7103fed1dc
rename free_process() ro release_process()
2014-04-23 13:31:15 +09:00
39a86fad18
support execute disabled stack
2014-04-11 14:59:47 +09:00
cf442e6a14
fork(): preliminary version (no wait()/waitpid() support yet)
2014-04-02 14:07:38 +09:00
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
dca831b94f
add error check codes for madvise()
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The advice will be ignored even if this madvise() succeed.
2014-02-05 11:31:03 +09:00
fcbaa9726c
correct the syscall return type
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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
93c5385f65
implement mmap(MAP_LOCKED)
2014-01-27 18:59:36 +09:00
f0a52d4519
implement mmap(MAP_POPULATE)
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populate_process_memory() function is not efficient,
because whether every small page is present is checked.
2014-01-27 18:50:38 +09:00
f5b4057074
add vsyscall
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- getcpu() is not implemented. It will cause SIGILL.
- gettimeofday() and time() are implemented with syscall.
2014-01-24 20:18:36 +09:00
c421965542
relocate a program interpreter to the map_start
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This commit makes a system call that dereferences a NULL pointer fail.
2014-01-14 18:55:16 +09:00
8411f353fe
signal part 3 (EFAULT)
2014-01-13 10:52:29 +09:00
0465cc16b9
signal (part 2) sigpending
2014-01-07 19:52:06 +09:00
a8c249ddaf
signal (part 1)
2014-01-07 11:57:57 +09:00
