| Commit message (Collapse) | Author | Age |
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* util.c (printllval): Add align argument.
* defs.h (printllval): Update prototype.
(printllval_aligned, printllval_unaligned): New macros.
* file.c (sys_readahead, sys_truncate64, sys_ftruncate64, sys_fadvise64,
sys_fadvise64_64, sys_sync_file_range, sys_sync_file_range2,
sys_fallocate): Replace printllval call with printllval_aligned.
* io.c (sys_pread, sys_pwrite): Likewise.
(sys_preadv, sys_pwritev): Replace printllval call with
printllval_unaligned.
* linux/arm/syscallent.h: Set the number of preadv and pwritev
arguments to 5.
* linux/mips/syscallent-o32.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/xtensa/syscallent.h: Likewise.
Reported-by: Dima Kogan <dima@secretsauce.net>
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Automatically update all xlat structures using the following sed regexp:
s/^[[:space:]]*{[[:space:]]*0[[:space:]]*,[[:space:]]*NULL[[:space:]]*,\?[[:space:]]*}[[:space:]]*,\?[[:space:]]*/\tXLAT_END/
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Automatically convert all xlat structures to XLAT form
using the following sed regexp:
s/^[[:space:]]*{[[:space:]]*\([^",}[:space:]]\+\)[[:space:]]*,[[:space:]]*"\1",\?[[:space:]]*}[[:space:]]*/\tXLAT(\1)/
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sendfile parser used to decode off_t* parameter as a pointer to host
off_t type. With this change, it is decoded as a pointer to target long
type.
* io.c (print_off_t): New function.
(sys_sendfile): Use it.
* linux/aarch64/syscallent1.h: Use sys_sendfile64 for sendfile decoding.
* linux/tile/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Use sys_sendfile64 for sendfile64 decoding.
* linux/metag/syscallent.h: Correct sendfile syscall name.
* linux/or1k/syscallent.h: Likewise.
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This is a preparatory mass replace patch with no code changes.
The future change will need to typedef sysent to sysent0,
which results in compile failures when "struct sysent" string
gets mangled into "struct sysent0".
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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While looking at mmap mess, did experimenting in order
to figure out what gets used when.
Tried building armv4tl, armv5l, armv6l, mips, mipsel, i686,
x86_64 and none of they have long long off_t,
which isn't suprprising: we aren't using glibc defines
which enable that.
Moreover, we SHOULD NOT use off_t in syscall decode!
Its size depends on libc, not on arch! I.e. it is essentially
unpredictable and can even in theory vary on the same arch
with different libc.
We should use longs or long longs, in a way which matches
architectural ABI for the given syscall. There are usually
*at most* two permutations, no need to add yet another variable
(sizeof(off_t)) to the mix.
This change removes almost all HAVE_LONG_LONG_OFF_T conditionals,
which will reveal further possible simplifications.
* mem.c: Remove code conditional on HAVE_LONG_LONG_OFF_T.
As a result, never remap sys_mmap64 to sys_mmap.
(print_mmap): Compile unconditionally.
(sys_old_mmap): Compile unconditionally.
(sys_mmap): Compile unconditionally.
* io.c (sys_sendfile): Add a FIXME comment.
* file.c: Remove code conditional on HAVE_LONG_LONG_OFF_T.
As a result, never remap sys_*stat64 to sys_*stat etc.
(sys_truncate): Compile unconditionally.
(realprintstat): Likewise.
(sys_stat): Likewise.
(sys_fstat): Likewise.
(sys_lstat): Likewise.
* desc.c (printflock): Likewise.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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* io.c: Remove limits.h inclusion.
(tprint_iov): Use "(unsigned long) -1L" instead of "ULONG_MAX".
* net.c: Remove limits.h inclusion.
(printmmsghdr, sys_sendmsg): Use "(unsigned long) -1L" instead of
"ULONG_MAX".
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I noticed that "hostname -d" talks over netlink and gets 20 bytes
of response, but we show entire 1024 bytes of iov.
This changes fixes that.
* defs.h: New function tprint_iov_upto.
* io.c (tprint_iov_upto): Definition of this function.
(tprint_iov): Call tprint_iov_upto.
* net.c (do_msghdr): Add data_size parameter, pass it down to tprint_iov_upto.
(printmsghdr): Add data_size parameter, pass it down to do_msghdr.
(printmmsghdr): Call do_msghdr with data_size==ULONG_MAX.
(sys_sendmsg): Call printmsghdr with data_size==ULONG_MAX.
(sys_recvmsg): Call printmsghdr with data_size==tcp->u_rval.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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I got tired of figuring out mtd structures (which show up a lot
in the embedded space), so add decoders for those ioctls.
* defs.h (mtd_ioctl): New prototype.
(print_loff_t): Likewise.
* io.c (print_loff_t): Delete static keyword
* ioctl.c (ioctl_decode): Call mtd_ioctl when code is 'M'.
* Makefile.am (strace_SOURCES): Add mtd.c.
(EXTRA_DIST): Add linux/mtd-abi.h.
* mtd.c: New file.
* linux/mtd-abi.h: New file.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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On i386:
text data bss dec hex filename
238025 672 18980 257677 3ee8d strace.before
237389 704 18944 257037 3ec0d strace
* defs.h: Define PERSONALITY0_WORDSIZE as sizeof(long) if not defined.
Introduce new define, current_wordsize as
(personality_wordsize[current_personality]).
Make set_personality() no-op, current_personality constant zero,
current_wordsize as PERSONALITY0_WORDSIZE if we have only one personality.
* count.c (call_summary): Use current_wordsize instead of
personality_wordsize[current_personality].
* desc.c (printflock): Likewise.
* file.c (sys_utime): Likewise.
* io.c (tprint_iov): Likewise.
* process.c (printargv): Likewise.
* resource.c (decode_rlimit): Likewise.
* signal.c (sys_kill): Likewise.
(sys_rt_sigaction): Likewise.
* time.c (sprinttv): Likewise.
(sprint_timespec): Likewise.
(printitv_bitness): Likewise.
(tprint_timex): Likewise.
(printsigevent): Likewise.
* util.c (dumpiov): Likewise.
(umoven): Likewise.
(umovestr): Likewise.
* syscall.c: Initialize sysent to sysent0 etc.
Make current_personality, personality_wordsize[], set_personality()
conditional on SUPPORTED_PERSONALITIES > 1.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The files not mentioned in changelog below had only
copyright notices fixes and indentation fixes.
* defs.h: Include <stdint.h> and <inttypes.h>.
* file.c: Do not include <inttypes.h>.
Move struct kernel_dirent declaration below top include block.
* block.c: Do not include <stdint.h> and <inttypes.h>.
* quota.c: Likewise.
* desc.c: Likewise.
* signal.c: Likewise.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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* io.c (sys_vmsplice): Output iovec length.
* process.c (sys_process_vm_readv): Likewise.
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Suppress repeated empty lines left after automated code removal.
This change was made by filtering every source code file through
"cat -s".
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Conditions such as defined(LINUX) are always true now,
defined(FREEBSD) etc are always false.
When if directive has them as subexpressions, it can be simplified.
Another trivial changes here are fixes for directive indentation.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This change is generated by running every source through the following command:
unifdef -DLINUX -Dlinux -USUNOS4 -USVR4 -UUNIXWARE -UFREEBSD
-USUNOS4_KERNEL_ARCH_KLUDGE -UHAVE_MP_PROCFS
-UHAVE_POLLABLE_PROCFS -UHAVE_PR_SYSCALL -UUSE_PROCFS file.c
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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When HAVE_LONG_LONG_OFF_T is defined, we need to use %llu to print
offset.
* io.c (sys_sendfile): Check HAVE_LONG_LONG_OFF_T when printing
offset.
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* io.c [HAVE_LONG_LONG_OFF_T]: Remove sys_pread64 and sys_pwrite64
aliases.
(sys_pread64, sys_pwrite64): Define these functions only on
[SVR4 && _LFS64_LARGEFILE] platform.
* linux/mips/syscallent.h: Use sys_pread and sys_pwrite to handle
appropriate syscalls.
* linux/syscall.h (sys_pread64, sys_pwrite64): Remove.
* syscall.c (dumpio): Check sys_pread64 and sys_pwrite64 only on
[SVR4 && _LFS64_LARGEFILE] platform.
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* io.c (print_loff_t): New function.
(sys_sendfile64): Use it.
(splice_flags): New xlat structure.
(sys_tee, sys_splice, sys_vmsplice): New functions.
* linux/syscall.h (sys_tee, sys_splice, sys_vmsplice): Declare them.
* linux/*/syscallent.h: Use them.
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* bjm.c: Replace tprintf("str") with tprints("str").
* block.c: Likewise.
* desc.c: Likewise.
* file.c: Likewise.
* io.c: Likewise.
* ipc.c: Likewise.
* mem.c: Likewise.
* net.c: Likewise.
* proc.c: Likewise.
* process.c: Likewise.
* quota.c: Likewise.
* resource.c: Likewise.
* scsi.c: Likewise.
* signal.c: Likewise.
* sock.c: Likewise.
* strace.c: Likewise.
* stream.c: Likewise.
* syscall.c: Likewise.
* system.c: Likewise.
* term.c: Likewise.
* time.c: Likewise.
* util.c: Likewise.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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* defs.h: Declare tprints().
* strace.c: Define tprints().
(tabto): Use tprints(str), since tprintf(str) was throwing a warning.
* desc.c: Use tprints(str) instead of tprintf("%s", str).
* file.c: Likewise.
* io.c: Likewise.
* net.c: Likewise.
* process.c: Likewise.
* signal.c: Likewise.
* syscall.c: Likewise.
* util.c: Likewise.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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* desc.c (decode_select): Move assignment out of if() condition.
* file.c (sprinttime): Likewise.
(sys_getdirentries): Likewise.
* io.c (sys_ioctl): Likewise.
* strace.c (test_ptrace_setoptions_followfork): Likewise.
(main): Likewise.
(proc_open): Likewise.
(detach): Likewise.
(proc_poll): Likewise.
(trace): Likewise.
* syscall.c (qualify): Likewise.
(sys_indir): Likewise.
* test/procpollable.c (main): Likewise.
* test/sfd.c (main): Likewise.
* time.c (printtv_bitness): Likewise.
(sprinttv): Likewise.
(print_timespec): Likewise.
(void sprint_timespec): Likewise.
(printitv_bitness): Likewise.
* util.c (dumpstr): Likewise.
(umovestr): Likewise.
(fixvfork): Likewise.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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* defs.h (tprint_iov): Add decode_iov argument.
* io.c (tprint_iov): Implement new decode_iov argument.
(sys_readv, sys_writev, sys_sendfile, sys_preadv, sys_pwritev): Update
tprint_iov calls.
* net.c (do_msghdr): Likewise.
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* io.c [LINUX && HAVE_SYS_UIO_H] (sys_preadv, sys_pwritev): New functions.
* linux/syscall.h (sys_preadv, sys_pwritev): Declare them.
* linux/*/syscallent.h: Use them.
Signed-off-by: Damir Shayhutdinov <damir@altlinux.ru>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
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* bjm.c: Convert all remaining old-style C function definitions
to a "modern" form. This does not change any actual code.
* io.c: Likewise
* ioctl.c: Likewise
* net.c: Likewise
* proc.c: Likewise
* process.c: Likewise
* signal.c: Likewise
* sock.c: Likewise
* strace.c: Likewise
* stream.c: Likewise
* syscall.c: Likewise
* system.c: Likewise
* time.c: Likewise
* util.c: Likewise
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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* defs.h (printfd): New function prototype.
* util.c (printfd): New function.
* file.c (print_dirfd): Update prototype to use printfd().
(sys_openat, sys_faccessat, sys_newfstatat, sys_mkdirat, sys_linkat,
sys_unlinkat, sys_readlinkat, sys_renameat, sys_fchownat, sys_fchmodat,
sys_futimesat, sys_utimensat, sys_mknodat): Update use of print_dirfd().
(sys_lseek, sys_llseek, sys_readahead, sys_ftruncate, sys_ftruncate64,
sys_fstat, sys_fstat64, sys_oldfstat, sys_fstatfs, sys_fstatfs64,
sys_fchdir, sys_fchroot, sys_linkat, sys_fchown, sys_fchmod, sys_fsync,
sys_readdir, sys_getdents, sys_getdirentries, sys_fsetxattr,
sys_fgetxattr, sys_flistxattr, sys_fremovexattr, sys_fadvise64,
sys_fadvise64_64, sys_inotify_add_watch, sys_inotify_rm_watch,
sys_fallocate): Use printfd() for decoding of file descriptors.
* desc.c (sys_fcntl, sys_flock, sys_close, sys_dup, do_dup2,
decode_select, sys_epoll_ctl, epoll_wait_common): Use printfd() for
decoding of file descriptors.
* io.c (sys_read, sys_write, sys_readv, sys_writev, sys_pread,
sys_pwrite, sys_sendfile, sys_sendfile64, sys_pread64, sys_pwrite64,
sys_ioctl): Likewise.
* mem.c (print_mmap, sys_mmap64): Likewise.
* signal.c (do_signalfd): Likewise.
* stream.c (decode_poll): Likewise.
* time.c (sys_timerfd_settime, sys_timerfd_gettime): Likewise.
Based on patch from Grant Edwards <grant.b.edwards@gmail.com>.
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* defs.h (ALIGN64): Remove.
(printllval): Declare.
* util.c (printllval): Define.
* file.c (sys_readahead): Use printllval.
(sys_lseek64): Likewise.
(sys_truncate64): Likewise.
(sys_ftruncate64): Likewise.
(sys_fadvise64): Likewise.
(sys_fadvise64_64): Likewise.
(sys_fallocate): Likewise.
* io.c (sys_pread): Likewise.
(sys_pwrite): Likewise.
(sys_pread64): Likewise.
(sys_pwrite64): Likewise.
* mem.c (sys_mmap64): Likewise.
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* defs.h [MIPS]: Include <sgidefs.h>.
(MAX_QUALS): Update for MIPS.
(LINUX_MIPSO32, LINUX_MIPSN32, LINUX_MIPSN64, LINUX_MIPS64): Define.
(struct tcb): Add ext_arg for MIPS N32.
(TCB_WAITEXECVE): Define for MIPS.
(ALIGN64): Use LINUX_MIPSO32.
* file.c (sys_lseek): Use ext_arg for MIPS N32.
(sys_readahead, sys_fadvise64_64): Likewise.
* io.c (sys_pread64, sys_pwrite64): Likewise.
* mem.c (print_mmap): Take OFFSET argument.
(sys_old_mmap): Update call to print_mmap.
(sys_mmap): Use ext_arg for MIPS N32.
* process.c (struct_user_offsets): Add MIPS registers.
* signal.c (sys_sigreturn): Handle MIPS N32 and MIPS N64. Correct
MIPS O32 call to sprintsigmask.
* syscall.c (internal_syscall): Handle MIPS N32. Check for
TCB_WAITEXECVE on MIPS.
(force_result): Add a comment about MIPS N32.
(syscall_enter): Handle MIPS N32 and MIPS N64.
* linux/syscall.h (sys_pread64, sys_pwrite64): Declare.
* linux/mips/syscallent.h: Include "dummy.h". Handle alternate
MIPS ABIs.
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Add biarch support for "struct iovec".
* defs.h (personality_wordsize): Add.
* io.c [HAVE_SYS_UIO_H] (tprint_iov): [LINUX &&
SUPPORTED_PERSONALITIES > 1] Handle 32-bit personality.
* util.c [HAVE_SYS_UIO_H] (dumpiov): [LINUX &&
SUPPORTED_PERSONALITIES > 1] Likewise.
Patch from Jakub Jelinek.
Fixes RH#218433.
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Deal with memory management issues.
* defs.h (tprint_iov): Update prototype.
* desc.c (sys_epoll_wait) [HAVE_SYS_EPOLL_H]: Do not allocate
epoll_event array of arbitrary size on the stack, to avoid
stack overflow.
* file.c (print_xattr_val): Check for integer overflow during
malloc size calculation, to avoid heap corruption.
* io.c (tprint_iov) [HAVE_SYS_UIO_H]: Check for integer overflow
during malloc size calculation, to avoid heap corruption.
Change iovec array handling to avoid heap memory allocation.
* mem.c (get_nodes) [LINUX]: Check for integer overflow during
size calculation and do not allocate array of arbitrary size on
the stack, to avoid stack overflow.
* net.c (printcmsghdr) [HAVE_SENDMSG]: Do not allocate array of
arbitrary size on the stack, to avoid stack overflow. Do not
trust cmsg.cmsg_len to avoid read beyond the end of allocated
object.
(printmsghdr) [HAVE_SENDMSG]: Update tprint_iov() usage.
* process.c (sys_setgroups): Check for integer overflow during
malloc size calculation, to avoid heap corruption. Change gid_t
array handling to avoid heap memory allocation.
(sys_getgroups): Likewise.
(sys_setgroups32) [LINUX]: Likewise.
(sys_getgroups32) [LINUX]: Likewise.
* stream.c (sys_poll) [HAVE_SYS_POLL_H]: Check for integer
overflow during malloc size calculation, to avoid heap corruption.
Change pollfd array handling to avoid heap memory allocation.
* system.c (sys_sysctl) [LINUX]: Check for integer overflow
during malloc size calculation, to avoid heap corruption.
* util.c (dumpiov) [HAVE_SYS_UIO_H]: Check for integer overflow
during malloc size calculation, to avoid heap corruption.
Fixes RH#159196.
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* file.c (sys_llssek, sys_readahead, sys_fadvise64, sys_fadvise64_64):
Use LONG_LONG macro.
* io.c (sys_pread, sys_pwrite, sys_sendfile): Likewise.
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* syscall.c (sysent0, sysent1, sysent2, sysent): Add const to defn.
(nsyscalls0, nsyscalls1, nsyscalls2): Likewise.
(errnoent0, errnoent1, errnoent2, errnoent): Likewise.
(nerrnos0, nerrnos1, nerrnos2): Likewise.
* signal.c (signalent0, signalent1, signalent2): Likewise.
(nsignals0, nsignals1, nsignals2): Likewise.
(signame): LIkewise.
* ioctl.c (ioctlent0, ioctlent1, ioctlent2): Likewise.
(nioctlents0, nioctlents1, nioctlents2): Likewise.
(ioctl_lookup, ioctl_next_match): Likewise.
* defs.h: Update decls.
* io.c (sys_ioctl): Update users.
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* defs.h (ioctl_lookup): Prototype change.
* ioctl.c (ioctl_next_match): New function.
* defs.h: Declare it.
* io.c (sys_ioctl): Use it, to display all possible ioctl names
when there's more than one match.
* ioctl.c (ioctl_lookup): Likewise.
* stream.c (internal_stream_ioctl): Likewise.
Patch from Solar Designer <solar@openwall.com>.
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* defs.h (ALIGN64): Define for MIPS.
* io.c (PREAD_OFFSET_ARG): Define.
(sys_pread, sys_pwrite): Use it.
* process.c (struct_user_offsets) [SH]: Check whether REG_XDREG0
is defined.
* linux/sh/syscallent.h (pread, pwrite): Take six arguments.
(truncate64, ftruncate64): Pretty-print.
* linux/mips/syscallent.h (pread, pwrite): Take six arguments.
(truncate64, ftruncate64): Take four arguments.
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* io.c [LINUX] (sys_pread, sys_pwrite): Fix last change.
From Anton Blanchard <anton@samba.org>.
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* defs.h [POWERPC] (UESP, EIP, EAX, ORIG_EAX): Remove this cruft.
[LINUX && POWERPC && !__powerpc64__] (ALIGN64): New macro.
* io.c (sys_pread, sys_pwrite): Use ALIGN64.
From Anton Blanchard <anton@samba.org>.
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* configure.in: Check for linux/xattr.h and linux/futex.h headers.
* linux/syscall.h: Add sys_* decls for new syscalls getpmsg, putpmsg,
readahead, sendfile64, setxattr, fsetxattr, getxattr, fgetxattr, int
listxattr, flistxattr, removexattr, fremovexattr, sched_setaffinity,
sched_getaffinity, futex.
* linux/syscallent.h: Update the table.
* io.c: Add sys_sendfile64.
* file.c: Add sys_readahead, sys_*xattr.
* process.c: Add sys_futex, sys_*affinity.
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See the ChangeLog for details
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