linux: Export linux_convert_l_sigevent

Reviewed by: imp, kib
Pull Request: https://github.com/freebsd/freebsd-src/pull/1248

sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

linux(4): Rename linux_timer.h to linux_time.h

To avoid confusing people, rename linux_timer.h to linux_time.h,
as linux_timer.c is the implementation of timer syscalls only,
while linux_time.c cont

linux(4): Rename linux_timer.h to linux_time.h

To avoid confusing people, rename linux_timer.h to linux_time.h,
as linux_timer.c is the implementation of timer syscalls only,
while linux_time.c contains implementation of all stuff declared
in linux_time.h.

MFC after: 2 weeks

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linux(4): Cleanup abi_compat.h include from linux_timer.h

Leftover after timespec copyin/copyout routines was implemented.

MFC after: 2 weeks

linux(4): Add a helper intended for copying timespec's from the userspace.

There are many places where we copyin Linux timespec from the userspace
and then convert it to the kernel timespec. To avoi

linux(4): Add a helper intended for copying timespec's from the userspace.

There are many places where we copyin Linux timespec from the userspace
and then convert it to the kernel timespec. To avoid code duplication
add a tiny halper for doing this.

MFC after: 2 weeks

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linux(4): Add a helper intended for copying timespec's to the userspace.

There are many places where we convert natvie timespec and copyout it to
the userspace. To avoid code duplication add a tiny

linux(4): Add a helper intended for copying timespec's to the userspace.

There are many places where we convert natvie timespec and copyout it to
the userspace. To avoid code duplication add a tiny halper for doing this.

MFC after: 2 weeks

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linux(4): Implement timer_gettime64 syscall.

MFC after: 2 weeks

linux(4): add struct timespec64 definition and conversion routine for
future use.

MFC after: 2 weeks

Centralize compatability translation macros.

Copy the CP, PTRIN, etc macros from freebsd32.h into a sys/abi_compat.h
and replace existing definitation with includes where required. This
eliminates d

Centralize compatability translation macros.

Copy the CP, PTRIN, etc macros from freebsd32.h into a sys/abi_compat.h
and replace existing definitation with includes where required. This
eliminates duplicate code and allows Linux and FreeBSD compatability
headers to be included in the same files.

Input from: cem, jhb
Obtained from: CheriBSD
MFC after: 2 weeks
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D24275

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Use the kern_clock_nanosleep() to implement Linux clock_nanosleep() with
the proper handling of the TIMER_ABSTIME flag.

XMFC after: r315526

MFC after: 1 month

Implement timerfd family syscalls.

MFC after: 1 month

Return EOVERFLOW error in case then the size of tv_sec field of struct timespec
in COMPAT_LINUX32 Linuxulator's not equal to the size of native tv_sec.

MFC after: 1 month

Delete the duplicate of linux_to_native_clockid() function.

Differential Revision: https://reviews.freebsd.org/D1521
Reviewed by: trasz

Do not use struct l_timespec without conversion. While here move
args->timeout handling before acquiring the futex key at FUTEX_WAIT path.

Differential Revision: https://reviews.freebsd.org/D1520
Re

Do not use struct l_timespec without conversion. While here move
args->timeout handling before acquiring the futex key at FUTEX_WAIT path.

Differential Revision: https://reviews.freebsd.org/D1520
Reviewed by: trasz

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Add some clock mappings used in glibc 2.20.

Differential Revision: https://reviews.freebsd.org/D1465
Reviewd by: trasz

Implement most of timer_{create,settime,gettime,getoverrun,delete}
for amd64/linux32. Fix the entirely bogus (untested) version from
r161310 for i386/linux using the same shared code in compat/linux

Implement most of timer_{create,settime,gettime,getoverrun,delete}
for amd64/linux32. Fix the entirely bogus (untested) version from
r161310 for i386/linux using the same shared code in compat/linux.

It is unclear to me if we could support more clock mappings but
the current set allows me to successfully run commercial
32bit linux software under linuxolator on amd64.

Reviewed by: jhb
Differential Revision: D784
MFC after: 3 days
Sponsored by: DARPA, AFRL

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