world: Honour the NO_SHARE in make.conf

Mark all cases that touch ${DESTDIR}/usr/share in one way or another.

While there, adust libmagic to use MAGICSHAREDIR instead of FILESDIR.

In-discussion-wi

world: Honour the NO_SHARE in make.conf

Mark all cases that touch ${DESTDIR}/usr/share in one way or another.

While there, adust libmagic to use MAGICSHAREDIR instead of FILESDIR.

In-discussion-with: swildner

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libc - Add rtld stubs for pthreads

* Add needed rtld stubs for -static -pthreads links.

rtld - Add fork hooks for libthread_xu to install

* Add fork hooks for libthread_xu to install. rtld must acquire its
locks exclusively during a fork, and then release them after the
fork is co

rtld - Add fork hooks for libthread_xu to install

* Add fork hooks for libthread_xu to install. rtld must acquire its
locks exclusively during a fork, and then release them after the
fork is complete, to prevent the fork() from catching the locks in
a bad state. See libthread_xu.

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Remove "kernel ppp", i.e. if_ppp.ko and pppd(8).

It has been replaced by ppp(8), in conjunction with tun(4).

While here, rename the ppp-user rc script to 'ppp' and fix up
REQUIRE/PROVIDE situation.

libc/net: Add NI_NUMERICSCOPE flag for getnameinfo().

Code to handle it is already present in getnameinfo() but we
were missing the flag so far.

See http://pubs.opengroup.org/onlinepubs/9699919799/

libc/net: Add NI_NUMERICSCOPE flag for getnameinfo().

Code to handle it is already present in getnameinfo() but we
were missing the flag so far.

See http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html

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Fix some minor issues in several manual pages.

Fix some Xr punctuation issues in several manual pages.

kernel - Restrict kill(-1, ...) to the reaper group as well

* When kill(-1, ...) is issued to 'all processes', restrict the list
of processes signaled to the sender's reaper group or any sub-group

kernel - Restrict kill(-1, ...) to the reaper group as well

* When kill(-1, ...) is issued to 'all processes', restrict the list
of processes signaled to the sender's reaper group or any sub-group
of that group.

* This works around issues found when testing low maxproc limits.
At least one (and probably several) third party programs do not
properly handle errors when [v]fork() returns -1 and may try to
signal the returned 'pid', which being -1 crowbars the entire system.

* Fixes issue when a cmake running under synth hits a fork failure
and tries to signal the whole system. With this change, the cmake
winds up only crowbaring its own chroot due to synthexec's use of
the reaper feature.

* Adjust the kill.2 manual page to reflect the change.

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shm_open(3): Set the FD_CLOEXEC flag for the new fd, per POSIX.

See:

http://pubs.opengroup.org/onlinepubs/9699919799/functions/shm_open.html

libc: Reduce -Wmissing-prototypes warnings a bit.

libc: Use _ioctl() internally.

kqueue.2: Improve explanation of EV_EOF for fifos.

* The EV_EOF flag can't be cleared with EV_CLEAR. For Fifos it will be
cleared when a new reader (for EVFILT_WRITE) or writer (for EVFILT_READ)

kqueue.2: Improve explanation of EV_EOF for fifos.

* The EV_EOF flag can't be cleared with EV_CLEAR. For Fifos it will be
cleared when a new reader (for EVFILT_WRITE) or writer (for EVFILT_READ)
connects.

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kqueue.2: Mention EV_NODATA flag, which may be set in addition to EV_EOF.

* The EV_NODATA flag was added in 3bcb6e5e80cb05cecaddd866d4b15b428334b9aa.

libc - Fix bug in rcmdsh()

* rcmdsh() (which really nothing should be using any more anyway) used
a generic wait(NULL) to wait for a child to exit, but this can wind
up waiting for the wrong pid

libc - Fix bug in rcmdsh()

* rcmdsh() (which really nothing should be using any more anyway) used
a generic wait(NULL) to wait for a child to exit, but this can wind
up waiting for the wrong pid in a multi-threaded or multi-fork environment.

* Solved by waiting on the specific pid instead.

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libc/libpthread: Add clock_getcpuclockid() and pthread_getcpuclockid().

* Adjust clock_gettime() and clock_getres() to accept values obtained
this way.

* Also set _POSIX_CPUTIME and _POSIX_THREAD

libc/libpthread: Add clock_getcpuclockid() and pthread_getcpuclockid().

* Adjust clock_gettime() and clock_getres() to accept values obtained
this way.

* Also set _POSIX_CPUTIME and _POSIX_THREAD_CPUTIME, although we should
really support values obtained by these functions in clock_settime()
too.

Based on and taken from FreeBSD's code.

Reviewed-by: sephe

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Fix few typos.

While there, make few whitespace adjustments.

pthread: Add pthread_getthreadid_np() function, bump __DragonFly_version.

Using pthread_getthreadid_np() can directly use the thread-ID value that is
already cached in the pthread_t struct.

Partly

pthread: Add pthread_getthreadid_np() function, bump __DragonFly_version.

Using pthread_getthreadid_np() can directly use the thread-ID value that is
already cached in the pthread_t struct.

Partly Taken-From: FreeBSD

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Define __* symbols for the malloc(3) functions to make wrapping easier.

This should match what FreeBSD and other systems do. Where the __* variants
always refer to the libc function, but the actual

Define __* symbols for the malloc(3) functions to make wrapping easier.

This should match what FreeBSD and other systems do. Where the __* variants
always refer to the libc function, but the actual malloc(), free() etc.
symbols can be overrided by a malloc wrapper.

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libc/gmon: Replace sbrk() with mmap()

- Fixes profiling for C++ programs compiled with lang/gcc5.

Taken-from: FreeBSD (svn 288009)

Adjust various manual pages for recent work etc.

Clean up SEE ALSO in various manual pages.

Resolve some mdoc issues in manual pages.

Revert "libc: Add temporary (get|set)affinity DF404.0 symbols"

This reverts commit 3c2537818c14aaba122a276020143cd4b92d2cbc.

As indicated in the original commit, the (get|set)affinity DF404.0
symbo

Revert "libc: Add temporary (get|set)affinity DF404.0 symbols"

This reverts commit 3c2537818c14aaba122a276020143cd4b92d2cbc.

As indicated in the original commit, the (get|set)affinity DF404.0
symbols were temporary and limited to the 4.7 development branch.
Now that 4.8 has been officially released, remove them as they
have served their purpose. By now, all software built on 4.7
should have been rebuilt and thus nothing depends on the mistake
symbols.

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libdevstat - Limit sscanf field, fix redundant condition

* Limit a sscanf field to MAXHOSTNAMELEN - 1.

* Remove a redundant condition already tested by the first part of a
conditional.

Dragonfly

libdevstat - Limit sscanf field, fix redundant condition

* Limit a sscanf field to MAXHOSTNAMELEN - 1.

* Remove a redundant condition already tested by the first part of a
conditional.

Dragonfly-bugs: 3009 (dcb)

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kernel - Stir longer in arc4random

* Stir longer in arc4random

Taken-from: FreeBSD
Reported-by: jaykishan mutkawoa