Point P_tmpdir to /tmp instead of /var/tmp.

Temp files are much better of placed in /tmp than in the not-so-volatile
/var/tmp. Additionally, people might get space issues or might have tuned
their

Point P_tmpdir to /tmp instead of /var/tmp.

Temp files are much better of placed in /tmp than in the not-so-volatile
/var/tmp. Additionally, people might get space issues or might have tuned
their /tmp for speed, but not /var/tmp.

Libiberty, among other consumers is using P_tmpdir to place the temp files,
leading compiler temp files being created in /var/tmp.

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1:1 Userland threading stage 4.8/4:

Add syscalls lwp_gettid() and lwp_kill().

Add prototype for lwp_create().

1:1 Userland threading stage 4.5/4:

Add a new syscall, extexit(), which follows approximately the semantics
discussed about two years ago. This function will be used by userland
threading libraries

1:1 Userland threading stage 4.5/4:

Add a new syscall, extexit(), which follows approximately the semantics
discussed about two years ago. This function will be used by userland
threading libraries to exit just a single lwp of a process.

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Rename /usr/src/sys/machine to /usr/src/sys/platform. Give the platform
name its own variable, MACHINE_PLATFORM, instead of trying to use MACHINE
to name it. Adjust the build infrastructure to matc

Rename /usr/src/sys/machine to /usr/src/sys/platform. Give the platform
name its own variable, MACHINE_PLATFORM, instead of trying to use MACHINE
to name it. Adjust the build infrastructure to match.

Revert MACHINE back to its original definition and remove uname shims.
This removes confusion with third party software.

This means a pc32 build has MACHINE=i386 and MACHINE_ARCH=i386, and a
vkernel build also has MACHINE=i386 and MACHINE_ARCH=i386. The new
MACHINE_PLAFORM would be pc32 for a pc32 build, and vkernel for a vkernel
build.

Adjust all kernel configuration files to specify platform, machine, AND
machine_arch.

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Install tap headers.

Noticed-by: sephe@

Rename the following special extended I/O system calls. Only libc, libc_r,
and VKERNEL are currently known to use these calls so the rename should have
no major effects.

Fix broken prototypes in un

Rename the following special extended I/O system calls. Only libc, libc_r,
and VKERNEL are currently known to use these calls so the rename should have
no major effects.

Fix broken prototypes in unistd.h.

__accept -> extaccept
__connect -> extconnect
__pread -> extpread
__preadv -> extpreadv
__pwrite -> extpwrite
__pwritev -> extpwritev

Broken-Prototypes-Reported-by: Joe Talbott <josepht@cstone.net>

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Make more libc prototypes available to _KERNEL builds.