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struct ucred; struct process then directly links to the ucred
Based on a discussion at c2k10 or so before noting that FreeBSD and
NetBSD did this too.
ok matthew@
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Linux-compat clone() syscall when *not* using CLONE_THREAD. pirofti@
confirms Opera runs in compat without this, so out it goes; one less hair
to choke on in kern_exit.c
ok tedu@ pirofti@
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make it a list of processes, and change P_NOZOMBIE and P_STOPPED from thread
flags to process flags. Add allprocess list for the code that just wants
to see processes.
ok tedu@
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sysctl() to be per-process instead of per-thread. This means the
filedesc table has to really be per-process instead of per-thread,
so make it an error for the linux clone() emulation to try to do
otherwise. This removes pointless duplication in fstat's output.
requested by jsing@ and deraadt@, ok matthew@ deraadt@
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the TCB value from the parent instead of having it zeroed.
ok pirofti@
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move that out of i386_set_threadbase(), and have clone() pass NULL
to fork1() for the child func argument so that it gets the child
proc pointer.
Report and verification by pirofti@, heavy lifting by matthew@
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This is more than a simple syscall.This expands TLS support quite a bit.
Also linux_sys_clone() handles CLONE_CHILD_CLEARTID, CLONE_CHILD_SETTID,
CLONE_PARENT_SETTID flags as well as the CLONE_SETTLS by doing what
set_thread_area() is doing.
Next on the list is futex support which should allow compat to cope with
newer Linux kernels.
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when not doing CLONE_THREAD, like we did before, instead of treating
it as an error. This unbreaks Opera running in linux compat.
Also, Linux completely ignores CLONE_DETACHED, so do that too, and
consistently refer to the flags in comment via their Linux names
without trying to abbreviate them further.
Problem found and fix confirmed by sturm@
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and catching FORK_THREAD when RTHREADS wasn't compiled in. Simplify
sys_rfork() based on that.
Flesh out the Linux clone support with more flags, but stricter
checks for missing support or bad combos. Still not enough for
NPTL to work, mind you.
ok kettenis@
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Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.
OK deraadt@
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and have it stall on a semaphore. This allows all kthread creations which
could have been requested during autoconf to be processed before root
is mounted as well.
This causes umass devices attached to any usb with flags 1 (such as on macppc)
to configure properly instead of panicing the kernel at mountroot time.
From NetBSD; tested by various.
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instead of doing fork1, cpu_set_kpc. This lets us retire cpu_set_kpc and
avoid a multiprocessor race.
This commit breaks vax because it doesn't look like any other arch, someone
working on vax might want to look at this and try to adapt the code to be
more like the rest of the world.
Idea and uvm parts from NetBSD.
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on NetBSD's code, as well as some faked Posix RT extensions by me. This makes
at least simple linuxthreads tests work.
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naddy
guenther
pirofti
ray
miod
niklas
art
jasoni