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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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on first call, very early on, from boot-supplied entropy, then feed from
that. Later when we have more subsystems ready, the main() can properly
initialize the entropy-driven model. Lots of discussion with mikeb.
ok kettenis markus mikeb
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Initialize ci_randseed better using arc4random() + a trick. Remove the
libkern srandom() API since it is not suitable for this use.
ok kettenis miod
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is no longer providing significant value. The random subsystem is in
pretty good state, and moments later userland will feed the dmesg.
ok jsing
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point at which everything it does is safe, including msg buffer access.
ok kettenis jsing
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spotted by kettenis
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compat pointed out by miod), and place it inside the ELF .openbsd.randomdata
segment. Inside main(), only re-initialize the guard if the bootblocks
failed to initialize it for us.
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and do not need microtime.
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arc4random() much earlier. Leading to random pids for anything
besides 0 and 1.
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use TAILQ_*_SAFE more than might be needed.
Bulk ports build by sthen@ showed nobody sticking their fingers
so deep into the kernel.
Feedback and suggestions from millert@. ok jsing@
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tasks are modelled on the timeout api, so users familiar with
timeout_set, timeout_add, and timeout_del will already know what
to expect from task_set, task_add, and task_del.
i wrote this because workq_add_task can fail in the place you
actually need it, and there arent any good ways of recovering at
that point. workq_queue_task was added to try and help, but required
external state to be stored for users of that api to know whether
something was already queued or not.
workqs also didnt provide a way to cancel or remove work.
this has been percolating with a bunch of people. putting it in as i
wrote it so i can apply their feedback to the code with the history kept
in cvs.
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- the mpath hooks path drivers call dont have to parse autoconf
structures to tell if mpath may attach in the future. it now either
has already attached or never will, which is simpler to check.
- i can get rid of the global mpath target array by moving it into
the mpath softc because of the above.
- makes reasoning about state transitions (especially around when
to attach) when groups of paths are implemented a lot simpler
the only real caveat is dmesg feng shui may be ruined. i can come
back and look at this after i move mpath itself forward though.
discussed with deraadt@ miod@
ok todd@ matthew@ krw@
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ok matthew@ deraadt@
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.h files to pull it in, if needed
ok tedu
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from hshoexer@; ok tedu@, "looks good" deraadt@
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executable and DSO (via crtbegin.c/crtbeginS.c). Not used yet, but
needed before GCC can start emitting -fstack-protector code that uses
them instead of __guard.
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I need this for my diffs.
ok guenther@
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of per-rthread. Handling of per-thread tick and runtime counters
inspired by how FreeBSD does it.
ok kettenis@
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declared in .h files, not in each .c. Apply that rule to endtsleep(),
scheduler_start(), updatepri(), and realitexpire()
ok deraadt@ tedu@
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KERNEL_PROC_LOCK -> KERNEL_LOCK
KERNEL_PROC_UNLOCK -> KERNEL_UNLOCK
oga@ ok
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problem has been tracked down. This fixes the sharing of the signal
handling state: shared bits go in sigacts, per-rthread bits goes in
struct proc.
ok deraadt@
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until they're zombies and then send them signals (for intr mounts). Until
that is untangled, the sigacts change is unsafe. sthen@ was the victim
for this one
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be shared (p_sigignore, p_sigcatch, P_NOCLDSTOP, P_NOCLDWAIT) moves
to struct sigacts, wihle stuff that should be per rthread (ps_oldmask,
SAS_OLDMASK, ps_sigstk) moves to struct proc. Treat the coredumping
state bits (ps_sig, ps_code, ps_type, ps_sigval) as per-rthread
until our locking around coredumping is better.
Oh, and remove the old SunOS-compat ps_usertramp member.
"I like the sound of this" tedu@
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into struct process.
ok tedu@ deraadt@
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can make attempts to load 'entropy' into the RC4.
ok miod ariane
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for it. This makes the netisr a real C function which will help further
development. No noticable performance change on i386 and amd64.
With input from kettenis@ and miod@ additional OKs mikeb@ and henning@
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Move pool initialization to init_crypto and zap the crypto_pool_initialized
variable. This way we don't have to check if the pool are initialized every
time we do a crypto_getreq().
However, also perform the crypto initialisation earlier in init_main so
that the crypto pools are initialised before they are used.
ok mikeb@ thib@ deraadt@
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so that the process-level stuff is to/from struct process and not
struct proc. This fixes a bunch of problem cases in rthreads.
Based on earlier work by blambert and myself, but mostly written
at c2k10.
Tested by many: deraadt, sthen, krw, ray, and in snapshots
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and make it possible to bind sockets (including listening sockets!)
to rtables and not just rdomains. This changes the name of the
system calls, socket option, and ioctl. After building with this
you should remove the files /usr/share/man/cat2/[gs]etrdomain.0.
Since this removes the existing [gs]etrdomain() system calls, the
libc major is bumped.
Written by claudio@, criticized^Wcritiqued by me
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count was always one. That's pointless, so remove the member and the code.
ok tedu@
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ok miod@, thib@, oga@, jsing@
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configure(), since some upcoming changes will require it.
ok henning
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so put it in struct process instead of struct proc. While at it,
move the p_emul member inside struct proc so that it gets copied
automatically instead of requiring manual assignment.
ok deraadt@
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catch the libc major bump per request from deraadt@
Diff by reyk.
ok guenther@
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inline the loop in the one place it exists, and remove it from uvm
adjust a comment mentioning it accordingly
originally inspired by a diff fixing a comment from oga@
ok art@ beck@ miod@ oga@
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thinks they could be available via multiple paths. those stolen
devices are then made available via mpath(4).
this is the minimum amount of code to implement the stealing. it
is generally broken and very brittle, so it is currently disabled.
it is going in so i can work on it in the tree.
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which is exactly what the macro does.
Macro's that are nothing more then:
#define FUNCTION(arg) function(arg)
are almost always pointless and should go away.
OK blambert@
Agreed by many.
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in sysctl hw.ncpufound; ok miod kettenis
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NetBSD.
ok kurt@, drahn@, miod@
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userland for handling. this is to scsi what tun(4) is for networks.
this is going into the tree so i can work on some crazy scsi stuff, but its
not being enabled since it is useless unless you're working on some crazy
scsi stuff.
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which are uniform for the profclock on each cpu in a SMP system (but using
a different seed for each cpu). on all cpus, avoid seeding with a value out
of the [0, 2^31-1] range (since that is not stable)
ok kettenis drahn
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