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2436 Commits

Author SHA1 Message Date
fvdl
6907c4ded8 Do syscall_intern after p_traceflag has been copied to the new 
process (if it is inherited), so that ktrace continues to work
properly on the child.
 2001-01-09 23:36:50 +00:00
nathanw
d75edd2077 Reserve system call slots for getcontext, setcontext, LWPs, and 
scheduler activations.
 2001-01-08 18:25:35 +00:00
chs
6717a2ac1b in vtruncbuf(), use a "synchronous freeing" flush to prevent a race 
between write i/os in a disk-based filesystem vs. the disk block being
freed by a truncation, allocated to a new file, and written again with
different data.  if the disk driver reorders the requests and does
the second i/o first, the old data will clobber the new, corrupting
the new file.
 2001-01-08 07:05:47 +00:00
jdolecek
d7f811d098 utrace(2): limit size of user data to KTR_USER_MAXLEN (currently 2048); return EINVAL if 'len' is bigger 2001-01-05 22:25:26 +00:00
jdolecek
2bd5bf0ec2 regen after utrace() parameter rename 2001-01-05 21:53:38 +00:00
jdolecek
fbc7e223d7 utrace(2): rename 'id' parameter to 'label' 2001-01-05 21:42:08 +00:00
thorpej
eb80878b1b Happy new year! 2001-01-01 20:18:34 +00:00
jdolecek
df458f620b Avoid generating duplicate SYS_* defines to *syscall.h - is possible 
for kern/syscalls.master's sys_getpid()/sys_getpid_with_ppid().
This fixes kern/11853 by Bernd Ernesti.
 2001-01-01 16:41:43 +00:00
sommerfeld
aace86f946 MULTIPROCESSOR: The two calls to psignal() inside mi_switch() are 
inside the scheduler lock perimeter and should be sched_psignal() instead.
 2001-01-01 16:02:51 +00:00
ad
e3514a4191 PR 4853: we fork a lot more during startup these days. Wrap nextpid to 500. 2000-12-31 17:43:41 +00:00
sommerfeld
f2bdd546dd Add a missing simple_unlock() to the LK_NOWAIT/VXLOCK error case in vget(). 2000-12-31 03:13:51 +00:00
jdolecek
7899fd7798 regen - utrace(2) addition 2000-12-28 11:16:48 +00:00
jdolecek
a80dee65df add utrace(2) - this syscall allows to add user ktrace entries 
idea from FreeBSD, but added argument (const char *id) so that it's possible
to differentiate between entries from different sources
 2000-12-28 11:10:15 +00:00
jmc
ca607b87cf Default lock_printf to syslog rather than printf. Some of the lock debug checks 
are done inside of wakeup which is holding the sched lock. Printf can cause
wakeup to get called again (pty redirection of console message) which will
panic with sched lock already held.

This isn't a long term fix as not being able to printf vs. sched lock should
be cleaned up better but this avoids continual panics with lockdebug running
and an xterm -C.
 2000-12-24 23:56:24 +00:00
jdolecek
e9e91a0fb5 split off thread specific stuff from struct sigacts to struct sigctx, leaving 
only signal handler array sharable between threads
move other random signal stuff from struct proc to struct sigctx

This addresses kern/10981 by Matthew Orgass.
 2000-12-22 22:58:52 +00:00
fvdl
0d4862bed1 Regen. 2000-12-22 20:07:09 +00:00
fvdl
8eaf6e8d8e Make that defined(LKM) || defined(_LKM), to catch both the cases 
of compiling a kernel with LKM support and compiling an LKM.
 2000-12-22 20:05:35 +00:00
fvdl
2ac441ddfb LKM -> _LKM around opt_ include. 2000-12-22 20:00:16 +00:00
mrg
264248925f regen 2000-12-22 15:10:38 +00:00
mrg
80ab63644e redo the previous correctly 2000-12-22 15:09:46 +00:00
mrg
af36640df1 regen 2000-12-22 14:59:40 +00:00
mrg
62230909f1 avoid redefinition of VNODE_OP_NOINLINE 2000-12-22 14:58:39 +00:00
mrg
a0e71c9ca7 avoid redefinition of VNODE_OP_NOINLINE 2000-12-22 14:45:50 +00:00
scw
96698d967e Change struct emul's "char e_name[8]" field to "const char *e_name" 
to allow for emulation names >= 8 characters.
 2000-12-19 22:08:36 +00:00
mrg
7284657373 only print the magic number changing if not cold 2000-12-19 04:39:19 +00:00
jdolecek
5c6130a2b1 hum, use freebsd_setregs for FreeBSD ELF binaries (this bug was introduced with 
the execsw[] changes)
 2000-12-17 21:36:49 +00:00
fvdl
89b5cfa9c5 Jump out of the scandir loop if VOP_READDIR returns an error, avoiding 
running around in circles.
 2000-12-15 11:52:14 +00:00
mycroft
b29180b2ff Tighten up the ELF signature checks, and actually look for the ABI tag added 
in newer glibc versions.
 2000-12-15 06:14:21 +00:00
jdolecek
03354da279 this doesn't need <sys/trace.h> 2000-12-13 17:48:46 +00:00
jdolecek
0c74ffb7fd if the third argument in syscall.conf matches [a-z0-9_], use it as 
a function alias instead of the function name in { ... }
 2000-12-12 17:32:45 +00:00
martin
ac28b114d2 Make this compilable again on ports without __HAVE_SYSCALL_INTERN. 2000-12-11 19:53:06 +00:00
mycroft
11fcbfe7a6 Call e_syscall_intern every time ktrace flags are modified. 2000-12-11 16:39:01 +00:00
tsutsui
aaa48a8d25 Use USPACE_ALIGN for an alignment argument on allocating U-area. 
The default value is 0, and could be overridden by machine/vmparam.h.
 2000-12-11 15:35:42 +00:00
mycroft
f495cd9dc6 Introduce 2 new flags in types.h: 
* __HAVE_SYSCALL_INTERN.  If this is defined, e_syscall is replaced by
  e_syscall_intern, which is called at key places in the kernel.  This can be
  used to set a MD syscall handler pointer.  This obsoletes and replaces the
  *_HAS_SEPARATED_SYSCALL flags.
* __HAVE_MINIMAL_EMUL.  If this is defined, certain (deprecated) elements in
  struct emul are omitted.
 2000-12-11 05:28:59 +00:00
thorpej
105cf38061 Add some basic statistics to pool_cache. 2000-12-11 05:22:55 +00:00
fvdl
405b695086 Make sobind() take a struct proc *. It already took curproc and 
passed it down to the appropriate usrreq function, and this
allows usage for contexts that need to be explicitly different
from curproc (like in the NFS code when binding to a reserved port).
 2000-12-10 23:16:28 +00:00
mycroft
66610a4779 Introduce PROC_PC(), which is used to get a process's user PC. If this is 
defined, call addupc_intr() directly from statclock() in the system time case,
using the same P_OWEUPC path if the copyin/copyout fails.
Use this in i386 to remove profiling code from the normal userret() path.
 2000-12-10 19:29:30 +00:00
thorpej
ce866cd0e8 Don't hold a pool cache lock across any call to pool_get() or pool_put(). 
This allows us to change a try-lock into a normal lock in the reclaim
case.
 2000-12-10 17:03:34 +00:00
fvdl
538c381225 findblkname is not static (and is in fact used outside this file). 2000-12-10 14:14:15 +00:00
jdolecek
7a2157f1f3 emul_unregister(): fix incorrect loop condition - execsw[] is not NULL 
terminated
 2000-12-10 12:42:30 +00:00
jdolecek
9b6d040095 fork1(): write the ktrace entry before the parent is put to sleep for 
FORK_PPWAIT case, so that this DTRT for vfork() too
 2000-12-10 11:41:20 +00:00
jdolecek
a6ca890142 always fill in e_syscall in respective emul_*; if the emulation doesn't 
have it's own separated *_syscall() function, use syscall()
 2000-12-09 12:38:23 +00:00
mycroft
acbeba20e1 Fix compile glitch. 2000-12-09 07:17:32 +00:00
mycroft
547de8a6a3 Regen. 2000-12-09 07:05:10 +00:00
mycroft
02d8d5f9bf Define 3 new functions: 
* sys_getpid_with_ppid()
* sys_getuid_with_euid()
* sys_getgid_with_egid()
that do the retval[1] hack.  Use them when COMPAT_43 is defined.
 2000-12-09 07:04:47 +00:00
mycroft
51e3b887d7 Regen. 2000-12-09 06:19:40 +00:00
mycroft
e2743f72a9 Round up the sysent table size. 2000-12-09 06:15:42 +00:00
mycroft
8cb9be1967 s/unimplemented/filler/ 2000-12-09 05:41:12 +00:00
mycroft
f348afacb9 Regen. 2000-12-09 05:37:01 +00:00
mycroft
23284f8acf Add another const. 2000-12-09 05:33:27 +00:00