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ea2517e20d
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38 Commits

Author SHA1 Message Date
tron
ea2517e20d Add proper stub code to make emulation of Linux's pread(2) and pwrite(2) 
work. Fixes PR kern/8945 by Dave Sainty.
 1999-12-05 21:24:28 +00:00
tron
8b5f9298fa Consistently call signal number arguments "signum". 1999-12-04 22:14:14 +00:00
tron
9b451861b9 Add emulation for scheduler related syscalls. Although they are dummies 
even under Linux the posix thread library for "glibc2" requires them.
 1999-10-04 16:55:54 +00:00
tron
327a8cdf75 Add stime() to syscalls table. 1999-08-16 19:13:01 +00:00
thorpej
e0a6808cef Emulate the Linux vfork(2) (which is like NetBSD's __vfork14(2)), 
{get,set}resuid(2), and {get,set}resgid(2).  Note a few more system
calls that we don't yet emulate.
 1999-05-14 18:43:01 +00:00
thorpej
fa1c5fed1a Emulate the Linux clone(2) system call. 1999-05-13 23:42:34 +00:00
abs
9c2ef08c3e Since NetBSD has poll(), use it. 
Linux oracle install now gets far enough that I want our DBA around to
see if we can finish the job.
 1999-03-30 02:22:49 +00:00
tron
5b98b641a8 Add emulation for Linux "getcwd" syscall. 1999-03-27 01:10:56 +00:00
thorpej
e8a3256e7f Add support for emulating the Linux pread(2) and pwrite(2) system calls; 
just call the native NetBSD versions.

PR #7202, Jaromir Dolecek <dolecek@ics.muni.cz>.
 1999-03-23 03:00:51 +00:00
christos
8024779058 const poisoning 1999-02-09 20:37:00 +00:00
christos
35af069802 defopt COMPAT_43 1998-12-10 17:07:04 +00:00
christos
908291d2fe Attempt to fix the mess. 1998-10-03 20:17:36 +00:00
erh
14b1e271b5 Move compat/linux/syscalls.master to i386. Add a few syscalls while I'm here. 1998-10-01 02:03:17 +00:00
mycroft
fb526e055c Substantial signal handling changes: 
* Increase the size of sigset_t to accomodate 128 signals -- adding new
  versions of sys_setprocmask(), sys_sigaction(), sys_sigpending() and
  sys_sigsuspend() to handle the changed arguments.
* Abstract the guts of sys_sigaltstack(), sys_setprocmask(), sys_sigaction(),
  sys_sigpending() and sys_sigsuspend() into separate functions, and call them
  from all the emulations rather than hard-coding everything.  (Avoids uses
  the stackgap crap for these system calls.)
* Add a new flag (p_checksig) to indicate that a process may have signals
  pending and userret() needs to do the full (slow) check.
* Eliminate SAS_ALTSTACK; it's exactly the inverse of SS_DISABLE.
* Correct emulation bugs with restoring SS_ONSTACK.
* Make the signal mask in the sigcontext always use the emulated mask format.
* Store signals internally in sigaction structures, rather than maintaining a
  bunch of little sigsets for each SA_* bit.
* Keep track of where we put the signal trampoline, rather than figuring it out
  in *_sendsig().
* Issue a warning when a non-emulated sigaction bit is observed.
* Add missing emulated signals, and a native SIGPWR (currently not used).
* Implement the `not reset when caught' semantics for relevant signals.

Note: Only code touched by the i386 port has been modified.  Other ports and
emulations need to be updated.
 1998-09-11 12:50:05 +00:00
perry
f15ade7552 enable nanosleep in linux emul, per pr-5906 from Soren S. Jorvang 1998-08-05 00:44:32 +00:00
mycroft
26c238db7d Linux's getsid(2) does in fact return a pid, not a pointer. 1998-02-20 18:09:04 +00:00
thorpej
c0ef23f235 Change a comment to reflect new makesyscalls.sh behavior. 1998-02-19 00:41:12 +00:00
christos
7e8c979fa9 ostat -> stat43 1997-10-16 23:53:07 +00:00
mycroft
68fb837229 Fix a typo inherited from kern/syscalls.master. 1997-10-15 17:18:17 +00:00
mycroft
523d84775a Emulate mremap(2) by returning ENOMEM for now. This should be sufficient for 
realloc(3) and other uses.  From Matthias Scheler in PR 3920.
 1997-10-10 06:25:34 +00:00
thorpej
454c1df5f3 Use compat_12_sys_swapon(). 1997-06-13 17:30:19 +00:00
augustss
bc5c0f6530 Add Linux nice() syscall. 1997-04-07 14:13:16 +00:00
fvdl
69761c2aa8 Update list of Linux syscalls and implement the ones that are likely to be 
used and doable.
 1996-05-20 01:59:09 +00:00
fvdl
2df1785997 msync, readv and writev were recently added to the Linux kernel; add them 
to the emulation as well.
 1995-12-18 14:35:08 +00:00
mycroft
9df1f90849 We don't need a private version of fork() here any more. 1995-12-09 04:01:42 +00:00
mycroft
245f292fed Prefix names of system call implementation functions with `sys_'. 1995-10-07 06:25:19 +00:00
fvdl
a396a097b7 Fix some bugs & typing problems. 1995-09-07 21:48:59 +00:00
fvdl
d308963c5d Add a hook for MD ioctl calls, plus a couple of more changes to make 
svgalib binaries work on the i386
 1995-08-27 20:51:48 +00:00
fvdl
28d9d64235 Emulate some syscalls that appear in Linux 1.3: a select() with normal args, 
getdents() and flock().
 1995-08-23 20:17:28 +00:00
mycroft
9a0cd13442 Implement the old and older uname(2) calls. 1995-08-21 03:42:09 +00:00
mycroft
88b8e43a80 Rearrange #includes. 1995-08-14 01:27:43 +00:00
fvdl
83ed983d47 mkdir() has 2 arguments.. fixes PR 1248 (from Brad Spencer) 1995-07-24 06:35:28 +00:00
fvdl
fc7cfb5f0b * Make Linux ELF binaries work. Lots of code duplication, but it will have to do 
for now.
* Add a sanity check in linux_uselib
 1995-06-11 14:56:47 +00:00
mycroft
2b0696ff3c Add linux_modify_ldt(), if __i386__. 1995-05-06 18:16:35 +00:00
fvdl
623f1e3986 Handle Linux signal tramp code differently. Some changes because of the 
now seperate Linux signal trampoline code. Add linux_sigreturn to
syscalls.master.
 1995-04-07 22:23:22 +00:00
fvdl
faf1442285 Add the Linux pause() system call. Fix the arguments to sigsuspend(). 1995-03-10 22:55:04 +00:00
fvdl
182c23c8bc Added a few more system calls. 
More consistent alternate root file semantics throughout.
 1995-03-05 23:23:37 +00:00
fvdl
3bf459f350 Added Linux compat code. 1995-02-28 23:24:35 +00:00