Remove clause 3 and 4 from TNF licenses

branches: 1.24.108; 1.24.110; 1.24.112;
revert previous

make it compile (missing includes)

bring the reverse signal mapping array into linux_signo.c

make signal array handling uniform, and put signal arrays in a separate
file. This is simular to errno array handling.

- Now that RT-signals fit, fix the array to deliver them. [i386 only].
- jdk-1.4 works perfectly now. :-)

add RCSIDs (including regeneration of files as appropriate)

branches: 1.18.2; 1.18.4;
constify

branches: 1.17.2;
Handle the newer, larger sigset_t Linux now uses.

Assign my copyright to TNF. Merge with others were appropriate.
Regen syscall files after script change.

Attempt to fix the mess.

Split compat/linux/linux_signal.c into i386, common and multi-architecture parts.

Bracket stray printf()s by #ifdef DEBUG.

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.

bzero->memset, bcopy->memcpy, bcmp->memcmp

- Add missing prototypes
- Fix bugs with reversed arguments that prototyping discovered

Prefix names of system call implementation functions with `sys_'.

Make system calls conform to a standard prototype and bring those
prototypes into scope.

Move signal types into signal.h.

Convert SA_NOMASK and SA_ONESHOT.
Clean up this code a bit.

Use compat_util.[ch].

* Changed to use generic ELF code from kern/exec_elf.c (which was taken
from the svr4 exec code plus the linux compat mods)
* Include file change
* Add multicast sockopts (from John Brezak)

Add the Linux pause() system call. Fix the arguments to sigsuspend().

Fix typo in comment.

Added Linux compat code.