src/lib/libc/alpha/sys, branch releng/4.9

MFC: Diff reduction to -current libc_r (part 1):

2002-10-15T19:46:47Z

_thread_sys_{syscall} -> __sys_{syscall}. This change does not break ABI because these symbols are used solely inside libc_r. Approved by: deischen

libc_r doesn't provide a wrapper for sigreturn(2).

2001-10-19T18:23:34Z

(This change isn't applicable to -CURRENT which doesn't hide syscalls.)

Not needed now the syscall matches the prototype.

1999-10-12T09:38:57Z

Remove old sig* wrappers.

1999-10-09T12:11:31Z

$Id$ -> $FreeBSD$

1999-08-28T00:22:10Z

Just return `curbrk' for sbrk(0) to avoid syscall overhead.

1999-06-26T15:22:33Z

Add wrappers for pread and pwrite syscalls.

1999-04-04T21:46:24Z

Rename when building libc_r.

1999-03-25T18:43:17Z

[This is a null commit to supply the correct log entry]

1998-12-23T11:55:42Z

Rename 'cerror' to '.cerror' so that programs which have a function or global variable named 'cerror' don't completely break the syscall error reporting mechanism.

Implement fpsetmask() and other fp*() functions. Programs should use

1998-12-23T11:50:52Z

#include to access these functions instead of the i386 specific #include Submitted by: Hidetoshi Shimokawa