/*
Copyright (c) 1994 Cygnus Support.
All rights reserved.

Redistribution and use in source and binary forms are permitted
provided that the above copyright notice and this paragraph are
duplicated in all such forms and that any documentation,
and/or other materials related to such
distribution and use acknowledge that the software was developed
at Cygnus Support, Inc.  Cygnus Support, Inc. may not be used to
endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */
/* Reentrant versions of syscalls need to support signal/raise.
   These implementations just call the usual system calls.  */

#include <reent.h>
#include <signal.h>
#include <unistd.h>
#include <_syslist.h>

/* Some targets provides their own versions of these functions.  Those
   targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS.  */

#ifdef _REENT_ONLY
#ifndef REENTRANT_SYSCALLS_PROVIDED
#define REENTRANT_SYSCALLS_PROVIDED
#endif
#endif

#ifdef REENTRANT_SYSCALLS_PROVIDED

int _dummy_link_syscalls = 1;

#else

/* We use the errno variable used by the system dependent layer.  */
#undef errno
extern int errno;

/*
FUNCTION
	<<_kill_r>>---Reentrant version of kill
	
INDEX
	_kill_r

SYNOPSIS
	#include <reent.h>
	int _kill_r(struct _reent *<[ptr]>, int <[pid]>, int <[sig]>);

DESCRIPTION
	This is a reentrant version of <<kill>>.  It
	takes a pointer to the global data block, which holds
	<<errno>>.
*/

int
_kill_r (struct _reent *ptr,
     int pid,
     int sig)
{
  int ret;

  errno = 0;
  if ((ret = _kill (pid, sig)) == -1 && errno != 0)
    __errno_r(ptr) = errno;
  return ret;
}

/*
NEWPAGE
FUNCTION
	<<_getpid_r>>---Reentrant version of getpid
	
INDEX
	_getpid_r

SYNOPSIS
	#include <reent.h>
	int _getpid_r(struct _reent *<[ptr]>);

DESCRIPTION
	This is a reentrant version of <<getpid>>.  It
	takes a pointer to the global data block, which holds
	<<errno>>.

	We never need <<errno>>, of course, but for consistency we
	still must have the reentrant pointer argument.
*/

int
_getpid_r (struct _reent *ptr)
{
  int ret;
  ret = _getpid ();
  return ret;
}

#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
