newlib-cygwin/libgloss/aarch64/_kill.c

/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.  All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 3. The name of the company may not be used to endorse or promote
    products derived from this software without specific prior written
    permission.

 THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */

#include <_ansi.h>
#include <signal.h>
#include <errno.h>
#include "svc.h"

int _kill _PARAMS ((int, int));

int
_kill (int pid, int sig)
{
  param_block_t block[2];

  if (pid == 0)
    return 0;
  if (pid != 1 && pid != -1)
    {
      errno = ESRCH;
      return -1;
    }

  block[0] = ADP_Stopped_RunTimeError;
  block[1] = sig;

#if SEMIHOST_V2
  if (_has_ext_exit_extended ())
    return do_AngelSVC (AngelSVC_Reason_ReportExceptionExtended, block);
  else
#endif
    return do_AngelSVC (AngelSVC_Reason_ReportException, block);
}