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/* 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

ANSI_SYNOPSIS

        #include <reent.h>

        int _kill_r(struct _reent *<[ptr]>, int <[pid]>, int <[sig]>);

TRAD_SYNOPSIS

        #include <reent.h>

        int _kill_r(<[ptr]>, <[pid]>, <[sig]>)

        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

_DEFUN (_kill_r, (ptr, pid, sig),

     struct _reent *ptr _AND

     int pid _AND

     int sig)

{

  int ret;

  errno = 0;

  if ((ret = _kill (pid, sig)) == -1 && errno != 0)

    ptr->_errno = errno;

  return ret;

}

/*

FUNCTION

        <<_getpid_r>>---Reentrant version of getpid

INDEX

        _getpid_r

ANSI_SYNOPSIS

        #include <reent.h>

        int _getpid_r(struct _reent *<[ptr]>);

TRAD_SYNOPSIS

        #include <reent.h>

        int _getpid_r(<[ptr]>)

        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

_DEFUN (_getpid_r, (ptr),

     struct _reent *ptr)

{

  int ret;

  ret = _getpid ();

  return ret;

}

#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */