Subversion Repositories openrisc

/* 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) */