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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
_kill_r (ptr, pid, sig)
struct _reent *ptr;
int pid;
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
_getpid_r (ptr)
struct _reent *ptr;
{
int ret;
ret = _getpid ();
return ret;
}
#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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