/*
Copyright (c) 1993 Xerox Corporation.  All rights reserved.
*/
/*
$Id$

$Date$
 */


#ifndef __PCR_errno_h
#define __PCR_errno_h 	1

/*
 * Standard POSIX errno values
 */

#include <host/errno.h>

/*
 * per-thread error number
 */

#ifndef PCR_GetErrnoAddress
    extern int (*(PCR_GetErrnoAddress(void)));
#endif

#define PCR_GetErrno() (*(PCR_GetErrnoAddress()))

#define PCR_SetErrno(err) (*(PCR_GetErrnoAddress())) = (err)


/*
 * errno values from PCR itself
 */

#define PCR__EPCRBASE		1024
#define PCR_EPCR(x)		(PCR__EPCRBASE+(x))

#define PCR_EINTERNAL		PCR_EPCR(0)	/* should never be seen */
#define PCR_ETIMEDOUT		PCR_EPCR(1)


/*
 * Human readable error messages
 */

extern void
PCR_perror(const char *s);
/*
    Print an error message (constructd from s and errno) on stderr.
    This function is also declared in stdio.h.
*/


extern char *
PCR_strerror(int n);
/*
    Return error message appropriate for abs(errno), in a static buffer.
    Return catchall message if errno is out of range.
    This function is also declared in string.h.
*/


#ifndef PCR_NO_RENAME

#   undef errno
#   define errno (*(PCR_GetErrnoAddress()))

#   undef perror
#   define perror PCR_perror

#   undef strerror
#   define strerror PCR_strerror

#endif /* !PCR_NO_RENAME */

#endif /* !__PCR_errno_h */

/*
$Log$
*/