1 /*
2 * Support file for nvptx in newlib.
3 * Copyright (c) 2014-2018 Mentor Graphics.
4 *
5 * The authors hereby grant permission to use, copy, modify, distribute,
6 * and license this software and its documentation for any purpose, provided
7 * that existing copyright notices are retained in all copies and that this
8 * notice is included verbatim in any distributions. No written agreement,
9 * license, or royalty fee is required for any of the authorized uses.
10 * Modifications to this software may be copyrighted by their authors
11 * and need not follow the licensing terms described here, provided that
12 * the new terms are clearly indicated on the first page of each file where
13 * they apply.
14 */
15
16 #include <picolibc.h>
17
18 #include <errno.h>
19 #include <sys/types.h>
20 #include <sys/stat.h>
21 #include <sys/time.h>
22
23 #undef errno
24 extern int errno;
25
26 int
close(int fd)27 close(int fd) {
28 return -1;
29 }
30
31 int
fstat(int fd,struct stat * buf)32 fstat (int fd, struct stat *buf) {
33 return -1;
34 }
35
36 int
gettimeofday(struct timeval * tv,void * tz)37 gettimeofday (struct timeval *tv, void *tz) {
38 return -1;
39 }
40
41 int
getpid(void)42 getpid (void) {
43 return 0;
44 }
45
46 int
isatty(int fd)47 isatty (int fd) {
48 return fd == 1;
49 }
50
51 int
kill(int pid,int sig)52 kill (int pid, int sig) {
53 errno = ESRCH;
54 return -1;
55 }
56
57 off_t
lseek(int fd,off_t offset,int whence)58 lseek(int fd, off_t offset, int whence) {
59 return 0;
60 }
61
62 int
open(const char * pathname,int flags,...)63 open (const char *pathname, int flags, ...) {
64 return -1;
65 }
66
67 int
read(int fd,void * buf,size_t count)68 read(int fd, void *buf, size_t count) {
69 return 0;
70 }
71
72 int
stat(const char * file,struct stat * pstat)73 stat (const char *file, struct stat *pstat) {
74 errno = EACCES;
75 return -1;
76 }
77
78 void
sync(void)79 sync (void) {
80 }
81
82 int
unlink(const char * pathname)83 unlink (const char *pathname) {
84 return -1;
85 }
86