1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/*
* hl-stub.c -- provide _kill() and _getpid().
*
* Copyright (c) 2024 Synopsys Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*
*/
#include <errno.h>
#include <unistd.h>
#include <sys/times.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "glue.h"
/* If PID is equal to __MYPID, exit with sig as retcode. */
int
_kill (int pid, int sig)
{
if (pid == __MYPID)
_exit (sig);
errno = ENOSYS;
return -1;
}
/* Return __MYPID. */
int
_getpid (void)
{
return __MYPID;
}
/* hostlink backend has only fstat(), so use fstat() in stat(). */
int
_stat (const char *pathname, struct stat *buf)
{
int fd;
int ret;
int saved_errno;
fd = open (pathname, O_RDONLY);
if (fd < 0)
{
/* errno is set by open(). */
return -1;
}
ret = fstat (fd, buf);
saved_errno = errno;
close (fd);
errno = saved_errno;
return ret;
}
/* No Metaware hostlink backend for this call. */
int
_link (const char *oldpath __attribute__ ((unused)),
const char *newpath __attribute__ ((unused)))
{
errno = ENOSYS;
return -1;
}
|
