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
|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
// Contains wrappers for functions whose required headers conflict with the PAL
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define _countof(a) (sizeof(a) / sizeof(a[0]))
#define PAGE_SIZE (4096)
auto test_strcpy = strcpy;
auto test_strcmp = strcmp;
auto test_strlen = strlen;
auto test_sprintf = sprintf;
auto test_sscanf = sscanf;
auto test_close = close;
auto test_unlink = unlink;
unsigned int test_getpid()
{
return getpid();
}
int test_kill(unsigned int pid)
{
return kill(pid, SIGKILL);
}
bool TestFileExists(const char *path)
{
int fd = open(path, O_RDWR);
if (fd == -1)
return false;
close(fd);
return true;
}
bool WriteHeaderInfo(const char *path, char sharedMemoryType, char version, int *fdRef)
{
int fd = open(path, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
if (fd == -1)
return false;
*fdRef = fd;
if (ftruncate(fd, PAGE_SIZE) != 0)
return false;
if (lseek(fd, 0, SEEK_SET) != 0)
return false;
// See SharedMemorySharedDataHeader for format
char buffer[] = {sharedMemoryType, version};
if (write(fd, buffer, _countof(buffer)) != _countof(buffer))
return false;
return flock(fd, LOCK_SH | LOCK_NB) == 0;
}
|