glusterfs: update for new API
[fio.git] / os / os-windows.h
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1#ifndef FIO_OS_WINDOWS_H
2#define FIO_OS_WINDOWS_H
3
4#define FIO_OS os_windows
5
6#include <sys/types.h>
7#include <sys/shm.h>
8#include <sys/stat.h>
9#include <errno.h>
5aa23eb8 10#include <winsock2.h>
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11#include <windows.h>
12#include <psapi.h>
13#include <stdlib.h>
14
15#include "../smalloc.h"
a6ab5391 16#include "../debug.h"
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17#include "../file.h"
18#include "../log.h"
95db3079 19#include "../lib/hweight.h"
984f30c9 20#include "../oslib/strcasestr.h"
52fd65f4 21#include "../lib/types.h"
93bcfd20 22
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23#include "windows/posix.h"
24
dac7244b 25/* MinGW won't declare rand_r unless _POSIX is defined */
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26#if defined(WIN32) && !defined(rand_r)
27int rand_r(unsigned *);
28#endif
29
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30#ifndef PTHREAD_STACK_MIN
31#define PTHREAD_STACK_MIN 65535
32#endif
33
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34#define FIO_HAVE_ODIRECT
35#define FIO_HAVE_CPU_AFFINITY
36#define FIO_HAVE_CHARDEV_SIZE
93bcfd20 37#define FIO_HAVE_GETTID
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38
39#define FIO_PREFERRED_ENGINE "windowsaio"
40#define FIO_PREFERRED_CLOCK_SOURCE CS_CGETTIME
87262d97 41#define FIO_OS_PATH_SEPARATOR '\\'
93bcfd20 42
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43#define OS_MAP_ANON MAP_ANON
44
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45#define fio_swap16(x) _byteswap_ushort(x)
46#define fio_swap32(x) _byteswap_ulong(x)
47#define fio_swap64(x) _byteswap_uint64(x)
48
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49#define _SC_PAGESIZE 0x1
50#define _SC_NPROCESSORS_ONLN 0x2
51#define _SC_PHYS_PAGES 0x4
52
53#define SA_RESTART 0
54#define SIGPIPE 0
55
56/*
57 * Windows doesn't have O_DIRECT or O_SYNC, so define them
58 * here so we can reject them at runtime when using the _open
59 * interface (windowsaio uses CreateFile)
60 */
61#define O_DIRECT 0x1000000
62#define O_SYNC 0x2000000
63
64/* Windows doesn't support madvise, so any values will work */
65#define POSIX_MADV_DONTNEED 0
66#define POSIX_MADV_SEQUENTIAL 0
67#define POSIX_MADV_RANDOM 0
68
69#define F_SETFL 0x1
70#define F_GETFL 0x2
71#define O_NONBLOCK FIONBIO
72
73/* Winsock doesn't support MSG_WAIT */
74#define OS_MSG_DONTWAIT 0
75
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76#ifndef S_ISSOCK
77#define S_ISSOCK(x) 0
78#endif
79
93bcfd20 80#define SIGCONT 0
84306c1d 81#define SIGUSR1 1
2277d5d5 82#define SIGUSR2 2
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83
84typedef int sigset_t;
85typedef int siginfo_t;
86
87struct sigaction
88{
89 void (*sa_handler)(int);
90 sigset_t sa_mask;
91 int sa_flags;
92 void* (*sa_sigaction)(int, siginfo_t *, void*);
93};
94
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95long sysconf(int name);
96
97int kill(pid_t pid, int sig);
98pid_t setsid(void);
99int setgid(gid_t gid);
100int setuid(uid_t uid);
101int nice(int incr);
102int sigaction(int sig, const struct sigaction *act,
103 struct sigaction *oact);
104int fsync(int fildes);
105int fork(void);
106int fcntl(int fildes, int cmd, ...);
107int fdatasync(int fildes);
108int lstat(const char * path, struct stat * buf);
109uid_t geteuid(void);
824d6ff4 110char* ctime_r(const time_t *t, char *buf);
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111int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
112ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
113ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
114 off_t offset);
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115
116static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
117{
118 int rc = 0;
119 HANDLE hFile;
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120 GET_LENGTH_INFORMATION info;
121 DWORD outBytes;
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122
123 if (f->hFile == NULL) {
124 hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
125 NULL, OPEN_EXISTING, 0, NULL);
126 } else {
127 hFile = f->hFile;
128 }
129
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130 if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
131 *bytes = info.Length.QuadPart;
132 else
133 rc = EIO;
134
135 /* If we were passed a POSIX fd,
136 * close the HANDLE we created via CreateFile */
137 if (hFile != INVALID_HANDLE_VALUE && f->hFile == NULL)
138 CloseHandle(hFile);
139
140 return rc;
141}
142
143static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
144{
145 return blockdev_size(f, bytes);
146}
147
148static inline int blockdev_invalidate_cache(struct fio_file *f)
149{
22de5d77 150 return ENOTSUP;
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151}
152
153static inline unsigned long long os_phys_mem(void)
154{
01d26955 155 long pagesize, pages;
93bcfd20 156
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157 pagesize = sysconf(_SC_PAGESIZE);
158 pages = sysconf(_SC_PHYS_PAGES);
159 if (pages == -1 || pagesize == -1)
160 return 0;
161
162 return (unsigned long long) pages * (unsigned long long) pagesize;
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163}
164
de5ed0e4 165#ifndef CONFIG_HAVE_GETTID
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166static inline int gettid(void)
167{
168 return GetCurrentThreadId();
169}
de5ed0e4 170#endif
93bcfd20 171
9781c080 172static inline int init_random_seeds(uint64_t *rand_seeds, int size)
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173{
174 HCRYPTPROV hCryptProv;
175
176 if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
177 {
178 errno = GetLastError();
179 log_err("CryptAcquireContext() failed: error %d\n", errno);
180 return 1;
181 }
182
183 if (!CryptGenRandom(hCryptProv, size, (BYTE*)rand_seeds)) {
184 errno = GetLastError();
185 log_err("CryptGenRandom() failed, error %d\n", errno);
186 CryptReleaseContext(hCryptProv, 0);
187 return 1;
188 }
189
190 CryptReleaseContext(hCryptProv, 0);
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191 return 0;
192}
193
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194static inline int fio_set_sched_idle(void)
195{
196 /* SetThreadPriority returns nonzero for success */
197 return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1;
198}
199
a6ab5391 200#ifdef CONFIG_WINDOWS_XP
dac7244b 201#include "os-windows-xp.h"
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202#else
203#include "os-windows-7.h"
204#endif
f2a2ce0e 205
93bcfd20 206#endif /* FIO_OS_WINDOWS_H */