X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-windows.h;h=36b421ee45ad52049dabafa625acda25d79c1c00;hp=18de83987d635281329cfffe98816616e26a737d;hb=refs%2Ftags%2Ffio-3.1;hpb=0dcebdf4a70ef0d8144b8fcba763ae87e7fc74b5

diff --git a/os/os-windows.h b/os/os-windows.h
index 18de8398..36b421ee 100644
--- a/os/os-windows.h
+++ b/os/os-windows.h
@@ -7,6 +7,7 @@
 #include <sys/shm.h>
 #include <sys/stat.h>
 #include <errno.h>
+#include <winsock2.h>
 #include <windows.h>
 #include <psapi.h>
 #include <stdlib.h>
@@ -14,13 +15,23 @@
 #include "../smalloc.h"
 #include "../file.h"
 #include "../log.h"
+#include "../lib/hweight.h"
+#include "../oslib/strcasestr.h"
+
+#include "windows/posix.h"
+
+/* Cygwin doesn't define rand_r if C99 or newer is being used */
+#if defined(WIN32) && !defined(rand_r)
+int rand_r(unsigned *);
+#endif
+
+#ifndef PTHREAD_STACK_MIN
+#define PTHREAD_STACK_MIN 65535
+#endif
 
 #define FIO_HAVE_ODIRECT
 #define FIO_HAVE_CPU_AFFINITY
 #define FIO_HAVE_CHARDEV_SIZE
-#define FIO_HAVE_FDATASYNC
-#define FIO_HAVE_WINDOWSAIO
-#define FIO_HAVE_FALLOCATE
 #define FIO_HAVE_GETTID
 #define FIO_USE_GENERIC_RAND
 
@@ -36,14 +47,8 @@
 #define fio_swap32(x)	_byteswap_ulong(x)
 #define fio_swap64(x)	_byteswap_uint64(x)
 
-typedef off_t off64_t;
-typedef int clockid_t;
-
 typedef DWORD_PTR os_cpu_mask_t;
 
-#define CLOCK_REALTIME	1
-#define CLOCK_MONOTONIC	2
-
 #define _SC_PAGESIZE			0x1
 #define _SC_NPROCESSORS_ONLN	0x2
 #define _SC_PHYS_PAGES			0x4
@@ -106,16 +111,18 @@ int fcntl(int fildes, int cmd, ...);
 int fdatasync(int fildes);
 int lstat(const char * path, struct stat * buf);
 uid_t geteuid(void);
+char* ctime_r(const time_t *t, char *buf);
 int nanosleep(const struct timespec *rqtp, struct timespec *rmtp);
 ssize_t pread(int fildes, void *buf, size_t nbyte, off_t offset);
 ssize_t pwrite(int fildes, const void *buf, size_t nbyte,
 		off_t offset);
-extern void td_fill_rand_seeds(struct thread_data *);
 
 static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
 {
 	int rc = 0;
 	HANDLE hFile;
+	GET_LENGTH_INFORMATION info;
+	DWORD outBytes;
 
 	if (f->hFile == NULL) {
 		hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
@@ -124,10 +131,6 @@ static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
 		hFile = f->hFile;
 	}
 
-	GET_LENGTH_INFORMATION info;
-	DWORD outBytes;
-	LARGE_INTEGER size;
-	size.QuadPart = 0;
 	if (DeviceIoControl(hFile, IOCTL_DISK_GET_LENGTH_INFO, NULL, 0, &info, sizeof(info), &outBytes, NULL))
 		*bytes = info.Length.QuadPart;
 	else
@@ -148,24 +151,19 @@ static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
 
 static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
-	/* There's no way to invalidate the cache in Windows
-	 * so just pretend to succeed */
-	return 0;
+	return ENOTSUP;
 }
 
 static inline unsigned long long os_phys_mem(void)
 {
-	SYSTEM_INFO sysInfo;
-	uintptr_t addr;
+	long pagesize, pages;
 
-	GetSystemInfo(&sysInfo);
-	addr = (uintptr_t)sysInfo.lpMaximumApplicationAddress;
-	return (unsigned long long)addr;
-}
+	pagesize = sysconf(_SC_PAGESIZE);
+	pages = sysconf(_SC_PHYS_PAGES);
+	if (pages == -1 || pagesize == -1)
+		return 0;
 
-static inline void os_get_tmpdir(char *path, int len)
-{
-	GetTempPath(len, path);
+	return (unsigned long long) pages * (unsigned long long) pagesize;
 }
 
 static inline int gettid(void)
@@ -192,7 +190,7 @@ static inline int fio_setaffinity(int pid, os_cpu_mask_t cpumask)
 	return (bSuccess)? 0 : -1;
 }
 
-static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
+static inline int fio_getaffinity(int pid, os_cpu_mask_t *mask)
 {
 	os_cpu_mask_t systemMask;
 
@@ -203,7 +201,10 @@ static inline void fio_getaffinity(int pid, os_cpu_mask_t *mask)
 		CloseHandle(h);
 	} else {
 		log_err("fio_getaffinity failed: failed to get handle for pid %d\n", pid);
+		return -1;
 	}
+
+	return 0;
 }
 
 static inline void fio_cpu_clear(os_cpu_mask_t *mask, int cpu)
@@ -216,6 +217,16 @@ static inline void fio_cpu_set(os_cpu_mask_t *mask, int cpu)
 	*mask |= 1 << cpu;
 }
 
+static inline int fio_cpu_isset(os_cpu_mask_t *mask, int cpu)
+{
+	return (*mask & (1U << cpu));
+}
+
+static inline int fio_cpu_count(os_cpu_mask_t *mask)
+{
+	return hweight64(*mask);
+}
+
 static inline int fio_cpuset_init(os_cpu_mask_t *mask)
 {
 	*mask = 0;
@@ -227,7 +238,7 @@ static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
 	return 0;
 }
 
-static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
+static inline int init_random_seeds(unsigned long *rand_seeds, int size)
 {
 	HCRYPTPROV hCryptProv;
 
@@ -246,9 +257,15 @@ static inline int init_random_state(struct thread_data *td, unsigned long *rand_
 	}
 
 	CryptReleaseContext(hCryptProv, 0);
-	td_fill_rand_seeds(td);
 	return 0;
 }
 
 
+static inline int fio_set_sched_idle(void)
+{
+	/* SetThreadPriority returns nonzero for success */
+	return (SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE))? 0 : -1;
+}
+
+
 #endif /* FIO_OS_WINDOWS_H */