Fix compile for older Linux without mmap MAP_HUGETLB

[fio.git] / os / os.h

diff --git a/os/os.h b/os/os.h
index c6c91a045d9a7e14ea902ce275ec064646c20e14..dd704647932a0ad7f9b1cf22a3860e8ee758b62d 100644 (file)
--- a/os/os.h
+++ b/os/os.h
@@ -2,11 +2,29 @@
 #define FIO_OS_H
 
 #include <sys/types.h>
+#include <sys/socket.h>
+#include <fcntl.h>
 #include <pthread.h>
 #include <unistd.h>
 #include <stdlib.h>
 
-#if defined(__linux__)
+enum {
+       os_linux = 1,
+       os_aix,
+       os_freebsd,
+       os_hpux,
+       os_mac,
+       os_netbsd,
+       os_solaris,
+       os_windows,
+       os_android,
+
+       os_nr,
+};
+
+#if defined(__ANDROID__)
+#include "os-android.h"
+#elif defined(__linux__)
 #include "os-linux.h"
 #elif defined(__FreeBSD__)
 #include "os-freebsd.h"
@@ -20,7 +38,7 @@
 #include "os-aix.h"
 #elif defined(__hpux)
 #include "os-hpux.h"
-#elif defined(__CYGWIN__)
+#elif defined(WIN32)
 #include "os-windows.h"
 #else
 #error "unsupported os"
@@ -51,7 +69,14 @@ typedef struct aiocb os_aiocb_t;
 #endif
 
 #ifndef FIO_HAVE_FADVISE
-#define posix_fadvise(fd, off, len, advice)    (0)
+static inline int posix_fadvise(int fd, int off, int len, int advice)
+{
+       (void)fd;
+       (void)off;
+       (void)len;
+       (void)advice;
+       return 0;
+}
 
 #ifndef POSIX_FADV_DONTNEED
 #define POSIX_FADV_DONTNEED    (0)
@@ -80,6 +105,7 @@ typedef unsigned long os_cpu_mask_t;
 
 #ifndef FIO_HAVE_HUGETLB
 #define SHM_HUGETLB                    0
+#define MAP_HUGETLB                    0
 #ifndef FIO_HUGE_PAGE
 #define FIO_HUGE_PAGE                  0
 #endif
@@ -89,6 +115,10 @@ typedef unsigned long os_cpu_mask_t;
 #endif
 #endif
 
+#ifndef FIO_HAVE_MMAP_HUGE
+#define MAP_HUGETLB                    0
+#endif
+
 #ifndef FIO_O_NOATIME
 #define FIO_O_NOATIME                  0
 #endif
@@ -111,24 +141,40 @@ typedef unsigned long os_cpu_mask_t;
 #define FIO_PREFERRED_ENGINE   "sync"
 #endif
 
+#ifndef FIO_OS_PATH_SEPARATOR
+#define FIO_OS_PATH_SEPARATOR  "/"
+#endif
+
+#ifndef FIO_PREFERRED_CLOCK_SOURCE
+#define FIO_PREFERRED_CLOCK_SOURCE     CS_CGETTIME
+#endif
+
 #ifndef FIO_MAX_JOBS
 #define FIO_MAX_JOBS           2048
 #endif
 
-#if 0
+#ifndef FIO_OS_HAVE_SOCKLEN_T
+typedef socklen_t fio_socklen_t;
+#endif
+
+#ifndef FIO_OS_HAS_CTIME_R
+#define os_ctime_r(x, y, z)     ctime_r((x), (y))
+#endif
+
+#ifdef FIO_USE_GENERIC_SWAP
 static inline uint16_t fio_swap16(uint16_t val)
 {
        return (val << 8) | (val >> 8);
 }
 
-static inline uint32_t bswap_32(uint32_t val)
+static inline uint32_t fio_swap32(uint32_t val)
 {
        val = ((val & 0xff00ff00UL) >> 8) | ((val & 0x00ff00ffUL) << 8);
 
        return (val >> 16) | (val << 16);
 }
 
-static inline uint64_t bswap_64(uint64_t val)
+static inline uint64_t fio_swap64(uint64_t val)
 {
        val = ((val & 0xff00ff00ff00ff00ULL) >> 8) |
              ((val & 0x00ff00ff00ff00ffULL) << 8);
@@ -139,6 +185,49 @@ static inline uint64_t bswap_64(uint64_t val)
 }
 #endif
 
+#ifndef FIO_HAVE_BYTEORDER_FUNCS
+#ifdef FIO_LITTLE_ENDIAN
+#define __le16_to_cpu(x)               (x)
+#define __le32_to_cpu(x)               (x)
+#define __le64_to_cpu(x)               (x)
+#define __cpu_to_le16(x)               (x)
+#define __cpu_to_le32(x)               (x)
+#define __cpu_to_le64(x)               (x)
+#else
+#define __le16_to_cpu(x)               fio_swap16(x)
+#define __le32_to_cpu(x)               fio_swap32(x)
+#define __le64_to_cpu(x)               fio_swap64(x)
+#define __cpu_to_le16(x)               fio_swap16(x)
+#define __cpu_to_le32(x)               fio_swap32(x)
+#define __cpu_to_le64(x)               fio_swap64(x)
+#endif
+#endif /* FIO_HAVE_BYTEORDER_FUNCS */
+
+#define le16_to_cpu(val) ({                    \
+       uint16_t *__val = &(val);               \
+       __le16_to_cpu(*__val);                  \
+})
+#define le32_to_cpu(val) ({                    \
+       uint32_t *__val = &(val);               \
+       __le32_to_cpu(*__val);                  \
+})
+#define le64_to_cpu(val) ({                    \
+       uint64_t *__val = &(val);               \
+       __le64_to_cpu(*__val);                  \
+})
+#define cpu_to_le16(val) ({                    \
+       uint16_t *__val = &(val);               \
+       __cpu_to_le16(*__val);                  \
+})
+#define cpu_to_le32(val) ({                    \
+       uint32_t *__val = &(val);               \
+       __cpu_to_le32(*__val);                  \
+})
+#define cpu_to_le64(val) ({                    \
+       uint64_t *__val = &(val);               \
+       __cpu_to_le64(*__val);                  \
+})
+
 #ifndef FIO_HAVE_BLKTRACE
 static inline int is_blktrace(const char *fname)
 {
@@ -200,6 +289,32 @@ static inline long os_random_long(os_random_state_t *rs)
 }
 #endif
 
+#ifdef FIO_USE_GENERIC_INIT_RANDOM_STATE
+extern void td_fill_rand_seeds(struct thread_data *td);
+/*
+ * Initialize the various random states we need (random io, block size ranges,
+ * read/write mix, etc).
+ */
+static inline int init_random_state(struct thread_data *td, unsigned long *rand_seeds, int size)
+{
+       int fd;
+
+       fd = open("/dev/urandom", O_RDONLY);
+       if (fd == -1) {
+               return 1;
+       }
+
+       if (read(fd, rand_seeds, size) < size) {
+               close(fd);
+               return 1;
+       }
+
+       close(fd);
+       td_fill_rand_seeds(td);
+       return 0;
+}
+#endif
+
 #ifndef FIO_HAVE_FS_STAT
 static inline unsigned long long get_fs_size(const char *path)
 {