#include <sys/mman.h>
#include <sys/uio.h>
#include <sys/syscall.h>
+#include <sys/sysmacros.h>
#include <sys/vfs.h>
#include <unistd.h>
#include <fcntl.h>
#include <linux/major.h>
#include <asm/byteorder.h>
-#include "binject.h"
+#include "./os-linux-syscall.h"
#include "../file.h"
+#ifndef __has_builtin // Optional of course.
+ #define __has_builtin(x) 0 // Compatibility with non-clang compilers.
+#endif
+
#define FIO_HAVE_DISK_UTIL
#define FIO_HAVE_IOSCHED_SWITCH
#define FIO_HAVE_IOPRIO
#define FIO_HAVE_ODIRECT
#define FIO_HAVE_HUGETLB
#define FIO_HAVE_BLKTRACE
-#define FIO_HAVE_PSHARED_MUTEX
#define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_CGROUPS
#define FIO_HAVE_FS_STAT
#define FIO_HAVE_TRIM
#define FIO_HAVE_GETTID
#define MAP_HUGETLB 0x40000 /* arch specific */
#endif
+#ifdef CONFIG_PTHREAD_GETAFFINITY
+#define FIO_HAVE_GET_THREAD_AFFINITY
+#define fio_get_thread_affinity(mask) \
+ pthread_getaffinity_np(pthread_self(), sizeof(mask), &(mask))
+#endif
+#ifndef CONFIG_NO_SHM
/*
- * The Android NDK doesn't currently export <sys/shm.h>, so define the
- * necessary stuff here.
+ * Bionic doesn't support SysV shared memeory, so implement it using ashmem
*/
-
-#include <linux/shm.h>
-#define SHM_HUGETLB 04000
-
#include <stdio.h>
#include <linux/ashmem.h>
-#include <sys/mman.h>
-
+#include <linux/shm.h>
+#include <android/api-level.h>
+#if __ANDROID_API__ >= __ANDROID_API_O__
+#include <android/sharedmem.h>
+#else
#define ASHMEM_DEVICE "/dev/ashmem"
+#endif
+#define shmid_ds shmid64_ds
+#define SHM_HUGETLB 04000
-static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf)
+static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf)
{
int ret=0;
if (__cmd == IPC_RMID)
return ret;
}
-static inline int shmget (key_t __key, size_t __size, int __shmflg)
+#if __ANDROID_API__ >= __ANDROID_API_O__
+static inline int shmget(key_t __key, size_t __size, int __shmflg)
+{
+ char keybuf[11];
+
+ sprintf(keybuf, "%d", __key);
+
+ return ASharedMemory_create(keybuf, __size + sizeof(uint64_t));
+}
+#else
+static inline int shmget(key_t __key, size_t __size, int __shmflg)
{
int fd,ret;
- char key[11];
-
+ char keybuf[11];
+
fd = open(ASHMEM_DEVICE, O_RDWR);
if (fd < 0)
return fd;
- sprintf(key,"%d",__key);
- ret = ioctl(fd, ASHMEM_SET_NAME, key);
+ sprintf(keybuf,"%d",__key);
+ ret = ioctl(fd, ASHMEM_SET_NAME, keybuf);
if (ret < 0)
goto error;
- ret = ioctl(fd, ASHMEM_SET_SIZE, __size);
+ /* Stores size in first 8 bytes, allocate extra space */
+ ret = ioctl(fd, ASHMEM_SET_SIZE, __size + sizeof(uint64_t));
if (ret < 0)
goto error;
return fd;
-
+
error:
close(fd);
return ret;
}
+#endif
-static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg)
+static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg)
{
- size_t *ptr, size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
- ptr = mmap(NULL, size + sizeof(size_t), PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
- *ptr = size; //save size at beginning of buffer, for use with munmap
- return &ptr[1];
+ size_t size = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
+ /* Needs to be 8-byte aligned to prevent SIGBUS on 32-bit ARM */
+ uint64_t *ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, __shmid, 0);
+ /* Save size at beginning of buffer, for use with munmap */
+ *ptr = size;
+ return ptr + 1;
}
static inline int shmdt (const void *__shmaddr)
{
- size_t *ptr, size;
- ptr = (size_t *)__shmaddr;
- ptr--;
- size = *ptr; //find mmap size which we stored at the beginning of the buffer
- return munmap((void *)ptr, size + sizeof(size_t));
+ /* Find mmap size which we stored at the beginning of the buffer */
+ uint64_t *ptr = (uint64_t *)__shmaddr - 1;
+ size_t size = *ptr;
+ return munmap(ptr, size);
}
+#endif
#define SPLICE_DEF_SIZE (64*1024)
#define IOPRIO_MIN_PRIO_CLASS 0
#define IOPRIO_MAX_PRIO_CLASS 3
-static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+static inline int ioprio_value(int ioprio_class, int ioprio)
{
/*
* If no class is set, assume BE
*/
- if (!ioprio_class)
- ioprio_class = IOPRIO_CLASS_BE;
+ if (!ioprio_class)
+ ioprio_class = IOPRIO_CLASS_BE;
+
+ return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio;
+}
- ioprio |= ioprio_class << IOPRIO_CLASS_SHIFT;
- return syscall(__NR_ioprio_set, which, who, ioprio);
+static inline bool ioprio_value_is_class_rt(unsigned int priority)
+{
+ return (priority >> IOPRIO_CLASS_SHIFT) == IOPRIO_CLASS_RT;
+}
+
+static inline int ioprio_set(int which, int who, int ioprio_class, int ioprio)
+{
+ return syscall(__NR_ioprio_set, which, who,
+ ioprio_value(ioprio_class, ioprio));
}
#ifndef BLKGETSIZE64
return (unsigned long long) pages * (unsigned long long) pagesize;
}
-typedef struct { unsigned short r[3]; } os_random_state_t;
-
-static inline void os_random_seed(unsigned long seed, os_random_state_t *rs)
-{
- rs->r[0] = seed & 0xffff;
- seed >>= 16;
- rs->r[1] = seed & 0xffff;
- seed >>= 16;
- rs->r[2] = seed & 0xffff;
- seed48(rs->r);
-}
-
-static inline long os_random_long(os_random_state_t *rs)
-{
- return nrand48(rs->r);
-}
-
#ifdef O_NOATIME
#define FIO_O_NOATIME O_NOATIME
#else
#define FIO_O_NOATIME 0
#endif
-#define fio_swap16(x) __bswap_16(x)
-#define fio_swap32(x) __bswap_32(x)
-#define fio_swap64(x) __bswap_64(x)
+/* Check for GCC or Clang byte swap intrinsics */
+#if (__has_builtin(__builtin_bswap16) && __has_builtin(__builtin_bswap32) \
+ && __has_builtin(__builtin_bswap64)) || (__GNUC__ > 4 \
+ || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)) /* fio_swapN */
+#define fio_swap16(x) __builtin_bswap16(x)
+#define fio_swap32(x) __builtin_bswap32(x)
+#define fio_swap64(x) __builtin_bswap64(x)
+#else
+#include <byteswap.h>
+#define fio_swap16(x) bswap_16(x)
+#define fio_swap32(x) bswap_32(x)
+#define fio_swap64(x) bswap_64(x)
+#endif /* fio_swapN */
#define CACHE_LINE_FILE \
"/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"
return ret;
}
-static inline int os_trim(int fd, unsigned long long start,
+static inline int os_trim(struct fio_file *f, unsigned long long start,
unsigned long long len)
{
uint64_t range[2];
range[0] = start;
range[1] = len;
- if (!ioctl(fd, BLKDISCARD, range))
+ if (!ioctl(f->fd, BLKDISCARD, range))
return 0;
return errno;
}
#endif
+#ifndef RWF_UNCACHED
+#define RWF_UNCACHED 0x00000040
+#endif
+
#endif
projects / fio.git / blobdiff