#define FIO_OS os_android
#include <sys/ioctl.h>
+#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 <sched.h>
#include <linux/unistd.h>
#include <linux/major.h>
+#include <asm/byteorder.h>
+#include "./os-linux-syscall.h"
#include "binject.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_IOPRIO_CLASS
#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 OS_MAP_ANON MAP_ANONYMOUS
+#ifndef POSIX_MADV_DONTNEED
#define posix_madvise madvise
#define POSIX_MADV_DONTNEED MADV_DONTNEED
#define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL
#define POSIX_MADV_RANDOM MADV_RANDOM
+#endif
+
#ifdef MADV_REMOVE
#define FIO_MADV_FREE MADV_REMOVE
#endif
#define MAP_HUGETLB 0x40000 /* arch specific */
#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 <stdio.h>
+#include <linux/ashmem.h>
#include <linux/shm.h>
+#define shmid_ds shmid64_ds
#define SHM_HUGETLB 04000
-static inline int shmctl (int __shmid, int __cmd, struct shmid_ds *__buf)
+#define ASHMEM_DEVICE "/dev/ashmem"
+
+static inline int shmctl(int __shmid, int __cmd, struct shmid_ds *__buf)
{
- return syscall(__NR_shmctl, __shmid, __cmd, __buf);
+ int ret=0;
+ if (__cmd == IPC_RMID)
+ {
+ int length = ioctl(__shmid, ASHMEM_GET_SIZE, NULL);
+ struct ashmem_pin pin = {0 , length};
+ ret = ioctl(__shmid, ASHMEM_UNPIN, &pin);
+ close(__shmid);
+ }
+ return ret;
}
-static inline int shmget (key_t __key, size_t __size, int __shmflg)
+static inline int shmget(key_t __key, size_t __size, int __shmflg)
{
- return syscall(__NR_shmget, __key, __size, __shmflg);
+ int fd,ret;
+ char keybuf[11];
+
+ fd = open(ASHMEM_DEVICE, O_RDWR);
+ if (fd < 0)
+ return fd;
+
+ sprintf(keybuf,"%d",__key);
+ ret = ioctl(fd, ASHMEM_SET_NAME, keybuf);
+ if (ret < 0)
+ goto error;
+
+ /* 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;
}
-static inline void *shmat (int __shmid, const void *__shmaddr, int __shmflg)
+static inline void *shmat(int __shmid, const void *__shmaddr, int __shmflg)
{
- return (void *)syscall(__NR_shmat, __shmid, __shmaddr, __shmflg);
+ 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)
{
- return syscall(__NR_shmctl, __shmaddr);
+ /* 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_BITS 16
#define IOPRIO_CLASS_SHIFT 13
+#define IOPRIO_MIN_PRIO 0 /* highest priority */
+#define IOPRIO_MAX_PRIO 7 /* lowest priority */
+
+#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)
{
/*
#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 atoi(size);
}
-static inline unsigned long long get_fs_size(const char *path)
+static inline unsigned long long get_fs_free_size(const char *path)
{
unsigned long long ret;
struct statfs s;
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;
}
+#ifdef CONFIG_SCHED_IDLE
+static inline int fio_set_sched_idle(void)
+{
+ struct sched_param p = { .sched_priority = 0, };
+ return sched_setscheduler(gettid(), SCHED_IDLE, &p);
+}
+#endif
+
#endif
projects / fio.git / blobdiff