#include <sys/syscall.h>
#include <unistd.h>
#include <fcntl.h>
+#include <errno.h>
+#include <sched.h>
#include <linux/unistd.h>
#include <linux/raw.h>
#include <linux/major.h>
#define FIO_HAVE_HUGETLB
#define FIO_HAVE_RAWBIND
#define FIO_HAVE_BLKTRACE
+#define FIO_HAVE_STRSEP
+#define FIO_HAVE_FALLOCATE
+#define FIO_HAVE_POSIXAIO_FSYNC
+#define FIO_HAVE_PSHARED_MUTEX
+#define FIO_HAVE_CL_SIZE
+#define FIO_HAVE_CGROUPS
+#define FIO_HAVE_FDATASYNC
+#define FIO_HAVE_SYNC_FILE_RANGE
-#define OS_MAP_ANON (MAP_ANONYMOUS)
+#define OS_MAP_ANON MAP_ANONYMOUS
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC 1
#endif
-#ifdef FIO_HAVE_CPU_AFFINITY
typedef cpu_set_t os_cpu_mask_t;
-#else
-typedef int os_cpu_mask_t;
-#endif
+
typedef struct drand48_data os_random_state_t;
/*
* If you are on an ancient glibc (2.3.2), then define GLIBC_2_3_2 if you want
* the affinity helpers to work.
*/
-#ifdef FIO_HAVE_CPU_AFFINITY
#ifndef GLIBC_2_3_2
-#define fio_setaffinity(td) \
- sched_setaffinity((td)->pid, sizeof((td)->o.cpumask), &(td)->o.cpumask)
+#define fio_setaffinity(pid, cpumask) \
+ sched_setaffinity((pid), sizeof(cpumask), &(cpumask))
#define fio_getaffinity(pid, ptr) \
sched_getaffinity((pid), sizeof(cpu_set_t), (ptr))
#else
-#define fio_setaffinity(td) \
- sched_setaffinity((td)->pid, &(td)->o.cpumask)
+#define fio_setaffinity(pid, cpumask) \
+ sched_setaffinity((pid), &(cpumask))
#define fio_getaffinity(pid, ptr) \
sched_getaffinity((pid), (ptr))
#endif
-#endif
+
+#define fio_cpu_clear(mask, cpu) CPU_CLR((cpu), (mask))
+#define fio_cpu_set(mask, cpu) CPU_SET((cpu), (mask))
+
+static inline int fio_cpuset_init(os_cpu_mask_t *mask)
+{
+ CPU_ZERO(mask);
+ return 0;
+}
+
+static inline int fio_cpuset_exit(os_cpu_mask_t *mask)
+{
+ return 0;
+}
+
+#define FIO_MAX_CPUS CPU_SETSIZE
static inline int ioprio_set(int which, int who, int ioprio)
{
static inline struct syslet_uatom *
async_exec(struct syslet_uatom *atom, struct async_head_user *ahu)
{
- return (void *) syscall(__NR_async_exec, atom, ahu);
+ return (struct syslet_uatom *) syscall(__NR_async_exec, atom, ahu);
}
static inline long
return 0;
}
+#ifdef O_NOATIME
+#define FIO_O_NOATIME O_NOATIME
+#else
+#define FIO_O_NOATIME 0
+#endif
+
+#ifdef MADV_REMOVE
+#define FIO_MADV_FREE MADV_REMOVE
+#endif
+
+#define CACHE_LINE_FILE \
+ "/sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size"
+
+static inline int arch_cache_line_size(void)
+{
+ char size[32];
+ int fd, ret;
+
+ fd = open(CACHE_LINE_FILE, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ ret = read(fd, size, sizeof(size));
+
+ close(fd);
+
+ if (ret <= 0)
+ return -1;
+ else
+ return atoi(size);
+}
+
#endif