#include <pthread.h>
#include <sys/time.h>
#include <sys/resource.h>
-#include <semaphore.h>
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
char *ioscheduler;
- struct drand48_data bsrange_state;
- struct drand48_data verify_state;
+ os_random_state_t bsrange_state;
+ os_random_state_t verify_state;
int shm_id;
unsigned long long zone_bytes;
unsigned long long this_io_bytes[2];
unsigned long long last_pos;
- sem_t mutex;
+ volatile int mutex;
- struct drand48_data random_state;
+ os_random_state_t random_state;
unsigned long *file_map;
unsigned int num_maps;
unsigned int do_disk_util;
unsigned int override_sync;
- struct drand48_data rwmix_state;
+ os_random_state_t rwmix_state;
struct timeval rwmix_switch;
int rwmix_ddir;
snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, strerror(e)); \
} while (0)
-extern int parse_jobs_ini(char *);
-extern int parse_options(int, char **);
-extern void finish_log(struct thread_data *, struct io_log *, const char *);
-extern int init_random_state(struct thread_data *);
extern struct io_u *__get_io_u(struct thread_data *);
extern void put_io_u(struct thread_data *, struct io_u *);
extern void update_rusage_stat(struct thread_data *);
extern void update_io_ticks(void);
extern void disk_util_timer_arm(void);
+extern void setup_log(struct io_log **);
+extern void finish_log(struct thread_data *, struct io_log *, const char *);
+extern int setup_rate(struct thread_data *);
/*
* Time functions
extern void usec_sleep(struct thread_data *, unsigned long);
extern void rate_throttle(struct thread_data *, unsigned long, unsigned int);
+/*
+ * Init functions
+ */
+extern int parse_options(int, char **);
+extern int init_random_state(struct thread_data *);
+
+/*
+ * This is a pretty crappy semaphore implementation, but with the use that fio
+ * has (just signalling start/go conditions), it doesn't have to be better.
+ * Naturally this would not work for any type of contended semaphore or
+ * for real locking.
+ */
+static inline void fio_sem_init(volatile int volatile *sem, int val)
+{
+ *sem = val;
+}
+
+static inline void fio_sem_down(volatile int volatile *sem)
+{
+ while (*sem == 0)
+ usleep(10000);
+
+ (*sem)--;
+}
+
+static inline void fio_sem_up(volatile int volatile *sem)
+{
+ (*sem)++;
+}
+
#endif