os/os-mac: kill unused code
[fio.git] / backend.c
index 1723b8f423190b6bb2bd8d812692d55f8017d1ca..7de6f654d153b2f2798450ed4298a6d2c6763a2d 100644 (file)
--- a/backend.c
+++ b/backend.c
 #include "workqueue.h"
 #include "lib/mountcheck.h"
 #include "rate-submit.h"
-
-static pthread_t helper_thread;
-static pthread_mutex_t helper_lock;
-pthread_cond_t helper_cond;
-int helper_do_stat = 0;
+#include "helper_thread.h"
 
 static struct fio_mutex *startup_mutex;
 static struct flist_head *cgroup_list;
@@ -79,7 +75,6 @@ unsigned int stat_number = 0;
 int shm_id = 0;
 int temp_stall_ts;
 unsigned long done_secs = 0;
-volatile int helper_exit = 0;
 
 #define PAGE_ALIGN(buf)        \
        (char *) (((uintptr_t) (buf) + page_mask) & ~page_mask)
@@ -1722,7 +1717,7 @@ static void *thread_main(void *data)
 
        fio_unpin_memory(td);
 
-       fio_writeout_logs(td);
+       td_writeout_logs(td, true);
 
        iolog_compress_exit(td);
        rate_submit_exit(td);
@@ -2319,82 +2314,10 @@ reap:
        update_io_ticks();
 }
 
-static void wait_for_helper_thread_exit(void)
-{
-       void *ret;
-
-       helper_exit = 1;
-       pthread_cond_signal(&helper_cond);
-       pthread_join(helper_thread, &ret);
-}
-
 static void free_disk_util(void)
 {
        disk_util_prune_entries();
-
-       pthread_cond_destroy(&helper_cond);
-}
-
-static void *helper_thread_main(void *data)
-{
-       struct sk_out *sk_out = data;
-       int ret = 0;
-
-       sk_out_assign(sk_out);
-
-       fio_mutex_up(startup_mutex);
-
-       while (!ret) {
-               uint64_t sec = DISK_UTIL_MSEC / 1000;
-               uint64_t nsec = (DISK_UTIL_MSEC % 1000) * 1000000;
-               struct timespec ts;
-               struct timeval tv;
-
-               gettimeofday(&tv, NULL);
-               ts.tv_sec = tv.tv_sec + sec;
-               ts.tv_nsec = (tv.tv_usec * 1000) + nsec;
-
-               if (ts.tv_nsec >= 1000000000ULL) {
-                       ts.tv_nsec -= 1000000000ULL;
-                       ts.tv_sec++;
-               }
-
-               pthread_cond_timedwait(&helper_cond, &helper_lock, &ts);
-
-               ret = update_io_ticks();
-
-               if (helper_do_stat) {
-                       helper_do_stat = 0;
-                       __show_running_run_stats();
-               }
-
-               if (!is_backend)
-                       print_thread_status();
-       }
-
-       sk_out_drop();
-       return NULL;
-}
-
-static int create_helper_thread(struct sk_out *sk_out)
-{
-       int ret;
-
-       setup_disk_util();
-
-       pthread_cond_init(&helper_cond, NULL);
-       pthread_mutex_init(&helper_lock, NULL);
-
-       ret = pthread_create(&helper_thread, NULL, helper_thread_main, sk_out);
-       if (ret) {
-               log_err("Can't create helper thread: %s\n", strerror(ret));
-               return 1;
-       }
-
-       dprint(FD_MUTEX, "wait on startup_mutex\n");
-       fio_mutex_down(startup_mutex);
-       dprint(FD_MUTEX, "done waiting on startup_mutex\n");
-       return 0;
+       helper_thread_destroy();
 }
 
 int fio_backend(struct sk_out *sk_out)
@@ -2427,14 +2350,14 @@ int fio_backend(struct sk_out *sk_out)
 
        set_genesis_time();
        stat_init();
-       create_helper_thread(sk_out);
+       helper_thread_create(startup_mutex, sk_out);
 
        cgroup_list = smalloc(sizeof(*cgroup_list));
        INIT_FLIST_HEAD(cgroup_list);
 
        run_threads(sk_out);
 
-       wait_for_helper_thread_exit();
+       helper_thread_exit();
 
        if (!fio_abort) {
                __show_run_stats();