Include engines in dependency check

[fio.git] / io_u.c

diff --git a/io_u.c b/io_u.c
index 23a64b046861bcf13e68bf316fd5111593468ca4..4f17decd4ca8002133f6f84d66192f506e520d92 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -3,6 +3,7 @@
 #include <string.h>
 #include <signal.h>
 #include <time.h>
+#include <assert.h>
 
 #include "fio.h"
 #include "os.h"
@@ -193,6 +194,9 @@ static enum fio_ddir get_rw_ddir(struct thread_data *td)
 
 void put_io_u(struct thread_data *td, struct io_u *io_u)
 {
+       assert((io_u->flags & IO_U_F_FREE) == 0);
+       io_u->flags |= IO_U_F_FREE;
+
        io_u->file = NULL;
        list_del(&io_u->list);
        list_add(&io_u->list, &td->io_u_freelist);
@@ -352,6 +356,9 @@ struct io_u *__get_io_u(struct thread_data *td)
        }
 
        if (io_u) {
+               assert(io_u->flags & IO_U_F_FREE);
+               io_u->flags &= ~IO_U_F_FREE;
+
                io_u->error = 0;
                list_del(&io_u->list);
                list_add(&io_u->list, &td->io_u_busylist);
@@ -441,6 +448,9 @@ static void io_completed(struct thread_data *td, struct io_u *io_u,
 {
        unsigned long msec;
 
+       assert(io_u->flags & IO_U_F_FLIGHT);
+       io_u->flags &= ~IO_U_F_FLIGHT;
+
        if (io_u->ddir == DDIR_SYNC) {
                td->last_was_sync = 1;
                return;
@@ -572,3 +582,54 @@ void io_u_queued(struct thread_data *td, struct io_u *io_u)
        slat_time = mtime_since(&io_u->start_time, &io_u->issue_time);
        add_slat_sample(td, io_u->ddir, slat_time);
 }
+
+void io_u_set_timeout(struct thread_data *td)
+{
+       assert(td->cur_depth);
+
+       td->timer.it_interval.tv_sec = 0;
+       td->timer.it_interval.tv_usec = 0;
+       td->timer.it_value.tv_sec = IO_U_TIMEOUT + IO_U_TIMEOUT_INC;
+       td->timer.it_value.tv_usec = 0;
+       setitimer(ITIMER_REAL, &td->timer, NULL);
+       fio_gettime(&td->timeout_end, NULL);
+}
+
+static void io_u_timeout_handler(int fio_unused sig)
+{
+       struct thread_data *td, *__td;
+       pid_t pid = getpid();
+       int i;
+
+       log_err("fio: io_u timeout\n");
+
+       /*
+        * TLS would be nice...
+        */
+       td = NULL;
+       for_each_td(__td, i) {
+               if (__td->pid == pid) {
+                       td = __td;
+                       break;
+               }
+       }
+
+       if (!td) {
+               log_err("fio: io_u timeout, can't find job\n");
+               exit(1);
+       }
+
+       if (!td->cur_depth) {
+               log_err("fio: timeout without pending work?\n");
+               return;
+       }
+
+       log_err("fio: io_u timeout: job=%s, pid=%d\n", td->name, td->pid);
+       td->error = ETIMEDOUT;
+       exit(1);
+}
+
+void io_u_init_timeout(void)
+{
+       signal(SIGALRM, io_u_timeout_handler);
+}