Add a real semaphore implemtation
I've seen races where job N+1 got started before N, this breaks
for dependent jobs. So give up and implement a real semaphore
in mmap'ed shared storage.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/init.c b/init.c
index a6d8bae..c75bed2 100644
--- a/init.c
+++ b/init.c
@@ -857,7 +857,7 @@
f->file_offset = td->start_offset;
}
- fio_sem_init(&td->mutex, 0);
+ td->mutex = fio_sem_init(0);
td->ts.clat_stat[0].min_val = td->ts.clat_stat[1].min_val = ULONG_MAX;
td->ts.slat_stat[0].min_val = td->ts.slat_stat[1].min_val = ULONG_MAX;