X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=backend.c;h=d8f4f2a508119638b212d9dc1c3481ca50e7a989;hb=349d5f6c30cc7be60da8878d0b0078697f356897;hp=e5bb4e259034b29af86fbaed018ae64c7bb288db;hpb=74ee19043ebb12dd6b0aa243f8cdb7ccd63af857;p=fio.git

diff --git a/backend.c b/backend.c
index e5bb4e25..d8f4f2a5 100644
--- a/backend.c
+++ b/backend.c
@@ -90,6 +90,25 @@ static void sig_int(int sig)
 	}
 }
 
+#ifdef WIN32
+static void sig_break(int sig)
+{
+	struct thread_data *td;
+	int i;
+
+	sig_int(sig);
+
+	/**
+	 * Windows terminates all job processes on SIGBREAK after the handler
+	 * returns, so give them time to wrap-up and give stats
+	 */
+	for_each_td(td, i) {
+		while (td->runstate < TD_EXITED)
+			sleep(1);
+	}
+}
+#endif
+
 void sig_show_status(int sig)
 {
 	show_running_run_stats();
@@ -112,7 +131,7 @@ static void set_sig_handlers(void)
 /* Windows uses SIGBREAK as a quit signal from other applications */
 #ifdef WIN32
 	memset(&act, 0, sizeof(act));
-	act.sa_handler = sig_int;
+	act.sa_handler = sig_break;
 	act.sa_flags = SA_RESTART;
 	sigaction(SIGBREAK, &act, NULL);
 #endif
@@ -952,9 +971,11 @@ static void do_io(struct thread_data *td, uint64_t *bytes_done)
 		total_bytes += td->o.size;
 
 	/* In trimwrite mode, each byte is trimmed and then written, so
-	 * allow total_bytes to be twice as big */
-	if (td_trimwrite(td))
+	 * allow total_bytes or number of ios to be twice as big */
+	if (td_trimwrite(td)) {
 		total_bytes += td->total_io_size;
+		td->o.number_ios *= 2;
+	}
 
 	while ((td->o.read_iolog_file && !flist_empty(&td->io_log_list)) ||
 		(!flist_empty(&td->trim_list)) || !io_issue_bytes_exceeded(td) ||
@@ -1770,6 +1791,11 @@ static void *thread_main(void *data)
 	if (td_io_init(td))
 		goto err;
 
+	if (td_ioengine_flagged(td, FIO_SYNCIO) && td->o.iodepth > 1) {
+		log_info("note: both iodepth >= 1 and synchronous I/O engine "
+			 "are selected, queue depth will be capped at 1\n");
+	}
+
 	if (init_io_u(td))
 		goto err;
 
@@ -2432,10 +2458,8 @@ reap:
 							strerror(ret));
 			} else {
 				pid_t pid;
-				struct fio_file **files;
 				void *eo;
 				dprint(FD_PROCESS, "will fork\n");
-				files = td->files;
 				eo = td->eo;
 				read_barrier();
 				pid = fork();
@@ -2446,9 +2470,6 @@ reap:
 					_exit(ret);
 				} else if (i == fio_debug_jobno)
 					*fio_debug_jobp = pid;
-				// freeing previously allocated memory for files
-				// this memory freed MUST NOT be shared between processes, only the pointer itself may be shared within TD
-				free(files);
 				free(eo);
 				free(fd);
 				fd = NULL;