perf tools: Consolidate close_control_option()'s into one function

Consolidate control option fifo closing into one function.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Suggested-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lore.kernel.org/lkml/20200903122937.25691-1-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-record.c

@@ -2253,16 +2253,6 @@ static int parse_control_option(const struct option *opt,
 	return evlist__parse_control(str, &opts->ctl_fd, &opts->ctl_fd_ack, &opts->ctl_fd_close);
 }
 
-static void close_control_option(struct record_opts *opts)
-{
-	if (opts->ctl_fd_close) {
-		opts->ctl_fd_close = false;
-		close(opts->ctl_fd);
-		if (opts->ctl_fd_ack >= 0)
-			close(opts->ctl_fd_ack);
-	}
-}
-
 static void switch_output_size_warn(struct record *rec)
 {
 	u64 wakeup_size = evlist__mmap_size(rec->opts.mmap_pages);
@@ -2849,7 +2839,7 @@ int cmd_record(int argc, const char **argv)
 	symbol__exit();
 	auxtrace_record__free(rec->itr);
 out_opts:
-	close_control_option(&rec->opts);
+	evlist__close_control(rec->opts.ctl_fd, rec->opts.ctl_fd_ack, &rec->opts.ctl_fd_close);
 	return err;
 }
 

tools/perf/builtin-stat.c

@@ -1051,16 +1051,6 @@ static int parse_control_option(const struct option *opt,
 	return evlist__parse_control(str, &config->ctl_fd, &config->ctl_fd_ack, &config->ctl_fd_close);
 }
 
-static void close_control_option(struct perf_stat_config *config)
-{
-	if (config->ctl_fd_close) {
-		config->ctl_fd_close = false;
-		close(config->ctl_fd);
-		if (config->ctl_fd_ack >= 0)
-			close(config->ctl_fd_ack);
-	}
-}
-
 static struct option stat_options[] = {
 	OPT_BOOLEAN('T', "transaction", &transaction_run,
 		    "hardware transaction statistics"),
@@ -2410,7 +2400,7 @@ int cmd_stat(int argc, const char **argv)
 
 	metricgroup__rblist_exit(&stat_config.metric_events);
 	runtime_stat_delete(&stat_config);
-	close_control_option(&stat_config);
+	evlist__close_control(stat_config.ctl_fd, stat_config.ctl_fd_ack, &stat_config.ctl_fd_close);
 
 	return status;
 }

tools/perf/util/evlist.c

@@ -1802,6 +1802,16 @@ int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *c
 	return 0;
 }
 
+void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close)
+{
+	if (*ctl_fd_close) {
+		*ctl_fd_close = false;
+		close(ctl_fd);
+		if (ctl_fd_ack >= 0)
+			close(ctl_fd_ack);
+	}
+}
+
 int evlist__initialize_ctlfd(struct evlist *evlist, int fd, int ack)
 {
 	if (fd == -1) {

tools/perf/util/evlist.h

@@ -376,6 +376,7 @@ enum evlist_ctl_cmd {
 };
 
 int evlist__parse_control(const char *str, int *ctl_fd, int *ctl_fd_ack, bool *ctl_fd_close);
+void evlist__close_control(int ctl_fd, int ctl_fd_ack, bool *ctl_fd_close);
 int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack);
 int evlist__finalize_ctlfd(struct evlist *evlist);
 bool evlist__ctlfd_initialized(struct evlist *evlist);