From 353120b48d4f61288e4745b0c8a191784b11c0f4 Mon Sep 17 00:00:00 2001
From: Jiri Olsa <jolsa@kernel.org>
Date: Mon, 7 Oct 2019 14:53:09 +0200
Subject: libperf: Add perf_mmap__init() function

Add perf_mmap__init() function to initialize 'struct perf_mmap' objects.

Add it to a new mmap.c source file, that will carry all the mmap related
functions.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20191007125344.14268-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/lib/mmap.c | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 tools/perf/lib/mmap.c

(limited to 'tools/perf/lib/mmap.c')

diff --git a/tools/perf/lib/mmap.c b/tools/perf/lib/mmap.c
new file mode 100644
index 000000000000..3da6177510e6
--- /dev/null
+++ b/tools/perf/lib/mmap.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <internal/mmap.h>
+
+void perf_mmap__init(struct perf_mmap *map, bool overwrite)
+{
+	map->fd = -1;
+	map->overwrite = overwrite;
+	refcount_set(&map->refcnt, 0);
+}
-- 
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