new file mode 100644
@@ -0,0 +1,8 @@
+#ifndef CUTILS_H_
+#define CUTILS_H_
+
+#include "qemu/osdep.h"
+
+int qga_open_cloexec(const char *name, int flags, mode_t mode);
+
+#endif /* CUTILS_H_ */
new file mode 100644
@@ -0,0 +1,33 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "cutils.h"
+
+#include "qapi/error.h"
+
+/**
+ * qga_open_cloexec:
+ * @name: the pathname to open
+ * @flags: as in open()
+ * @mode: as in open()
+ *
+ * A wrapper for open() function which sets O_CLOEXEC.
+ *
+ * On error, -1 is returned.
+ */
+int qga_open_cloexec(const char *name, int flags, mode_t mode)
+{
+ int ret;
+
+#ifdef O_CLOEXEC
+ ret = open(name, flags | O_CLOEXEC, mode);
+#else
+ ret = open(name, flags, mode);
+ if (ret >= 0) {
+ qemu_set_cloexec(ret);
+ }
+#endif
+
+ return ret;
+}
@@ -65,6 +65,7 @@ qga_ss.add(files(
'commands.c',
'guest-agent-command-state.c',
'main.c',
+ 'cutils.c',
))
qga_ss.add(when: 'CONFIG_POSIX', if_true: files(
'channel-posix.c',