From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Wed, 18 Oct 2017 17:48:29 +0000 (+0200)
Subject: utils: add lxc_cloexec()
X-Git-Tag: lxc-2.0.10~620
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=785c692d7b780eca67eb458ab7094c0a1bcca0ee;p=thirdparty%2Flxc.git

utils: add lxc_cloexec()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/utils.h b/src/lxc/utils.h
index 606538a2a..a17e26785 100644
--- a/src/lxc/utils.h
+++ b/src/lxc/utils.h
@@ -241,6 +241,11 @@ static inline int memfd_create(const char *name, unsigned int flags) {
 extern int memfd_create(const char *name, unsigned int flags);
 #endif
 
+static inline int lxc_set_cloexec(int fd)
+{
+	return fcntl(fd, F_SETFD, FD_CLOEXEC);
+}
+
 /* Struct to carry child pid from lxc_popen() to lxc_pclose().
  * Not an opaque struct to allow direct access to the underlying FILE *
  * (i.e., struct lxc_popen_FILE *file; fgets(buf, sizeof(buf), file->f))