From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 21 Oct 2017 14:22:58 +0000 (+0200)
Subject: utils: add lxc_getpagesize()
X-Git-Tag: lxc-2.0.10~618
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df0f17ad197938c0f91c2332de9f659ba8f7beea;p=thirdparty%2Flxc.git

utils: add lxc_getpagesize()

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

diff --git a/src/lxc/utils.c b/src/lxc/utils.c
index 102bcdcfd..0c188341a 100644
--- a/src/lxc/utils.c
+++ b/src/lxc/utils.c
@@ -2417,3 +2417,14 @@ int lxc_make_tmpfile(char *template, bool rm)
 
 	return fd;
 }
+
+uint64_t lxc_getpagesize(void)
+{
+	int64_t pgsz;
+
+	pgsz = sysconf(_SC_PAGESIZE);
+	if (pgsz <= 0)
+		pgsz = 1 << 12;
+
+	return pgsz;
+}
diff --git a/src/lxc/utils.h b/src/lxc/utils.h
index 967744ff3..1fe61ec39 100644
--- a/src/lxc/utils.h
+++ b/src/lxc/utils.h
@@ -457,5 +457,6 @@ extern bool has_fs_type(const char *path, fs_type_magic magic_val);
 extern bool is_fs_type(const struct statfs *fs, fs_type_magic magic_val);
 extern bool lxc_nic_exists(char *nic);
 extern int lxc_make_tmpfile(char *template, bool rm);
+extern uint64_t lxc_getpagesize(void);
 
 #endif /* __LXC_UTILS_H */