From a22d90e47d420492c98ade168780ba7d3964419b Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 30 Oct 2017 12:52:48 +0000
Subject:  Add lock_unx()

---
 src/include/skalibs/djbunix.h |  1 +
 src/libstddjb/lock_unx.c      | 11 +++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 src/libstddjb/lock_unx.c

(limited to 'src')

diff --git a/src/include/skalibs/djbunix.h b/src/include/skalibs/djbunix.h
index f4cac8a..4dc534e 100644
--- a/src/include/skalibs/djbunix.h
+++ b/src/include/skalibs/djbunix.h
@@ -39,6 +39,7 @@ extern int lock_exnb (int) ;
 extern int lock_sh (int) ;
 extern int lock_shnb (int) ;
 extern int lock_un (int) ;
+extern void lock_unx (int) ;
 extern int open2 (char const *, unsigned int) ;
 extern int open3 (char const *, unsigned int, unsigned int) ;
 extern int open_read (char const *) ;
diff --git a/src/libstddjb/lock_unx.c b/src/libstddjb/lock_unx.c
new file mode 100644
index 0000000..d2f8483
--- /dev/null
+++ b/src/libstddjb/lock_unx.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/djbunix.h>
+
+void lock_unx (int fd)
+{
+  int e = errno ;
+  lock_un(fd) ;
+  errno = e ;
+}
-- 
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