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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:06:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:06:34 +0000
commit5e61585d76ae77fd5e9e96ebabb57afa4d74880d (patch)
tree2b467823aaeebc7ef8bc9e3cabe8074eaef1666d /src/util/myflock.h
parentInitial commit. (diff)
downloadpostfix-upstream/3.5.24.tar.xz
postfix-upstream/3.5.24.zip
Adding upstream version 3.5.24.upstream/3.5.24upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/myflock.h')
-rw-r--r--src/util/myflock.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/util/myflock.h b/src/util/myflock.h
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--- /dev/null
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+#ifndef _MYFLOCK_H_INCLUDED_
+#define _MYFLOCK_H_INCLUDED_
+
+/*++
+/* NAME
+/* myflock 3h
+/* SUMMARY
+/* lock open file
+/* SYNOPSIS
+/* #include <myflock.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * External interface.
+ */
+extern int WARN_UNUSED_RESULT myflock(int, int, int);
+
+ /*
+ * Lock styles.
+ */
+#define MYFLOCK_STYLE_FLOCK 1
+#define MYFLOCK_STYLE_FCNTL 2
+
+ /*
+ * Lock request types.
+ */
+#define MYFLOCK_OP_NONE 0
+#define MYFLOCK_OP_SHARED 1
+#define MYFLOCK_OP_EXCLUSIVE 2
+#define MYFLOCK_OP_NOWAIT 4
+
+#define MYFLOCK_OP_BITS \
+ (MYFLOCK_OP_SHARED | MYFLOCK_OP_EXCLUSIVE | MYFLOCK_OP_NOWAIT)
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*
+/* Wietse Venema
+/* Google, Inc.
+/* 111 8th Avenue
+/* New York, NY 10011, USA
+/*--*/
+
+#endif