From 209e0af265275f43f02d6c1f3a5f012f707f5eaf Mon Sep 17 00:00:00 2001
From: Johan Danielsson <joda@pdc.kth.se>
Date: Fri, 4 Aug 2000 09:48:26 +0000
Subject: [PATCH] add pidfile function

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@8889 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/roken/write_pid.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/lib/roken/write_pid.c b/lib/roken/write_pid.c
index 71e1f766e..e5b72d615 100644
--- a/lib/roken/write_pid.c
+++ b/lib/roken/write_pid.c
@@ -49,7 +49,7 @@ pid_file_write (const char *progname)
     FILE *fp;
     char *ret;
 
-    asprintf (&ret, _PATH_VARRUN "%s.pid", progname);
+    asprintf (&ret, "%s%s.pid", _PATH_VARRUN, progname);
     if (ret == NULL)
 	return NULL;
     fp = fopen (ret, "w");
@@ -71,3 +71,23 @@ pid_file_delete (char **filename)
 	*filename = NULL;
     }
 }
+
+static char *pidfile_path;
+
+static void
+pidfile_cleanup(void)
+{
+    if(pidfile_path != NULL)
+	pid_file_delete(&pidfile_path);
+}
+
+void
+pidfile(const char *basename)
+{
+    if(pidfile_path != NULL)
+	return;
+    if(basename == NULL)
+	basename = __progname;
+    pidfile_path = pid_file_write(basename);
+    atexit(pidfile_cleanup);
+}