1 files changed, 51 insertions, 0 deletions
diff --git a/lib/daemon.h b/lib/daemon.h
new file mode 100644
index 000000000..7781dd068
--- /dev/null
+++ b/lib/daemon.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2008 Nicira Networks.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef DAEMON_H
+#define DAEMON_H 1
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+#define DAEMON_LONG_OPTIONS                         \
+        {"detach",      no_argument, 0, 'D'},       \
+        {"force",       no_argument, 0, 'f'},       \
+        {"pidfile",     optional_argument, 0, 'P'}
+
+#define DAEMON_OPTION_HANDLERS                  \
+        case 'D':                               \
+            set_detach();                       \
+            break;                              \
+                                                \
+        case 'P':                               \
+            set_pidfile(optarg);                \
+            break;                              \
+                                                \
+        case 'f':                               \
+            ignore_existing_pidfile();          \
+            break;
+
+char *make_pidfile_name(const char *name);
+void set_pidfile(const char *name);
+const char *get_pidfile(void);
+void set_detach(void);
+void daemonize(void);
+void die_if_already_running(void);
+void ignore_existing_pidfile(void);
+void daemon_usage(void);
+pid_t read_pidfile(const char *name);
+
+#endif /* daemon.h */