daemon: Add ability to write a PID file

The PID file will only be written if the daemon is called with the
`--detach` command line argument and a `--pidfile /some/file/path`
argument.

1 files changed, 8 insertions, 7 deletions

diff --git a/src/daemonizer/posix_fork.h b/src/daemonizer/posix_fork.h
index 459417d25..77ef4cb19 100644
--- a/src/daemonizer/posix_fork.h
+++ b/src/daemonizer/posix_fork.h
@@ -1,21 +1,21 @@
 // Copyright (c) 2014-2017, The Monero Project
-// 
+//
 // All rights reserved.
-// 
+//
 // Redistribution and use in source and binary forms, with or without modification, are
 // permitted provided that the following conditions are met:
-// 
+//
 // 1. Redistributions of source code must retain the above copyright notice, this list of
 //    conditions and the following disclaimer.
-// 
+//
 // 2. Redistributions in binary form must reproduce the above copyright notice, this list
 //    of conditions and the following disclaimer in the documentation and/or other
 //    materials provided with the distribution.
-// 
+//
 // 3. Neither the name of the copyright holder nor the names of its contributors may be
 //    used to endorse or promote products derived from this software without specific
 //    prior written permission.
-// 
+//
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
@@ -27,12 +27,13 @@
 // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #pragma once
+#include <string>
 
 #ifndef WIN32
 
 namespace posix {
 
-void fork();
+void fork(const std::string & pidfile);
 
 }