File fbguard-allow-creating-a-guard-pidfile.patch of Package firebird

From: Michal Kubecek <mkubecek@suse.cz>
Date: Tue, 8 May 2012 21:13:41 +0200
Subject: fbguard: allow creating a guard pidfile

To better cooperate with killproc, add option -gpidfile to create
a pidfile with fbguard PID.
---
 src/utilities/guard/guard.cpp | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/utilities/guard/guard.cpp b/src/utilities/guard/guard.cpp
index 2727bdf25756..60f9b090241a 100644
--- a/src/utilities/guard/guard.cpp
+++ b/src/utilities/guard/guard.cpp
@@ -91,6 +91,7 @@ int CLIB_ROUTINE main( int argc, char **argv)
 	bool daemon = false;
 	const TEXT* prog_name = argv[0];
 	const TEXT* pidfilename = 0;
+	const TEXT* gpidfilename = 0;
 	int guard_exit_code = 0;
 
 	const TEXT* const* const end = argc + argv;
@@ -116,9 +117,13 @@ int CLIB_ROUTINE main( int argc, char **argv)
 			case 'P':
 				pidfilename = *argv++;
 				break;
+			case 'G':
+				gpidfilename = *argv++;
+				break;
 			default:
 				fprintf(stderr,
-						"Usage: %s [-signore | -onetime | -forever (default)] [-daemon] [-pidfile filename]\n",
+						"Usage: %s [-signore | -onetime | -forever (default)] [-daemon]\n"
+						"        [-pidfile filename] [-gpidfile filename]\n",
 						prog_name);
 				exit(-1);
 				break;
@@ -213,6 +218,22 @@ int CLIB_ROUTINE main( int argc, char **argv)
 			}
 		}
 
+		if (gpidfilename)
+		{
+			FILE *gpf = fopen(gpidfilename, "w");
+			if (gpf)
+			{
+				unsigned guard_pid = getpid();
+				fprintf(gpf, "%d", guard_pid);
+				fclose(gpf);
+			}
+			else
+			{
+				gds__log("%s: guardian could not open %s for writing, error %d\n",
+						 prog_name, gpidfilename, errno);
+			}
+		}
+
 		// wait for child to die, and evaluate exit status
 		bool shutdown_child = true;
 		if (!shutting_down)
@@ -283,6 +304,9 @@ int CLIB_ROUTINE main( int argc, char **argv)
 	if (pidfilename) {
 		remove(pidfilename);
 	}
+	if (gpidfilename) {
+		remove(gpidfilename);
+	}
 	UTIL_ex_unlock(fd_guard);
 	exit(guard_exit_code);
 } // main
-- 
2.8.1