From 567bf445bf188ae60056e779927da52dcd7ed35d Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sat, 15 Aug 2015 16:39:52 +0200
Subject: unix/Daemon: move code to ReadPidFile()

---
 src/unix/PidFile.hxx | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/unix/PidFile.hxx')

diff --git a/src/unix/PidFile.hxx b/src/unix/PidFile.hxx
index 3c3d5ca21..a8af1e890 100644
--- a/src/unix/PidFile.hxx
+++ b/src/unix/PidFile.hxx
@@ -82,4 +82,20 @@ public:
 	}
 };
 
+gcc_pure
+static inline pid_t
+ReadPidFile(Path path)
+{
+	FILE *fp = FOpen(path, PATH_LITERAL("r"));
+	if (fp == nullptr)
+		return -1;
+
+	int pid;
+	if (fscanf(fp, "%i", &pid) != 1)
+		pid = -1;
+
+	fclose(fp);
+	return pid;
+}
+
 #endif
-- 
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