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authorMattias Andrée <maandree@member.fsf.org>2015-12-31 01:20:14 +0100
committerMattias Andrée <maandree@member.fsf.org>2015-12-31 01:20:14 +0100
commit12ce1683a5901ffa00b96f5805855e568a3c6054 (patch)
tree98550f60bd200eb74ac4a499387ed4c06c957835 /include/unistd.h
parentm bug fix (diff)
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daemonise: add option to override pid file
Signed-off-by: Mattias Andrée <maandree@member.fsf.org>
Diffstat (limited to '')
-rw-r--r--include/unistd.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h
index d95e08a..8479ae9 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -1082,6 +1082,14 @@ int daemon(int, int)
#define DAEMONISE_KEEP_FDS 1024
/**
+ * Override the PID file if it already exists,
+ * rather than failing. It is a bad idea to do
+ * this unless you already made sure that the
+ * daemon is not already running.
+ */
+#define DAEMONISE_NEW_PID 2048
+
+/**
* Daemonise the process. This means to:
*
* - close all file descritors except for those to
@@ -1163,6 +1171,7 @@ int daemon(int, int)
* - `DAEMONISE_KEEP_STDIN`
* - `DAEMONISE_KEEP_STDOUT`
* - `DAEMONISE_KEEP_FDS`
+ * - `DAEMONISE_NEW_PID`
* @param ... Enabled if `DAEMONISE_KEEP_FDS` is used,
* do not add anything if `DAEMONISE_KEEP_FDS`
* is unused. This is a `-1`-terminated list