socket: add POSIX mqueue support

1 files changed, 8 insertions, 0 deletions

diff --git a/src/sd-daemon.h b/src/sd-daemon.h
index 4b853a15be..c3d9b6fb0d 100644
--- a/src/sd-daemon.h
+++ b/src/sd-daemon.h
@@ -178,6 +178,14 @@ int sd_is_socket_inet(int fd, int family, int type, int listening, uint16_t port
 int sd_is_socket_unix(int fd, int type, int listening, const char *path, size_t length) _sd_hidden_;
 
 /*
+  Helper call for identifying a passed file descriptor. Returns 1 if
+  the file descriptor is a POSIX Message Queue of the specified name,
+  0 otherwise. If path is NULL a message queue name check is not
+  done. Returns a negative errno style error code on failure.
+*/
+int sd_is_mq(int fd, const char *path) _sd_hidden_;
+
+/*
   Informs systemd about changed daemon state. This takes a number of
   newline separated environment-style variable assignments in a
   string. The following variables are known: