socket: add POSIX mqueue support

[elogind.git] / src / sd-daemon.h

diff --git a/src/sd-daemon.h b/src/sd-daemon.h
index 4b853a15bec92fa98785fdb6638cfd2d22f67dd9..c3d9b6fb0da266db50db4555b3e47639a66722ac 100644 (file)
--- a/src/sd-daemon.h
+++ b/src/sd-daemon.h
@@ -177,6 +177,14 @@ 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