nspawn: compress mount table a bit

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

diff --git a/src/sd-daemon.h b/src/sd-daemon.h
index 884c36107d3439119ee8223a7f0f82e9e9ccb868..46dc7fd7e596a3f40c9d03d486e70ece67bab7b3 100644 (file)
--- a/src/sd-daemon.h
+++ b/src/sd-daemon.h
@@ -123,6 +123,18 @@ int sd_listen_fds(int unset_environment);
 */
 int sd_is_fifo(int fd, const char *path);
 
+/*
+  Helper call for identifying a passed file descriptor. Returns 1 if
+  the file descriptor is a special character device on the file
+  system stored under the specified path, 0 otherwise.
+  If path is NULL a path name check will not be done and the call
+  only verifies if the file descriptor refers to a special character.
+  Returns a negative errno style error code on failure.
+
+  See sd_is_special(3) for more information.
+*/
+int sd_is_special(int fd, const char *path);
+
 /*
   Helper call for identifying a passed file descriptor. Returns 1 if
   the file descriptor is a socket of the specified family (AF_INET,