com_lsblob: Print an error message if no blob matched.

[paraslash.git] / ipc.c

diff --git a/ipc.c b/ipc.c
index 674d1cb01e5fae9c5ae2ecb8f8ceec92fa9faa62..576bfe5bcd815ee296da0b56d49a7f3ea5d97e4e 100644 (file)
--- a/ipc.c
+++ b/ipc.c
@@ -184,6 +184,15 @@ int shm_detach(void *addr)
 #      undef SYSCTL_SHMMAX_VARIABLE
 # endif
 
+/**
+ * Get the maximal size of a shared memory area.
+ *
+ * The value is only computed once when the function is called for the first
+ * time.  Subsequent calls return the number which was computed during the
+ * first call.
+ *
+ * \return A number suitable as an argument to \ref shm_new().
+ */
 size_t shm_get_shmmax(void)
 {
        static size_t shmmax;