Merge commit 'af5ee34c353ea2868a4b04b227bc1b511e1ac42b'

[osmocom-bb.git] / src / shared / libosmocore / src / select.c

diff --git a/src/shared/libosmocore/src/select.c b/src/shared/libosmocore/src/select.c
index 2f6afa7..f52b0a0 100644 (file)
--- a/src/shared/libosmocore/src/select.c
+++ b/src/shared/libosmocore/src/select.c
@@ -19,6 +19,8 @@
  */
 
 #include <fcntl.h>
+#include <stdio.h>
+
 #include <osmocore/select.h>
 #include <osmocore/linuxlist.h>
 #include <osmocore/timer.h>
@@ -48,6 +50,16 @@ int bsc_register_fd(struct bsc_fd *fd)
        if (fd->fd > maxfd)
                maxfd = fd->fd;
 
+#ifdef BSC_FD_CHECK
+       struct bsc_fd *entry;
+       llist_for_each_entry(entry, &bsc_fds, list) {
+               if (entry == fd) {
+                       fprintf(stderr, "Adding a bsc_fd that is already in the list.\n");
+                       return 0;
+               }
+       }
+#endif
+
        llist_add_tail(&fd->list, &bsc_fds);
 
        return 0;