X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2Flttng-ust-fd%2Flttng-ust-fd.c;h=01decd1e0e2ef68444bb62dd452aabc92ee25548;hb=HEAD;hp=0360b6f269a85eca5db049bacf258492b7c97249;hpb=4b01076fea0f635af6af6762a8edce1be03e5d39;p=lttng-ust.git

diff --git a/src/lib/lttng-ust-fd/lttng-ust-fd.c b/src/lib/lttng-ust-fd/lttng-ust-fd.c
index 0360b6f2..01decd1e 100644
--- a/src/lib/lttng-ust-fd/lttng-ust-fd.c
+++ b/src/lib/lttng-ust-fd/lttng-ust-fd.c
@@ -148,6 +148,9 @@ int fclose(FILE *stream)
 			__lttng_ust_fd_plibc_fclose);
 }
 
+/* Old libc headers don't contain a close_range() declaration. */
+int close_range(unsigned int first, unsigned int last, int flags);
+
 /*
  * Override the libc close_range() symbol with our own, allowing
  * applications to close arbitrary file descriptors. If the fd is owned