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-rw-r--r--sys/sys/sbuf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/sys/sbuf.h b/sys/sys/sbuf.h
index 4010f3b7d31c..3b099fe3f512 100644
--- a/sys/sys/sbuf.h
+++ b/sys/sys/sbuf.h
@@ -52,6 +52,7 @@ struct sbuf {
#define SBUF_AUTOEXTEND 0x00000001 /* automatically extend buffer */
#define SBUF_INCLUDENUL 0x00000002 /* nulterm byte is counted in len */
#define SBUF_DRAINTOEOR 0x00000004 /* use section 0 as drain EOR marker */
+#define SBUF_NOWAIT 0x00000008 /* Extend with non-blocking malloc */
#define SBUF_USRFLAGMSK 0x0000ffff /* mask of flags the user may specify */
#define SBUF_DYNAMIC 0x00010000 /* s_buf must be freed */
#define SBUF_FINISHED 0x00020000 /* set by sbuf_finish() */