smtp transport: poll for trailing data to drain before close

[exim.git] / src / src / functions.h

diff --git a/src/src/functions.h b/src/src/functions.h
index ba02b82b23132d443b4a7cbaa1e5b89d9e4367bd..efabef044b96ef5b7e305ec8a757d72e3700128e 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -1254,6 +1254,7 @@ child_open(uschar **argv, uschar **envp, int newumask, int *infdptr,
   outfdptr, make_leader, purpose);
 }
 
+/* Return 1 if fd is usable per pollbits, else 0 */
 static inline int
 poll_one_fd(int fd, short pollbits, int tmo_millisec)
 {