compile if MSG_ZEROCOPY is not defined by libc

2017-11-24 17:21:10 +00:00 · 2017-11-24 17:21:10 +00:00 · e4a2f4d068
commit e4a2f4d068
parent f8c4132df0
1 changed files with 3 additions and 0 deletions
--- a/io/iob_send.c
+++ b/io/iob_send.c
@ -224,6 +224,9 @@ eagain:
 #ifdef MSG_ZEROCOPY
      static int nozerocopy;
      int dozerocopy=1;
+#else
+      const int nozerocopy=0;
+      const int dozerocopy=1;
 #endif
      if (nozerocopy && dozerocopy==0 && docork<0) {	/* write+writev */
 	if (headers==1)	/* cosmetics for strace */