compile if MSG_ZEROCOPY is not defined by libc

6 years ago · 0073f743db
parent 84436cb2c6
commit 0073f743db
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 */