X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Funistd%2Fdup2.c;h=87a0d44538eb49162bf4d26824b0d35de19af0fb;hb=8224bdbbedc60a5d637d95ddd344501f667f0294;hp=93325446739ca3db0acea5e0438ddf489ef5cfd0;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/unistd/dup2.c b/src/unistd/dup2.c
index 93325446..87a0d445 100644
--- a/src/unistd/dup2.c
+++ b/src/unistd/dup2.c
@@ -1,7 +1,10 @@
 #include <unistd.h>
+#include <errno.h>
 #include "syscall.h"
 
 int dup2(int old, int new)
 {
-	return __syscall_dup2(old, new);
+	int r;
+	while ((r=__syscall(SYS_dup2, old, new))==-EBUSY);
+	return __syscall_ret(r);
 }