move accept4, dup3, and pipe2 to non-linux-specific locations

[musl] / src / unistd / dup3.c

diff --git a/src/unistd/dup3.c b/src/unistd/dup3.c
new file mode 100644 (file)
index 0000000..18f6fcc
--- /dev/null
+++ b/src/unistd/dup3.c
@@ -0,0 +1,10 @@
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <errno.h>
+#include "syscall.h"
+
+int dup3(int old, int new, int flags) {
+       int r;
+       while ((r=__syscall(SYS_dup3, old, new, flags))==-EBUSY);
+       return __syscall_ret(r);
+}