1 files changed, 32 insertions, 0 deletions
diff --git a/winsup/cygwin/socket_tests/writev_socket.c b/winsup/cygwin/socket_tests/writev_socket.c
new file mode 100644
index 000000000..793857222
--- /dev/null
+++ b/winsup/cygwin/socket_tests/writev_socket.c
@@ -0,0 +1,32 @@
+/* Adapted from https://www.oreilly.com/library/view/linux-system-programming/0596009585/ch04.html */
+
+#include "scatter_gather.h"
+
+int main ( )
+{
+  struct iovec iov[3];
+  ssize_t nr;
+  int sfd;
+
+  char *buf[] = {
+    "The term buccaneer comes from the word boucan.\n",
+    "A boucan is a wooden frame used for cooking meat.\n",
+    "Buccaneer is the West Indies name for a pirate.\n"
+  };
+
+  if ((sfd = unixConnect (SV_SOCK_PATH, SOCK_STREAM)) < 0)
+    errExit ("unixConnect");
+
+  for (int i = 0; i < 3; i++)
+    {
+      iov[i].iov_base = buf[i];
+      iov[i].iov_len = strlen (buf[i]) + 1;
+    }
+
+  nr = writev (sfd, iov, 3);
+  if (nr < 0)
+    errExit ("writev");
+  printf ("wrote %zd bytes\n", nr);
+  if (close (sfd) < 0)
+    errExit ("close");
+}