Initial commit

1 files changed, 43 insertions, 0 deletions

diff --git a/testing/yup-comm/mailslot.c b/testing/yup-comm/mailslot.c
new file mode 100644
index 0000000..a18f21e
--- /dev/null
+++ b/testing/yup-comm/mailslot.c
@@ -0,0 +1,43 @@
+/* Author: Jan Sucan */
+
+#include "mailslot.h"
+
+HANDLE
+mailslot_create(const char * const name)
+{
+  return CreateMailslot(name, 0, MAILSLOT_WAIT_FOREVER, NULL);
+}
+
+unsigned
+mailslot_read(HANDLE slot, char * const buf, unsigned buf_size)
+{
+  unsigned bytes_read;
+  
+  ReadFile(slot, buf, buf_size, &bytes_read, NULL);
+
+  return bytes_read;
+}
+
+HANDLE
+mailslot_connect(const char * const name)
+{
+  return CreateFile(name, GENERIC_WRITE, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+}
+
+int
+mailslot_write(HANDLE slot, char * const buf, unsigned buf_size)
+{
+  unsigned bytes_written;
+  
+  if (WriteFile(slot, buf, buf_size, &bytes_written, NULL) == 0) {
+    return -1;
+  }
+
+  return (bytes_written != buf_size) ? -1 : 0;
+}
+
+void
+mailslot_close(HANDLE slot)
+{
+  CloseHandle(slot);
+}