Adding upstream version 4.96.upstream/4.96upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/OS/os.c-FreeBSD b/OS/os.c-FreeBSD
new file mode 100644
index 0000000..02b7858
--- /dev/null
+++ b/OS/os.c-FreeBSD
@@ -0,0 +1,49 @@
+/*************************************************
+*     Exim - an Internet mail transport agent    *
+*************************************************/
+
+/* Copyright (c) Jeremy Harris 1995 - 2020 */
+/* Copyright (c) The Exim Maintainers 2021 */
+/* See the file NOTICE for conditions of use and distribution. */
+
+/* FreeBSD-specific code. This is concatenated onto the generic
+src/os.c file. */
+
+
+/*************
+Sendfile shim
+*************/
+
+ssize_t
+os_sendfile(int out, int in, off_t * offp, size_t cnt)
+{
+off_t loff = offp ? *offp : 0;
+off_t written;
+
+if (sendfile(in, out, loff, cnt, NULL, &written, 0) < 0) return (ssize_t)-1;
+if (offp) *offp = loff + written;
+return (ssize_t)written;
+}
+
+/*************************************************
+TCP Fast Open:  check that the ioctl is accepted
+*************************************************/
+
+#ifndef COMPILE_UTILITY
+void
+tfo_probe(void)
+{
+# ifdef TCP_FASTOPEN
+int sock;
+
+if (  (sock = socket(AF_INET, SOCK_STREAM, 0)) >= 0
+   && setsockopt(sock, IPPROTO_TCP, TCP_FASTOPEN, &on, sizeof(on) >= 0)
+   )
+  f.tcp_fastopen_ok = TRUE;
+close(sock);
+# endif
+}
+#endif
+
+
+/* End of os.c-Linux */