1 files changed, 101 insertions, 0 deletions
diff --git a/crypto/openssh/platform-listen.c b/crypto/openssh/platform-listen.c
new file mode 100644
index 000000000000..45df1f6c36c9
--- /dev/null
+++ b/crypto/openssh/platform-listen.c
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2006 Darren Tucker.  All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "includes.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "log.h"
+#include "misc.h"
+#include "platform.h"
+
+#include "openbsd-compat/openbsd-compat.h"
+
+void
+platform_pre_listen(void)
+{
+#ifdef LINUX_OOM_ADJUST
+	/* Adjust out-of-memory killer so listening process is not killed */
+	oom_adjust_setup();
+#endif
+#ifdef LINUX_MEMLOCK_ONFAULT
+	/*
+	 * Protect ourselves against kcompactd so that we are able to process
+	 * new connections while it is active and migrating pages.
+	 */
+	memlock_onfault_setup();
+#endif
+}
+
+void
+platform_post_listen(void)
+{
+#ifdef SYSTEMD_NOTIFY
+	ssh_systemd_notify_ready();
+#endif
+}
+
+void
+platform_pre_fork(void)
+{
+#ifdef USE_SOLARIS_PROCESS_CONTRACTS
+	solaris_contract_pre_fork();
+#endif
+}
+
+void
+platform_pre_restart(void)
+{
+#ifdef SYSTEMD_NOTIFY
+	ssh_systemd_notify_reload();
+#endif
+#ifdef LINUX_OOM_ADJUST
+	oom_adjust_restore();
+#endif
+}
+
+void
+platform_post_fork_parent(pid_t child_pid)
+{
+#ifdef USE_SOLARIS_PROCESS_CONTRACTS
+	solaris_contract_post_fork_parent(child_pid);
+#endif
+}
+
+void
+platform_post_fork_child(void)
+{
+#ifdef USE_SOLARIS_PROCESS_CONTRACTS
+	solaris_contract_post_fork_child();
+#endif
+#ifdef LINUX_OOM_ADJUST
+	oom_adjust_restore();
+#endif
+}
+
+void platform_pre_session_start(void)
+{
+#ifdef LINUX_MEMLOCK_ONFAULT
+	/*
+	 * Memlock flags are dropped on fork, lock the memory again so that the
+	 * child connection is also protected against kcompactd.
+	 */
+	memlock_onfault_setup();
+#endif
+}