Imported Upstream version 4.3.2.467

Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d

support/sys-socket.c

@@ -0,0 +1,140 @@
+/*
+ * <sys/socket.h> wrapper functions.
+ *
+ * Authors:
+ *   Steffen Kiess (s-kiess@web.de)
+ *
+ * Copyright (C) 2015 Steffen Kiess
+ */
+
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <netinet/in.h>
+#include <sys/un.h>
+
+#include <stddef.h>
+
+#include "map.h"
+#include "mph.h"
+
+G_BEGIN_DECLS
+
+int
+Mono_Posix_Syscall_socketpair (int domain, int type, int protocol, int* socket1, int* socket2)
+{
+	int filedes[2] = {-1, -1};
+	int r;
+
+	r = socketpair (domain, type, protocol, filedes);
+
+	*socket1 = filedes[0];
+	*socket2 = filedes[1];
+	return r;
+}
+
+int
+Mono_Posix_Syscall_getsockopt (int socket, int level, int option_name, void* option_value, gint64* option_len)
+{
+	socklen_t len;
+	int r;
+
+	mph_return_if_socklen_t_overflow (*option_len);
+
+	len = *option_len;
+
+	r = getsockopt (socket, level, option_name, option_value, &len);
+
+	*option_len = len;
+
+	return r;
+}
+
+int
+Mono_Posix_Syscall_getsockopt_timeval (int socket, int level, int option_name, struct Mono_Posix_Timeval* option_value)
+{
+	struct timeval tv;
+	int r;
+	socklen_t size;
+
+	size = sizeof (struct timeval);
+	r = getsockopt (socket, level, option_name, &tv, &size);
+
+	if (r != -1 && size == sizeof (struct timeval)) {
+		if (Mono_Posix_ToTimeval (&tv, option_value) != 0)
+			return -1;
+	} else {
+		memset (option_value, 0, sizeof (struct Mono_Posix_Timeval));
+		if (r != -1)
+			errno = EINVAL;
+	}
+
+	return r;
+}
+
+int
+Mono_Posix_Syscall_getsockopt_linger (int socket, int level, int option_name, struct Mono_Posix_Linger* option_value)
+{
+	struct linger ling;
+	int r;
+	socklen_t size;
+
+	size = sizeof (struct linger);
+	r = getsockopt (socket, level, option_name, &ling, &size);
+
+	if (r != -1 && size == sizeof (struct linger)) {
+		if (Mono_Posix_ToLinger (&ling, option_value) != 0)
+			return -1;
+	} else {
+		memset (option_value, 0, sizeof (struct Mono_Posix_Linger));
+		if (r != -1)
+			errno = EINVAL;
+	}
+
+	return r;
+}
+
+int
+Mono_Posix_Syscall_setsockopt (int socket, int level, int option_name, void* option_value, gint64 option_len)
+{
+	mph_return_if_socklen_t_overflow (option_len);
+
+	return setsockopt (socket, level, option_name, option_value, option_len);
+}
+
+int
+Mono_Posix_Syscall_setsockopt_timeval (int socket, int level, int option_name, struct Mono_Posix_Timeval* option_value)
+{
+	struct timeval tv;
+
+	if (Mono_Posix_FromTimeval (option_value, &tv) != 0)
+		return -1;
+
+	return setsockopt (socket, level, option_name, &tv, sizeof (struct timeval));
+}
+
+int
+Mono_Posix_Syscall_setsockopt_linger (int socket, int level, int option_name, struct Mono_Posix_Linger* option_value)
+{
+	struct linger ling;
+
+	if (Mono_Posix_FromLinger (option_value, &ling) != 0)
+		return -1;
+
+	return setsockopt (socket, level, option_name, &ling, sizeof (struct linger));
+}
+
+gint64
+Mono_Posix_Syscall_recv (int socket, void* message, guint64 length, int flags)
+{
+	mph_return_if_size_t_overflow (length);
+
+	return recv (socket, message, length, flags);
+}
+
+gint64
+Mono_Posix_Syscall_send (int socket, void* message, guint64 length, int flags)
+{
+	mph_return_if_size_t_overflow (length);
+
+	return send (socket, message, length, flags);
+}