-/* $Cambridge: exim/src/OS/os.h-GNU,v 1.1 2004/10/06 15:07:39 ph10 Exp $ */
-
/* Exim: OS-specific C header file for GNU/Hurd */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
+
+#include <features.h>
#define CRYPT_H
+#define GLIBC_IP_OPTIONS
+#define HAVE_BSD_GETLOADAVG
#define HAVE_MMAP
#define HAVE_SYS_VFS_H
#define NO_IP_VAR_H
-#define NO_NET_IF_H
-#define NO_FIND_INTERFACES
-#define SETRLIMIT_NOT_SUPPORTED
-#define GLIBC_IP_OPTIONS
+#define SIG_IGN_WORKS
+#define SIOCGIFCONF_GIVES_ADDR
#define F_FREESP O_TRUNC
typedef struct flock flock_t;
#define os_strsignal strsignal
#define OS_STRSIGNAL
+/* Hurd-specific bits below */
+
+/* default is non-const */
+#define ICONV_ARG2_TYPE const char **
+
+/* setgroups(0, NULL) succeeds, and drops the gid group
+as well as any supplementary groups*/
+#define OS_SETGROUPS_ZERO_DROPS_ALL
+
+#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOURCE
+# define EXIM_HAVE_OPENAT
+#endif
+
/* End */