X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/9c19b270ead379003ece51fb49b83e7ea8b2d25e..d9acfc1ce6:/src/OS/os.h-FreeBSD?ds=sidebyside diff --git a/src/OS/os.h-FreeBSD b/src/OS/os.h-FreeBSD index ba4889fec..4f1c616f0 100644 --- a/src/OS/os.h-FreeBSD +++ b/src/OS/os.h-FreeBSD @@ -1,4 +1,10 @@ /* Exim: OS-specific C header file for FreeBSD */ +/* Copyright (c) University of Cambridge 1995 - 2018 */ +/* See the file NOTICE for conditions of use and distribution. */ + + +#include +#include #define HAVE_BSD_GETLOADAVG #define HAVE_SETCLASSRESOURCES @@ -8,9 +14,63 @@ #define HAVE_SRANDOMDEV #define HAVE_ARC4RANDOM +/* Applications should not call arc4random_stir() explicitly after + * FreeBSD r227520 (approximately 1000002). + * Set NOT_HAVE_ARC4RANDOM_STIR if the version released is past + * that point. */ +#if __FreeBSD_version >= 1000002 +# define NOT_HAVE_ARC4RANDOM_STIR +#endif + typedef struct flock flock_t; -/* default is non-const */ -#define ICONV_ARG2_TYPE const char ** +/* iconv arg2 type: libiconv in Ports uses "const char* * inbuf" and was + * traditionally the only approach available. The iconv functionality + * in libc is "char ** restrict src". + * + * + * says that libc has iconv since 2013, in 10-CURRENT. FreeBSD man-pages + * shows it included in 10.0-RELEASE. Writing this in 2017, 10.3 is the + * oldest supported release, so we should assume non-libiconv by default. + * (Actually, people still using old releases past EOL; we shouldn't support + * them but I don't want to deal with howls of complaints because we dare + * to not support the unsupported, so guard this on FreeBSD 10+) + * + * Thus we no longer override iconv. + * + * However, if libiconv is installed, and anything adds /usr/local/include + * to include-path (likely) then we'll get that. So define a variable + * which makes the libiconv try to not interfere with OS iconv. + */ +#if __FreeBSD__ >= 10 +# define LIBICONV_PLUG +#endif +/* for more specific version constraints, look at __FreeBSD_version + * from */ + +/* When using DKIM, setting OS_SENDFILE can increase +performance on outgoing mail a bit. */ + +#define OS_SENDFILE +extern ssize_t os_sendfile(int, int, off_t *, size_t); + + +/*******************/ + +/* TCP_FASTOPEN support. There does not seems to be a +MSG_FASTOPEN defined yet... */ +#define EXIM_TFO_PROBE + +#include /* for TCP_FASTOPEN */ +#include /* for MSG_FASTOPEN */ +#if defined(TCP_FASTOPEN) && !defined(MSG_FASTOPEN) +# define MSG_FASTOPEN 0x20000000 +#endif + +/* for TCP state-variable values, for TFO logging */ +#include +#define TCP_SYN_RECV TCPS_SYN_RECEIVED + +/*******************/ /* End */