floor, ceil, trunc, truncf, truncl: Defeat GCC optimizations.
[gnulib.git] / lib / termios.in.h
blobe7e970df8b35415ecb31d6941ac51b92d51f6e74
1 /* Substitute for and wrapper around <termios.h>.
2 Copyright (C) 2010-2018 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, see <https://www.gnu.org/licenses/>. */
17 #ifndef _@GUARD_PREFIX@_TERMIOS_H
19 #if __GNUC__ >= 3
20 @PRAGMA_SYSTEM_HEADER@
21 #endif
22 @PRAGMA_COLUMNS@
24 /* On HP-UX 11.00, some of the function declarations in <sys/termio.h>,
25 included by <termios.h>, are not protected by extern "C". Enforce
26 "C" linkage for these functions nevertheless. */
27 #if defined __hpux && defined __cplusplus
28 # include <sys/types.h>
29 # include <sys/ioctl.h>
30 extern "C" {
31 # include <sys/termio.h>
33 #endif
35 /* The include_next requires a split double-inclusion guard. */
36 #if @HAVE_TERMIOS_H@
37 # @INCLUDE_NEXT@ @NEXT_TERMIOS_H@
38 #endif
40 #ifndef _@GUARD_PREFIX@_TERMIOS_H
41 #define _@GUARD_PREFIX@_TERMIOS_H
43 /* Get pid_t. */
44 #include <sys/types.h>
46 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
48 /* The definition of _GL_WARN_ON_USE is copied here. */
51 /* Declare overridden functions. */
53 #if @GNULIB_TCGETSID@
54 /* Return the session ID of the controlling terminal of the current process.
55 The argument is a descriptor if this controlling terminal.
56 Return -1, with errno set, upon failure. errno = ENOSYS means that the
57 function is unsupported. */
58 # if !@HAVE_DECL_TCGETSID@
59 _GL_FUNCDECL_SYS (tcgetsid, pid_t, (int fd));
60 # endif
61 _GL_CXXALIAS_SYS (tcgetsid, pid_t, (int fd));
62 _GL_CXXALIASWARN (tcgetsid);
63 #elif defined GNULIB_POSIXCHECK
64 # undef tcgetsid
65 # if HAVE_RAW_DECL_TCGETSID
66 _GL_WARN_ON_USE (tcgetsid, "tcgetsid is not portable - "
67 "use gnulib module tcgetsid for portability");
68 # endif
69 #endif
72 #endif /* _@GUARD_PREFIX@_TERMIOS_H */
73 #endif /* _@GUARD_PREFIX@_TERMIOS_H */