1 /* POSIX-specific extra functions.
2 Copyright (C) 2016-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 /* These wrapper functions use POSIX types and therefore cannot be
20 declared in <support/support.h>. */
22 #ifndef SUPPORT_XUNISTD_H
23 #define SUPPORT_XUNISTD_H
25 #include <sys/cdefs.h>
26 #include <sys/types.h>
34 pid_t
xwaitpid (pid_t
, int *status
, int flags
);
36 void xdup2 (int, int);
37 int xopen (const char *path
, int flags
, mode_t
);
38 void xstat (const char *path
, struct stat64
*);
39 void xmkdir (const char *path
, mode_t
);
40 void xchroot (const char *path
);
42 /* Close the file descriptor. Ignore EINTR errors, but terminate the
43 process on other errors. */
46 /* Write the buffer. Retry on short writes. */
47 void xwrite (int, const void *, size_t);
49 /* Invoke mmap with a zero file offset. */
50 void *xmmap (void *addr
, size_t length
, int prot
, int flags
, int fd
);
52 void xmunmap (void *addr
, size_t length
);
56 #endif /* SUPPORT_XUNISTD_H */