| /* POSIX-specific extra functions. |
| Copyright (C) 2016-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* These wrapper functions use POSIX types and therefore cannot be |
| declared in <support/support.h>. */ |
| |
| #ifndef SUPPORT_XUNISTD_H |
| #define SUPPORT_XUNISTD_H |
| |
| #include <sys/cdefs.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| __BEGIN_DECLS |
| |
| struct stat64; |
| |
| pid_t xfork (void); |
| pid_t xwaitpid (pid_t, int *status, int flags); |
| void xpipe (int[2]); |
| void xdup2 (int, int); |
| int xopen (const char *path, int flags, mode_t); |
| void xstat (const char *path, struct stat64 *); |
| void xfstat (int fd, struct stat64 *); |
| void xmkdir (const char *path, mode_t); |
| void xchroot (const char *path); |
| void xunlink (const char *path); |
| long xsysconf (int name); |
| long long xlseek (int fd, long long offset, int whence); |
| void xftruncate (int fd, long long length); |
| |
| /* Read the link at PATH. The caller should free the returned string |
| with free. */ |
| char *xreadlink (const char *path); |
| |
| /* Close the file descriptor. Ignore EINTR errors, but terminate the |
| process on other errors. */ |
| void xclose (int); |
| |
| /* Write the buffer. Retry on short writes. */ |
| void xwrite (int, const void *, size_t); |
| |
| /* Invoke mmap with a zero file offset. */ |
| void *xmmap (void *addr, size_t length, int prot, int flags, int fd); |
| void xmprotect (void *addr, size_t length, int prot); |
| void xmunmap (void *addr, size_t length); |
| |
| __END_DECLS |
| |
| #endif /* SUPPORT_XUNISTD_H */ |