1 2 /*--------------------------------------------------------------------*/ 3 /*--- File/socket-related libc stuff. pub_tool_libcfile.h ---*/ 4 /*--------------------------------------------------------------------*/ 5 6 /* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2012 Julian Seward 11 jseward (at) acm.org 12 13 This program is free software; you can redistribute it and/or 14 modify it under the terms of the GNU General Public License as 15 published by the Free Software Foundation; either version 2 of the 16 License, or (at your option) any later version. 17 18 This program is distributed in the hope that it will be useful, but 19 WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 General Public License for more details. 22 23 You should have received a copy of the GNU General Public License 24 along with this program; if not, write to the Free Software 25 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 26 02111-1307, USA. 27 28 The GNU General Public License is contained in the file COPYING. 29 */ 30 31 #ifndef __PUB_TOOL_LIBCFILE_H 32 #define __PUB_TOOL_LIBCFILE_H 33 34 /* --------------------------------------------------------------------- 35 File-related functions. 36 ------------------------------------------------------------------ */ 37 38 /* To use this file you must first include pub_tool_vki.h. */ 39 40 /* Note that VG_(stat) and VG_(fstat) write to a 'struct vg_stat*' and 41 not a 'struct vki_stat*' or a 'struct vki_stat64*'. 'struct 42 vg_stat*' is not the same as either of the vki_ versions. No 43 specific vki_stat{,64} kernel structure will work and is 44 consistently available on different architectures on Linux, so we 45 have to use this 'struct vg_stat' impedance-matching type 46 instead. 47 48 Also note that the fieldnames aren't prefixed with "st_". This is because 49 st_atime et al are macros in sys/stat.h on Darwin, and using those names 50 screws things up. 51 */ 52 struct vg_stat { 53 ULong dev; 54 ULong ino; 55 ULong nlink; 56 UInt mode; 57 UInt uid; 58 UInt gid; 59 ULong rdev; 60 Long size; 61 ULong blksize; 62 ULong blocks; 63 ULong atime; 64 ULong atime_nsec; 65 ULong mtime; 66 ULong mtime_nsec; 67 ULong ctime; 68 ULong ctime_nsec; 69 }; 70 71 extern SysRes VG_(mknod) ( const Char* pathname, Int mode, UWord dev ); 72 extern SysRes VG_(open) ( const Char* pathname, Int flags, Int mode ); 73 /* fd_open words like the open(2) system call: 74 returns fd if success, -1 otherwise */ 75 extern Int VG_(fd_open) (const Char* pathname, Int flags, Int mode); 76 extern void VG_(close) ( Int fd ); 77 extern Int VG_(read) ( Int fd, void* buf, Int count); 78 extern Int VG_(write) ( Int fd, const void* buf, Int count); 79 extern Int VG_(pipe) ( Int fd[2] ); 80 extern Off64T VG_(lseek) ( Int fd, Off64T offset, Int whence ); 81 82 extern SysRes VG_(stat) ( const Char* file_name, struct vg_stat* buf ); 83 extern Int VG_(fstat) ( Int fd, struct vg_stat* buf ); 84 extern SysRes VG_(dup) ( Int oldfd ); 85 extern SysRes VG_(dup2) ( Int oldfd, Int newfd ); 86 extern Int VG_(rename) ( const Char* old_name, const Char* new_name ); 87 extern Int VG_(unlink) ( const Char* file_name ); 88 89 extern Int VG_(poll) (struct vki_pollfd *fds, Int nfds, Int timeout); 90 91 extern Int VG_(readlink)( const Char* path, Char* buf, UInt bufsize ); 92 extern Int VG_(getdents)( Int fd, struct vki_dirent *dirp, UInt count ); 93 94 extern Char* VG_(basename)( const Char* path ); 95 extern Char* VG_(dirname) ( const Char* path ); 96 97 /* Return the name of a directory for temporary files. */ 98 extern const HChar* VG_(tmpdir)(void); 99 100 /* Copy the working directory at startup into buf[0 .. size-1], or return 101 False if buf is too small. */ 102 extern Bool VG_(get_startup_wd) ( Char* buf, SizeT size ); 103 104 #endif // __PUB_TOOL_LIBCFILE_H 105 106 /*--------------------------------------------------------------------*/ 107 /*--- end ---*/ 108 /*--------------------------------------------------------------------*/ 109
