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annotate packages/language/c/libc/stdio/current/include/stdiofiles.inl @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents d2c90368aeef
children
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1 #ifndef CYGONCE_LIBC_STDIO_STDIOFILES_INL
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2 #define CYGONCE_LIBC_STDIO_STDIOFILES_INL
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3 //========================================================================
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4 //
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5 // stdiofiles.inl
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6 //
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7 // ISO C library stdio central file inlines
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8 //
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9 //========================================================================
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10 // ####ECOSGPLCOPYRIGHTBEGIN####
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11 // -------------------------------------------
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12 // This file is part of eCos, the Embedded Configurable Operating System.
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13 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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14 //
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15 // eCos is free software; you can redistribute it and/or modify it under
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16 // the terms of the GNU General Public License as published by the Free
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17 // Software Foundation; either version 2 or (at your option) any later
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18 // version.
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19 //
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20 // eCos is distributed in the hope that it will be useful, but WITHOUT
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21 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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22 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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23 // for more details.
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24 //
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25 // You should have received a copy of the GNU General Public License
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26 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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27 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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28 //
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29 // As a special exception, if other files instantiate templates or use
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30 // macros or inline functions from this file, or you compile this file
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31 // and link it with other works to produce a work based on this file,
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32 // this file does not by itself cause the resulting work to be covered by
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33 // the GNU General Public License. However the source code for this file
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34 // must still be made available in accordance with section (3) of the GNU
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35 // General Public License v2.
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36 //
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37 // This exception does not invalidate any other reasons why a work based
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38 // on this file might be covered by the GNU General Public License.
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39 // -------------------------------------------
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40 // ####ECOSGPLCOPYRIGHTEND####
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41 //========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): jlarmour
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45 // Contributors:
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46 // Date: 2000-04-19
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47 // Purpose:
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48 // Description:
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49 // Usage: Do not include this file directly. Instead use:
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50 // #include <cyg/libc/stdio/stdiofiles.hxx>
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51 //
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52 //####DESCRIPTIONEND####
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53 //
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54 //========================================================================
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55
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56 // CONFIGURATION
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57
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58 #include <pkgconf/libc_stdio.h> // libc stdio configuration
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59
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60 // INCLUDES
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61
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62 #include <cyg/infra/cyg_type.h> // cyg_bool
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63 #include <cyg/infra/cyg_ass.h> // Assert interface
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64 #include <cyg/libc/stdio/stdiofiles.hxx> // header for this file
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65 #include <cyg/libc/stdio/stream.hxx> // Cyg_StdioStream
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66
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67 #ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
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68 # include <cyg/kernel/mutex.hxx> // mutexes
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69 #endif
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70
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71 // INLINE METHODS
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72
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73 inline Cyg_StdioStream *
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74 Cyg_libc_stdio_files::get_file_stream( fd_t fd )
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75 {
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76 CYG_PRECONDITION( (fd < FOPEN_MAX),
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77 "Attempt to open larger file descriptor than FOPEN_MAX!" );
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78
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79 return files[fd];
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80
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81 } // Cyg_libc_stdio_files::get_file_stream()
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82
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83 inline void
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84 Cyg_libc_stdio_files::set_file_stream( fd_t fd, Cyg_StdioStream *stream )
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85 {
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86 CYG_PRECONDITION( (fd < FOPEN_MAX),
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87 "Attempt to set larger file descriptor than FOPEN_MAX!" );
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88
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89 files[fd] = stream;
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90
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91 } // Cyg_libc_stdio_files::set_file_stream()
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92
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93
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94 inline cyg_bool
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95 Cyg_libc_stdio_files::lock(void)
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96 {
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97 # ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
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98 return files_lock.lock();
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99 # else
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100 return true;
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101 # endif
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102 } // Cyg_libc_stdio_files::lock()
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103
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104 inline cyg_bool
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105 Cyg_libc_stdio_files::trylock(void)
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106 {
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107 # ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
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108 return files_lock.trylock();
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109 # else
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110 return true;
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111 # endif
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112 } // Cyg_libc_stdio_files::trylock()
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113
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114 inline void
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115 Cyg_libc_stdio_files::unlock(void)
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116 {
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117 # ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS
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118 files_lock.unlock();
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119 # endif
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120 } // Cyg_libc_stdio_files::unlock()
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121
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122
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123 #endif // CYGONCE_LIBC_STDIO_STDIOFILES_INL multiple inclusion protection
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124
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125 // EOF stdiofiles.inl