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1 #ifndef CYGONCE_LIBC_STDIOFILES_INL |
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2 #define CYGONCE_LIBC_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 //####COPYRIGHTBEGIN#### |
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11 // |
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12 // ------------------------------------------- |
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13 // The contents of this file are subject to the Cygnus eCos Public License |
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14 // Version 1.0 (the "License"); you may not use this file except in |
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15 // compliance with the License. You may obtain a copy of the License at |
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16 // http://sourceware.cygnus.com/ecos |
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17 // |
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18 // Software distributed under the License is distributed on an "AS IS" |
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19 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the |
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20 // License for the specific language governing rights and limitations under |
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21 // the License. |
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22 // |
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23 // The Original Code is eCos - Embedded Cygnus Operating System, released |
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24 // September 30, 1998. |
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25 // |
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26 // The Initial Developer of the Original Code is Cygnus. Portions created |
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27 // by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved. |
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28 // ------------------------------------------- |
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29 // |
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30 //####COPYRIGHTEND#### |
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31 //======================================================================== |
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32 //#####DESCRIPTIONBEGIN#### |
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33 // |
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34 // Author(s): jlarmour |
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35 // Contributors: jlarmour |
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36 // Date: 1999-01-21 |
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37 // Purpose: |
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38 // Description: |
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39 // Usage: Do not include this file directly. Instead use: |
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40 // #include "clibincl/stdiosupp.hxx" |
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41 // |
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42 //####DESCRIPTIONEND#### |
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43 // |
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44 //======================================================================== |
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45 |
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46 // CONFIGURATION |
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47 |
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48 #include <pkgconf/libc.h> // C library configuration |
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49 |
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50 #ifdef CYGPKG_LIBC_STDIO |
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51 |
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52 // INCLUDES |
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53 |
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54 #include <cyg/infra/cyg_type.h> // cyg_bool |
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55 #include <cyg/infra/cyg_ass.h> // Assert interface |
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56 #include "clibincl/stdiofiles.hxx" // header for this file |
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57 #include "clibincl/stream.hxx" // Cyg_StdioStream |
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58 |
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59 #ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS |
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60 # include <cyg/kernel/mutex.hxx> // mutexes |
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61 #endif |
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62 |
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63 // INLINE METHODS |
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64 |
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65 inline Cyg_StdioStream * |
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66 Cyg_libc_stdio_files::get_file_stream( fd_t fd ) |
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67 { |
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68 CYG_PRECONDITION( (fd < FOPEN_MAX), |
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69 "Attempt to open larger file descriptor than FOPEN_MAX!" ); |
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70 |
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71 return files[fd]; |
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72 |
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73 } // Cyg_libc_stdio_files::get_file_stream() |
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74 |
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75 inline void |
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76 Cyg_libc_stdio_files::set_file_stream( fd_t fd, Cyg_StdioStream *stream ) |
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77 { |
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78 CYG_PRECONDITION( (fd < FOPEN_MAX), |
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79 "Attempt to set larger file descriptor than FOPEN_MAX!" ); |
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80 |
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81 files[fd] = stream; |
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82 |
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83 } // Cyg_libc_stdio_files::set_file_stream() |
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84 |
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85 |
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86 inline cyg_bool |
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87 Cyg_libc_stdio_files::lock(void) |
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88 { |
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89 # ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS |
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90 return files_lock.lock(); |
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91 # else |
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92 return true; |
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93 # endif |
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94 } // Cyg_libc_stdio_files::lock() |
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95 |
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96 inline cyg_bool |
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97 Cyg_libc_stdio_files::trylock(void) |
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98 { |
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99 # ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS |
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100 return files_lock.trylock(); |
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101 # else |
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102 return true; |
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103 # endif |
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104 } // Cyg_libc_stdio_files::trylock() |
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105 |
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106 inline void |
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107 Cyg_libc_stdio_files::unlock(void) |
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108 { |
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109 # ifdef CYGSEM_LIBC_STDIO_THREAD_SAFE_STREAMS |
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110 files_lock.unlock(); |
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111 # endif |
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112 } // Cyg_libc_stdio_files::unlock() |
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113 |
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114 |
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115 #endif // ifdef CYGPKG_LIBC_STDIO |
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116 |
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117 #endif // CYGONCE_LIBC_STDIOFILES_INL multiple inclusion protection |
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118 |
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119 // EOF stdiofiles.inl |
