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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
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4 -- --
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5 -- S Y S T E M . L I N U X --
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6 -- --
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7 -- S p e c --
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8 -- --
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145
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9 -- Copyright (C) 2009-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNARL is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- --
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28 ------------------------------------------------------------------------------
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29
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30 -- This is the SPARC version of this package
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31
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32 -- This package encapsulates cpu specific differences between implementations
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33 -- of GNU/Linux, in order to share s-osinte-linux.ads.
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34
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35 -- PLEASE DO NOT add any with-clauses to this package or remove the pragma
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36 -- Preelaborate. This package is designed to be a bottom-level (leaf) package
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37
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38 with Interfaces.C;
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39
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40 package System.Linux is
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41 pragma Preelaborate;
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42
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43 ----------
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44 -- Time --
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45 ----------
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46
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47 subtype long is Interfaces.C.long;
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48 subtype suseconds_t is Interfaces.C.long;
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49 subtype time_t is Interfaces.C.long;
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50 subtype clockid_t is Interfaces.C.int;
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51
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52 type timespec is record
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53 tv_sec : time_t;
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54 tv_nsec : long;
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55 end record;
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56 pragma Convention (C, timespec);
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57
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58 type timeval is record
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59 tv_sec : time_t;
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60 tv_usec : suseconds_t;
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61 end record;
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62 pragma Convention (C, timeval);
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63
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64 -----------
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65 -- Errno --
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66 -----------
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67
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68 EAGAIN : constant := 11;
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69 EINTR : constant := 4;
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70 EINVAL : constant := 22;
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71 ENOMEM : constant := 12;
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72 EPERM : constant := 1;
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73 ETIMEDOUT : constant := 60;
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74
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75 -------------
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76 -- Signals --
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77 -------------
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78
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79 SIGHUP : constant := 1; -- hangup
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80 SIGINT : constant := 2; -- interrupt (rubout)
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81 SIGQUIT : constant := 3; -- quit (ASCD FS)
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82 SIGILL : constant := 4; -- illegal instruction (not reset)
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83 SIGTRAP : constant := 5; -- trace trap (not reset)
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84 SIGABRT : constant := 6; -- used by abort, replace SIGIOT in the future
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85 SIGIOT : constant := 6; -- IOT instruction
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86 SIGEMT : constant := 7; -- EMT
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87 SIGFPE : constant := 8; -- floating point exception
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88 SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
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89 SIGBUS : constant := 10; -- bus error
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90 SIGSEGV : constant := 11; -- segmentation violation
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91 SIGSYS : constant := 12; -- bad system call
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92 SIGPIPE : constant := 13; -- write on a pipe with no one to read it
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93 SIGALRM : constant := 14; -- alarm clock
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94 SIGTERM : constant := 15; -- software termination signal from kill
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95 SIGURG : constant := 16; -- urgent condition on IO channel
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96 SIGSTOP : constant := 17; -- stop (cannot be caught or ignored)
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97 SIGTSTP : constant := 18; -- user stop requested from tty
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98 SIGCONT : constant := 19; -- stopped process has been continued
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99 SIGCHLD : constant := 20; -- child status change
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100 SIGCLD : constant := 20; -- alias for SIGCHLD
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101 SIGTTIN : constant := 21; -- background tty read attempted
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102 SIGTTOU : constant := 22; -- background tty write attempted
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103 SIGIO : constant := 23; -- I/O now possible (4.2 BSD)
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104 SIGPOLL : constant := 23; -- pollable event occurred
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105 SIGXCPU : constant := 24; -- CPU time limit exceeded
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106 SIGXFSZ : constant := 25; -- filesize limit exceeded
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107 SIGVTALRM : constant := 26; -- virtual timer expired
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108 SIGPROF : constant := 27; -- profiling timer expired
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109 SIGWINCH : constant := 28; -- window size change
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110 SIGLOST : constant := 29; -- File lock lost
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111 SIGPWR : constant := 29; -- power-fail restart
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112 SIGUSR1 : constant := 30; -- user defined signal 1
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113 SIGUSR2 : constant := 31; -- user defined signal 2
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114
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115 SIG32 : constant := 32; -- glibc internal signal
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116 SIG33 : constant := 33; -- glibc internal signal
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117 SIG34 : constant := 34; -- glibc internal signal
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118
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119 SIGUNUSED : constant := 0;
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120 SIGSTKFLT : constant := 0;
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121 -- These don't exist for Linux/SPARC. The constants are present
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122 -- so that we can continue to use a-intnam-linux.ads.
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123
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124 -- struct_sigaction offsets
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125
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126 sa_handler_pos : constant := 0;
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127 sa_mask_pos : constant := Standard'Address_Size / 8;
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128 sa_flags_pos : constant := 128 + sa_mask_pos;
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129
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130 SA_SIGINFO : constant := 16#200#;
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131 SA_ONSTACK : constant := 16#001#;
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132
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133 end System.Linux;
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