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Rev | Author | Line No. | Line |
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6926 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2017. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License. ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 6917 $ |
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9 | |||
10 | ENOENT equ 2 |
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11 | EBADF equ 9 |
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12 | EFAULT equ 14 |
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13 | ;EINVAL equ 22 11 defined in stack.inc |
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14 | ENFILE equ 23 |
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15 | EMFILE equ 24 |
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6927 | serge | 16 | EPIPE equ 32 |
6926 | serge | 17 | |
18 | FILEOP_CLOSE equ 0 |
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19 | FILEOP_READ equ 1 |
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20 | FILEOP_WRITE equ 2 |
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21 | |||
22 | |||
23 | include "futex.inc" |
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24 | |||
25 | iglobal |
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26 | align 4 |
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27 | sys_futex_call: |
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28 | dd sys_futex.destroy ;1 |
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29 | dd sys_futex.wait ;2 |
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30 | dd sys_futex.wake ;3 |
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31 | dd sys_futex.requeue ;4 |
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32 | dd sys_futex.cmp_requeue ;5 |
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33 | dd sys_futex.wait_bitset ;6 |
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34 | dd sys_futex.wake_bitset ;7 |
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35 | endg |
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36 | |||
37 | include "pipe.inc" |
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38 | |||
39 | iglobal |
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40 | align 4 |
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41 | sys_posix_call: |
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42 | dd sys_futex.init ;0 futex_init |
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43 | dd sys_futex ;1 futex_destroy |
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44 | dd sys_futex ;2 futex_wait |
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45 | dd sys_futex ;3 futex_wake |
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46 | dd sys_futex ;4 reserved |
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47 | dd sys_futex ;5 reserved |
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48 | dd sys_futex ;6 reserved |
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49 | dd sys_futex ;7 reserved |
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50 | dd sys_posix.fail ;8 sys_open |
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51 | dd sys_posix.fail ;9 sys_close |
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6927 | serge | 52 | dd sys_read ;10 read() |
53 | dd sys_write ;11 write() |
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6926 | serge | 54 | dd sys_posix.fail ;12 sys_dup3 |
55 | dd sys_pipe2 ;13 |
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56 | .end: |
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57 | endg |
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58 | |||
59 | align 4 |
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60 | sys_posix: |
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61 | cmp ebx, (sys_posix_call.end-sys_posix_call)/4 |
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62 | jae .fail |
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63 | |||
64 | jmp dword [sys_posix_call+ebx*4] |
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65 | |||
66 | .fail: |
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67 | mov [esp+SYSCALL_STACK._eax], -EBADF |
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68 | ret |
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69 | |||
70 | |||
71 | ;ssize_t read(int fd, void *buf, size_t count); |
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72 | ; ecx fd |
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73 | ; edx buf |
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74 | ; esi count |
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75 | |||
76 | align 4 |
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77 | sys_read: |
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78 | cmp ecx, STDERR_FILENO |
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79 | jbe .fail |
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80 | cmp ecx, (PROC.pdt_0 - PROC.htab)/4 |
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81 | jae .fail |
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82 | |||
83 | mov edi, [current_process] |
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84 | mov ebp, [edi+PROC.htab+ecx*4] |
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85 | |||
86 | cmp [ebp+FILED.magic], 'PIPE' |
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87 | jne .fail |
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88 | cmp [ebp+FILED.handle], ecx |
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89 | jne .fail |
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90 | |||
6929 | serge | 91 | test [ebp+FILED.mode], F_READ |
92 | jz .fail |
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93 | |||
6926 | serge | 94 | mov ebp, [ebp+FILED.file] |
95 | mov eax, [ebp] |
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96 | jmp dword [eax+FILEOP_READ*4] |
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97 | .fail: |
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98 | mov [esp+SYSCALL_STACK._eax], -EBADF |
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99 | ret |
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100 | |||
6927 | serge | 101 | ;ssize_t write(int fd, const void *buf, size_t count); |
102 | ; ecx fd |
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103 | ; edx buf |
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104 | ; esi count |
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105 | |||
106 | align 4 |
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107 | sys_write: |
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108 | cmp ecx, STDERR_FILENO |
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109 | jbe .fail |
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110 | cmp ecx, (PROC.pdt_0 - PROC.htab)/4 |
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111 | jae .fail |
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112 | |||
113 | mov edi, [current_process] |
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114 | mov ebp, [edi+PROC.htab+ecx*4] |
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115 | |||
116 | cmp [ebp+FILED.magic], 'PIPE' |
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117 | jne .fail |
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118 | cmp [ebp+FILED.handle], ecx |
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119 | jne .fail |
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6929 | serge | 120 | test [ebp+FILED.mode], F_WRITE |
121 | jz .fail |
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6927 | serge | 122 | |
123 | mov ebp, [ebp+FILED.file] |
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124 | mov eax, [ebp] |
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125 | jmp dword [eax+FILEOP_WRITE*4] |
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126 | .fail: |
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127 | mov [esp+SYSCALL_STACK._eax], -EBADF |
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128 | ret |
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129 |