kolibrios/kernel/trunk/posix/posix.inc
Doczom 182f6ade61 small update copyright year in kernel
git-svn-id: svn://kolibrios.org@9715 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-02-12 17:27:41 +00:00

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License. ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision$
ENOENT = 2
EBADF = 9
EFAULT = 14
;EINVAL = 22 11 defined in stack.inc
ENFILE = 23
EMFILE = 24
EPIPE = 32
FILEOP_CLOSE = 0
FILEOP_READ = 1
FILEOP_WRITE = 2
include "futex.inc"
iglobal
align 4
sys_futex_call:
dd sys_futex.destroy ;1
dd sys_futex.wait ;2
dd sys_futex.wake ;3
dd sys_futex.requeue ;4
dd sys_futex.cmp_requeue ;5
dd sys_futex.wait_bitset ;6
dd sys_futex.wake_bitset ;7
endg
include "pipe.inc"
iglobal
align 4
sys_posix_call:
dd sys_futex.init ;0 futex_init
dd sys_futex ;1 futex_destroy
dd sys_futex ;2 futex_wait
dd sys_futex ;3 futex_wake
dd sys_futex ;4 reserved
dd sys_futex ;5 reserved
dd sys_futex ;6 reserved
dd sys_futex ;7 reserved
dd sys_posix.fail ;8 sys_open
dd sys_posix.fail ;9 sys_close
dd sys_read ;10 read()
dd sys_write ;11 write()
dd sys_posix.fail ;12 sys_dup3
dd sys_pipe2 ;13
.end:
endg
align 4
sys_posix:
cmp ebx, (sys_posix_call.end - sys_posix_call)/4
jae .fail
jmp dword [sys_posix_call + ebx*4]
.fail:
mov [esp + SYSCALL_STACK._eax], -EBADF
ret
;ssize_t read(int fd, void *buf, size_t count);
; ecx fd
; edx buf
; esi count
align 4
sys_read:
cmp ecx, STDERR_FILENO
jbe .fail
cmp ecx, (PROC.pdt_0 - PROC.htab)/4
jae .fail
mov edi, [current_process]
mov ebp, [edi + PROC.htab + ecx*4]
cmp [ebp + FILED.magic], 'PIPE'
jne .fail
cmp [ebp + FILED.handle], ecx
jne .fail
test [ebp + FILED.mode], F_READ
jz .fail
mov ebp, [ebp + FILED.file]
mov eax, [ebp]
jmp dword [eax + FILEOP_READ*4]
.fail:
mov [esp + SYSCALL_STACK._eax], -EBADF
ret
;ssize_t write(int fd, const void *buf, size_t count);
; ecx fd
; edx buf
; esi count
align 4
sys_write:
cmp ecx, STDERR_FILENO
jbe .fail
cmp ecx, (PROC.pdt_0 - PROC.htab)/4
jae .fail
mov edi, [current_process]
mov ebp, [edi + PROC.htab+ecx*4]
cmp [ebp + FILED.magic], 'PIPE'
jne .fail
cmp [ebp + FILED.handle], ecx
jne .fail
test [ebp + FILED.mode], F_WRITE
jz .fail
mov ebp, [ebp + FILED.file]
mov eax, [ebp]
jmp dword [eax + FILEOP_WRITE*4]
.fail:
mov [esp + SYSCALL_STACK._eax], -EBADF
ret