forked from KolibriOS/kolibrios
kernel: pipe io bugfixes
git-svn-id: svn://kolibrios.org@6928 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -40,8 +40,8 @@ sys_pipe2:
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mov ebp, -EINVAL
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jnz .fail
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push ecx
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push edx
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push ecx
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sub esp, (5-2)*4
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mov ecx, sizeof.FILED
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@ -102,6 +102,9 @@ sys_pipe2:
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mov [edx+FILED.destroy], 0
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mov [edx+FILED.file], ebp
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mov eax, [eax+FILED.handle]
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mov edx, [edx+FILED.handle]
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mov [ecx], eax
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mov [ecx+4], edx
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add esp, 5*4
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@ -220,14 +223,15 @@ pipe_write:
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jb .write
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mov ecx, esi
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.write:
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mov esi, [ebp+PIPE.buffer]
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add esi, [ebp+PIPE.write_end]
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mov esi, edi
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mov edi, [ebp+PIPE.buffer]
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add edi, [ebp+PIPE.write_end]
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mov [esp+SYSCALL_STACK._eax], ecx
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add [ebp+PIPE.count], ecx
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cld
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rep movsb
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and esi, 0xFFF
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mov [ebp+PIPE.write_end], esi
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and edi, 0xFFF
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mov [ebp+PIPE.write_end], edi
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lea ecx, [ebp+PIPE.pipe_lock]
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call mutex_unlock
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