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libposix: add support for O_NONBLOCK

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We keep a list of non blocking fds and use awake to
make them not block on read, write, pread and pwrite.
This commit is contained in:
Giacomo Tesio
2018-01-10 01:28:42 +01:00
parent 96f5c08548
commit ea21d3cd2d
6 changed files with 232 additions and 9 deletions
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5
sys/include/posix.h
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@ -1,7 +1,7 @@
/*
* This file is part of Jehanne.
*
* Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
* Copyright (C) 2017-2018 Giacomo Tesio <giacomo@tesio.it>
*
* This is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
@ -375,6 +375,9 @@ extern int libposix_translate_error(PosixErrorTranslator translation, uintptr_t
/* define the value of AT_FDCWD according to the library headers */
extern int libposix_define_at_fdcwd(int AT_FDCWD);
/* define the value of O_NONBLOCK according to the library headers */
extern int libposix_define_ononblock(int O_NONBLOCK);
/* define the value of a specific PosixError according to the library headers */
extern int libposix_define_errno(PosixError e, int errno);