libucontext/arch/ppc/retfromsyscall.c

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/*
* Copyright (c) 2018 Ariadne Conill <ariadne@dereferenced.org>
* Copyright (c) 2019 Bobby Bingham <koorogi@koorogi.info>
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*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* This software is provided 'as is' and without any warranty, express or
* implied. In no event shall the authors be liable for any damages arising
* from the use of this software.
*/
#include <errno.h>
__attribute__ ((visibility ("hidden")))
int __retfromsyscall(long retval)
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{
if (retval < 0) {
errno = -retval;
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return -1;
}
return 0;
}