blob: 4120455baaf93fe2d7cc70c9d6fa4d92cbd172c1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* QEMU internal errno values for implementing user-only POSIX.
*
* Copyright (c) 2003 Fabrice Bellard
* Copyright (c) 2021 Linaro, Ltd.
*/
#ifndef SPECIAL_ERRNO_H
#define SPECIAL_ERRNO_H
/*
* All of these are QEMU internal, not visible to the guest.
* They should be chosen so as to not overlap with any host
* or guest errno.
*/
/*
* This is returned when a system call should be restarted, to tell the
* main loop that it should wind the guest PC backwards so it will
* re-execute the syscall after handling any pending signals.
*/
#define QEMU_ERESTARTSYS 512
/*
* This is returned after a successful sigreturn syscall, to indicate
* that it has correctly set the guest registers and so the main loop
* should not touch them.
*/
#define QEMU_ESIGRETURN 513
#endif /* SPECIAL_ERRNO_H */
|
