[mirror_qemu.git] / bsd-user / include / special-errno.h

/* SPDX-License-Identifier: BSD-3-Clause */
/*
 * QEMU internal errno values for implementing user-only POSIX.
 *
 *  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  255

#endif /* SPECIAL_ERRNO_H */
Commit	Line	Data
2ac16d01 RH	1	/* SPDX-License-Identifier: BSD-3-Clause */
	2	/*
	3	* QEMU internal errno values for implementing user-only POSIX.
	4	*
	5	* Copyright (c) 2021 Linaro, Ltd.
	6	*/
	7
	8	#ifndef SPECIAL_ERRNO_H
	9	#define SPECIAL_ERRNO_H
	10
	11	/*
	12	* All of these are QEMU internal, not visible to the guest.
	13	* They should be chosen so as to not overlap with any host
	14	* or guest errno.
	15	*/
	16
	17	/*
	18	* This is returned when a system call should be restarted, to tell the
	19	* main loop that it should wind the guest PC backwards so it will
	20	* re-execute the syscall after handling any pending signals.
	21	*/
	22	#define QEMU_ERESTARTSYS 255
	23
	24	#endif /* SPECIAL_ERRNO_H */