qemu

FORK: QEMU emulator
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special-errno.h (620B)

      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 */