longjmp.h 493 B

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef __UML_LONGJMP_H
  3. #define __UML_LONGJMP_H
  4. #include <sysdep/archsetjmp.h>
  5. #include <os.h>
  6. extern int signals_enabled;
  7. extern int setjmp(jmp_buf);
  8. extern void longjmp(jmp_buf, int);
  9. #define UML_LONGJMP(buf, val) do { \
  10. longjmp(*buf, val); \
  11. } while(0)
  12. #define UML_SETJMP(buf) ({ \
  13. int n, enable; \
  14. enable = *(volatile int *)&signals_enabled; \
  15. n = setjmp(*buf); \
  16. if(n != 0) \
  17. um_set_signals_trace(enable); \
  18. n; })
  19. #endif