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kernel/linux-rt-4.4.41/arch/um/include/shared/longjmp.h 401 Bytes
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  #ifndef __UML_LONGJMP_H
  #define __UML_LONGJMP_H
  
  #include <sysdep/archsetjmp.h>
  #include <os.h>
  
  extern int setjmp(jmp_buf);
  extern void longjmp(jmp_buf, int);
  
  #define UML_LONGJMP(buf, val) do { \
  	longjmp(*buf, val);	\
  } while(0)
  
  #define UML_SETJMP(buf) ({ \
  	int n;	   \
  	volatile int enable;	\
  	enable = get_signals(); \
  	n = setjmp(*buf); \
  	if(n != 0) \
  		set_signals(enable); \
  	n; })
  
  #endif