xref: /openbmc/linux/arch/um/include/shared/longjmp.h (revision c3d5f267)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __UML_LONGJMP_H
3 #define __UML_LONGJMP_H
4 
5 #include <sysdep/archsetjmp.h>
6 #include <os.h>
7 
8 extern int signals_enabled;
9 extern int setjmp(jmp_buf);
10 extern void longjmp(jmp_buf, int);
11 
12 #define UML_LONGJMP(buf, val) do { \
13 	longjmp(*buf, val);	\
14 } while(0)
15 
16 #define UML_SETJMP(buf) ({				\
17 	int n, enable;					\
18 	enable = *(volatile int *)&signals_enabled;	\
19 	n = setjmp(*buf);				\
20 	if(n != 0)					\
21 		um_set_signals_trace(enable);		\
22 	n; })
23 
24 #endif
25