xref: /aosp_15_r20/external/musl/include/setjmp.h (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #ifndef	_SETJMP_H
2*c9945492SAndroid Build Coastguard Worker #define	_SETJMP_H
3*c9945492SAndroid Build Coastguard Worker 
4*c9945492SAndroid Build Coastguard Worker #ifdef __cplusplus
5*c9945492SAndroid Build Coastguard Worker extern "C" {
6*c9945492SAndroid Build Coastguard Worker #endif
7*c9945492SAndroid Build Coastguard Worker 
8*c9945492SAndroid Build Coastguard Worker #include <features.h>
9*c9945492SAndroid Build Coastguard Worker 
10*c9945492SAndroid Build Coastguard Worker #include <bits/setjmp.h>
11*c9945492SAndroid Build Coastguard Worker 
12*c9945492SAndroid Build Coastguard Worker typedef struct __jmp_buf_tag {
13*c9945492SAndroid Build Coastguard Worker 	__jmp_buf __jb;
14*c9945492SAndroid Build Coastguard Worker 	unsigned long __fl;
15*c9945492SAndroid Build Coastguard Worker 	unsigned long __ss[128/sizeof(long)];
16*c9945492SAndroid Build Coastguard Worker } jmp_buf[1];
17*c9945492SAndroid Build Coastguard Worker 
18*c9945492SAndroid Build Coastguard Worker #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
19*c9945492SAndroid Build Coastguard Worker #define __setjmp_attr __attribute__((__returns_twice__))
20*c9945492SAndroid Build Coastguard Worker #else
21*c9945492SAndroid Build Coastguard Worker #define __setjmp_attr
22*c9945492SAndroid Build Coastguard Worker #endif
23*c9945492SAndroid Build Coastguard Worker 
24*c9945492SAndroid Build Coastguard Worker #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
25*c9945492SAndroid Build Coastguard Worker  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
26*c9945492SAndroid Build Coastguard Worker  || defined(_BSD_SOURCE)
27*c9945492SAndroid Build Coastguard Worker typedef jmp_buf sigjmp_buf;
28*c9945492SAndroid Build Coastguard Worker int sigsetjmp (sigjmp_buf, int) __setjmp_attr;
29*c9945492SAndroid Build Coastguard Worker _Noreturn void siglongjmp (sigjmp_buf, int);
30*c9945492SAndroid Build Coastguard Worker #endif
31*c9945492SAndroid Build Coastguard Worker 
32*c9945492SAndroid Build Coastguard Worker #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
33*c9945492SAndroid Build Coastguard Worker  || defined(_BSD_SOURCE)
34*c9945492SAndroid Build Coastguard Worker int _setjmp (jmp_buf) __setjmp_attr;
35*c9945492SAndroid Build Coastguard Worker _Noreturn void _longjmp (jmp_buf, int);
36*c9945492SAndroid Build Coastguard Worker #endif
37*c9945492SAndroid Build Coastguard Worker 
38*c9945492SAndroid Build Coastguard Worker int setjmp (jmp_buf) __setjmp_attr;
39*c9945492SAndroid Build Coastguard Worker _Noreturn void longjmp (jmp_buf, int);
40*c9945492SAndroid Build Coastguard Worker 
41*c9945492SAndroid Build Coastguard Worker #define setjmp setjmp
42*c9945492SAndroid Build Coastguard Worker 
43*c9945492SAndroid Build Coastguard Worker #undef __setjmp_attr
44*c9945492SAndroid Build Coastguard Worker 
45*c9945492SAndroid Build Coastguard Worker #ifdef __cplusplus
46*c9945492SAndroid Build Coastguard Worker }
47*c9945492SAndroid Build Coastguard Worker #endif
48*c9945492SAndroid Build Coastguard Worker 
49*c9945492SAndroid Build Coastguard Worker #endif
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