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Last change
on this file since 444 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
870 bytes
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| Line | |
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| 1 | /* |
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| 2 | setjmp.h |
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| 3 | stubs for future use. |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef _SETJMP_H_ |
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| 7 | #ifdef __cplusplus |
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| 8 | extern "C" { |
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| 9 | #endif |
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| 10 | #define _SETJMP_H_ |
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| 11 | |
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| 12 | #include "_ansi.h" |
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| 13 | #include <machine/setjmp.h> |
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| 14 | #include <signal.h> /* for sigset_t and sigprocmask */ |
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| 15 | |
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| 16 | typedef struct __sigjmpbuf |
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| 17 | { |
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| 18 | __jmp_buf __buf; |
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| 19 | int __is_mask_saved; |
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| 20 | sigset_t __saved_mask; |
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| 21 | } sigjmp_buf; |
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| 22 | |
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| 23 | typedef __jmp_buf jmp_buf; |
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| 24 | |
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| 25 | void longjmp (jmp_buf __jmpb, int __retval); |
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| 26 | int setjmp (jmp_buf __jmpb); |
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| 27 | void siglongjmp (sigjmp_buf __jmpb, int __retval); |
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| 28 | int sigsetjmp (sigjmp_buf __jmpb, int __savemask); |
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| 29 | |
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| 30 | /* sigsetjmp is implemented as macro using setjmp */ |
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| 31 | |
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| 32 | #define sigsetjmp(__jmpb, __savemask) \ |
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| 33 | ( __jmpb.__is_mask_saved = __savemask && \ |
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| 34 | (sigprocmask (SIG_BLOCK, NULL, &__jmpb.__saved_mask) == 0), \ |
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| 35 | setjmp (__jmpb.__buf) ) |
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| 36 | |
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| 37 | #ifdef __cplusplus |
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| 38 | } |
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| 39 | #endif |
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| 40 | #endif /* _SETJMP_H_ */ |
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| 41 | |
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