24 lines
405 B
C
24 lines
405 B
C
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#include <setjmp.h>
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#include <stdio.h>
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#include <time.h>
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jmp_buf j;
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void do_jump(void)
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{
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// We can't let the compiler know this will always happen or it might make
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// optimizations that break our test.
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if (!clock())
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longjmp(j, 1); // non-local goto
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}
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int main (void)
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{
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if (setjmp(j) == 0)
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do_jump();
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else
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return 0; // destination of longjmp
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return 1;
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}
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