28 lines
709 B
C
28 lines
709 B
C
#include <setjmp.h>
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enum { MY_EXCEPTION = 1 }; /* any non-zero number */
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jmp_buf env;
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void foo()
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{
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longjmp(env, MY_EXCEPTION); /* throw MY_EXCEPTION */
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}
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void call_foo()
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{
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switch (setjmp(env)) {
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case 0: /* try */
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foo();
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break;
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case MY_EXCEPTION: /* catch MY_EXCEPTION */
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/* handle exceptions of type MY_EXCEPTION */
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break;
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default:
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/* handle any type of exception not handled by above catches */
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/* note: if this "default" section is not included, that would be equivalent to a blank "default" section */
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/* i.e. any exception not caught above would be caught and ignored */
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/* there is no way to "let the exception through" */
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}
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}
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