73 lines
1.4 KiB
C++
73 lines
1.4 KiB
C++
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/* Exit from program */
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/* Copyright (c) Mix Software 1988 */
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void abort()
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{
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raise(SIGABRT);
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_errmsg("Abnormal program terminations\x0d\x0a");
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_exit(3);
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}
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/* ------------------------------------------------------------ */
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exit(status)
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int status;
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{
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int i;
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int _exit();
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extern int (*_fclose)();
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extern onexit_t _on_exit_tbl[32];
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extern int _on_index;
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while (_on_index--) (*(_on_exit_tbl[_on_index]))();
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i = 0;
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while (i < MAXFILES) {
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if (_iob[i] != NULL) (*_fclose)(_iob[i]);
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i++;
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}
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_exit(status);
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}
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/* ------------------------------------------------------------ */
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onexit_t onexit(func)
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onexit_t func;
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{
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extern int _on_index;
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extern onexit_t _on_exit_tbl[32];
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if (_on_index > 31) return NULL;
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_on_exit_tbl[_on_index] = func;
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_on_index++;
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return func;
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}
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/* ------------------------------------------------------------ */
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atexit_t atexit(func)
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atexit_t func;
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{
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extern int _on_index;
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extern onexit_t _on_exit_tbl[32];
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if (_on_index > 31) return NULL;
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_on_exit_tbl[_on_index] = func;
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_on_index++;
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return func;
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}
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/* ------------------------------------------------------------ */
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_exit(status)
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int status;
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{
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extern int $$EXSTAT;
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extern void (*$$EXITPT)();
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$$EXSTAT = status;
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(*$$EXITPT)();
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}
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onexit_t _on_exit_tbl[32];
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int _on_index = 0;
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