Imported from ../bash-3.2.tar.gz.
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182 changed files with 17647 additions and 9477 deletions
24
quit.h
24
quit.h
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@ -22,11 +22,19 @@
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#define _QUIT_H_
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/* Non-zero means SIGINT has already ocurred. */
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extern int interrupt_state;
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extern volatile int interrupt_state;
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extern volatile int terminating_signal;
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/* Macro to call a great deal. SIGINT just sets above variable. When
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it is safe, put QUIT in the code, and the "interrupt" will take place. */
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#define QUIT if (interrupt_state) throw_to_top_level ()
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/* Macro to call a great deal. SIGINT just sets the interrupt_state variable.
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When it is safe, put QUIT in the code, and the "interrupt" will take
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place. The same scheme is used for terminating signals (e.g., SIGHUP)
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and the terminating_signal variable. That calls a function which will
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end up exiting the shell. */
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#define QUIT \
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do { \
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if (terminating_signal) termsig_handler (terminating_signal); \
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if (interrupt_state) throw_to_top_level (); \
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} while (0)
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#define SETINTERRUPT interrupt_state = 1
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#define CLRINTERRUPT interrupt_state = 0
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@ -34,4 +42,12 @@ extern int interrupt_state;
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#define ADDINTERRUPT interrupt_state++
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#define DELINTERRUPT interrupt_state--
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/* The same sort of thing, this time just for signals that would ordinarily
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cause the shell to terminate. */
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#define CHECK_TERMSIG \
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do { \
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if (terminating_signal) termsig_handler (terminating_signal); \
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} while (0)
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#endif /* _QUIT_H_ */
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