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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
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This file is public domain and comes with NO WARRANTY of any kind */
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/*
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File to include when we want to use alarm or a loop_counter to display
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some information when a program is running
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*/
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#ifndef _my_alarm_h
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#define _my_alarm_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int volatile my_have_got_alarm;
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extern ulong my_time_to_wait_for_lock;
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#if defined(HAVE_ALARM) && !defined(NO_ALARM_LOOP)
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#include <signal.h>
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#define ALARM_VARIABLES uint alarm_old=0; \
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sig_return alarm_signal=0
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#define ALARM_INIT my_have_got_alarm=0 ; \
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alarm_old=(uint) alarm(MY_HOW_OFTEN_TO_ALARM); \
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alarm_signal=signal(SIGALRM,my_set_alarm_variable);
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#define ALARM_END VOID(signal(SIGALRM,alarm_signal)); \
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VOID(alarm(alarm_old));
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#define ALARM_TEST my_have_got_alarm
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#ifdef DONT_REMEMBER_SIGNAL
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#define ALARM_REINIT VOID(alarm(MY_HOW_OFTEN_TO_ALARM)); \
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VOID(signal(SIGALRM,my_set_alarm_variable));\
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my_have_got_alarm=0;
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#else
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#define ALARM_REINIT VOID(alarm((uint) MY_HOW_OFTEN_TO_ALARM)); \
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my_have_got_alarm=0;
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#endif /* DONT_REMEMBER_SIGNAL */
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#else
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#define ALARM_VARIABLES long alarm_pos=0,alarm_end_pos=MY_HOW_OFTEN_TO_WRITE-1
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#define ALARM_INIT
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#define ALARM_END
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#define ALARM_TEST (alarm_pos++ >= alarm_end_pos)
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#define ALARM_REINIT alarm_end_pos+=MY_HOW_OFTEN_TO_WRITE
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#endif /* HAVE_ALARM */
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#ifdef __cplusplus
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}
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#endif
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#endif
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