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https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-12-23 10:06:25 +01:00
102 lines
1.3 KiB
C
102 lines
1.3 KiB
C
/* Set up the signal behavior. */
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#include <stdio.h>
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#include "signal1.h"
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#ifndef SIGIOT
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#ifdef SIGABRT
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#define SIGIOT SIGABRT
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#endif
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#endif
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#ifndef KR_headers
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#undef VOID
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#include <stdlib.h>
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#endif
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#ifndef VOID
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#define VOID void
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef KR_headers
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extern VOID sig_die();
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#define Int /* int */
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#else
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extern void sig_die(char*, int);
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#define Int int
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#endif
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static VOID sigfdie(Sigarg)
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{
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Use_Sigarg;
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sig_die("Floating Exception", 1);
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}
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static VOID sigidie(Sigarg)
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{
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Use_Sigarg;
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sig_die("IOT Trap", 1);
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}
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#ifdef SIGQUIT
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static VOID sigqdie(Sigarg)
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{
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Use_Sigarg;
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sig_die("Quit signal", 1);
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}
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#endif
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static VOID sigindie(Sigarg)
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{
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Use_Sigarg;
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sig_die("Interrupt", 0);
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}
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static VOID sigtdie(Sigarg)
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{
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Use_Sigarg;
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sig_die("Killed", 0);
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}
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#ifdef SIGTRAP
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static VOID sigtrdie(Sigarg)
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{
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Use_Sigarg;
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sig_die("Trace trap", 1);
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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void
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f_setsig()
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{
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signal1(SIGFPE, sigfdie); /* ignore underflow, enable overflow */
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#ifdef SIGIOT
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signal1(SIGIOT, sigidie);
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#endif
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#ifdef SIGTRAP
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signal1(SIGTRAP, sigtrdie);
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#endif
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#ifdef SIGQUIT
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if(signal1(SIGQUIT,sigqdie) == SIG_IGN)
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signal1(SIGQUIT, SIG_IGN);
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#endif
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if(signal1(SIGINT, sigindie) == SIG_IGN)
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signal1(SIGINT, SIG_IGN);
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signal1(SIGTERM,sigtdie);
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#ifdef pdp11
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ldfps(01200); /* detect overflow as an exception */
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#endif
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}
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