The Art of Debugging with GDB and DDD by Matloff Norman & Peter Jay Salzman

Author:Matloff, Norman & Peter Jay Salzman [Matloff, Norman]
Language: eng
Format: mobi
Tags: COMPUTERS / Programming Languages / C
Publisher: No Starch Press
Published: 2009-08-19T16:00:00+00:00

void my_sigint_handler( int signum )

{

printf("I received signal %d (that's 'SIGINT' to you).\n", signum);

puts("Tee Hee! That tickles!\n");

}

int main(void)

{

char choicestr[20];

int choice;

while ( 1 )

{

puts("1. Ignore control-C");

puts("2. Custom handle control-C");

puts("3. Use the default handler control-C");

puts("4. Raise a SIGSEGV on myself.");

printf("Enter your choice: ");

fgets(choicestr, 20, stdin);

sscanf(choicestr, "%d", &choice);

if ( choice == 1 )

signal(SIGINT, SIG_IGN); // Ignore control-C

else if ( choice == 2 )

signal(SIGINT, my_sigint_handler);

else if ( choice == 3 )

signal(SIGINT, SIG_DFL);

else if ( choice == 4 )

raise(SIGSEGV);

else

puts("Whatever you say, guv'nor.\n\n");

}

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