Modify the below program so that the following two conditions are met: 1. Each child terminates abnormally...

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Programming

Modify the below program so that the following two conditionsare met:
1. Each child terminates abnormally after attempting to write toa location in the read-only text segment.
2. The parent prints output that is identical (except for thePIDs) to the following:
child 12255 terminated by signal 11: Segmentation fault
child 12254 terminated by signal 11: Segmentation fault
Hint: Read the man page for psignal(3)
___________________________________.
#include
#include
#include
#include
#include
#include
#include
void unix_error(char msg) / unix-style error /
{
fprintf(stderr, \"%s: %s\n\", msg, strerror(errno));
exit(0);
}
#define N 2
int main()
{
int status, i;
__pid_t pid;
/ Parent creates N children /
for (i = 0; i < N; i++)
if ((pid = fork()) == 0) / child /
exit(100+i);
/ Parent reaps N children in no particular order /
while ((pid = waitpid(-1, &status, 0)) > 0) {
if (WIFEXITED(status))
printf(\"child %d terminated normally with exit status=%d\n\",
pid, WEXITSTATUS(status));
else
printf(\"child %d terminated abnormally\n\", pid);
}
/ The normal termination is if there are no more children*/
if (errno != ECHILD)
unix_error(\"waitpid error\");
exit(0);
}

Answer & Explanation Solved by verified expert

4.0 Ratings (411 Votes)

Answer Please find the complete program for the question below include include include include include psignal include waitpid include waitpid define N 2 See Answer

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