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/* test 10 */
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
char *name[] = {"t10a", "t10b", "t10c", "t10d", "t10e", "t10f", "t10g",
"t10h", "t10i", "t10j"};
#define PROGBUF_LONGS 3000
long prog[PROGBUF_LONGS];
int psize;
int max_error = 2;
#include "common.h"
int main(void);
void spawn(int n);
void mkfiles(void);
void cr_file(char *name, int size);
void rmfiles(void);
void quit(void);
int main()
{
int i, n, pid, r;
start(10);
system("cp ../t10a .");
pid = getpid();
/* Create files t10b ... t10h */
mkfiles();
if (getpid() == pid)
if (fork() == 0) {
execl("t10a", "t10a", (char *) 0);
exit(0);
}
if (getpid() == pid)
if (fork() == 0) {
execl("t10b", "t10b", (char *) 0);
exit(0);
}
if (getpid() == pid)
if (fork() == 0) {
execl("t10c", "t10c", (char *) 0);
exit(0);
}
if (getpid() == pid)
if (fork() == 0) {
execl("t10d", "t10d", (char *) 0);
exit(0);
}
srand(100);
for (i = 0; i < 60; i++) {
r = rand() & 07;
spawn(r);
}
for (i = 0; i < 4; i++) wait(&n);
rmfiles();
quit();
return(-1); /* impossible */
}
void spawn(n)
int n;
{
int pid;
if ((pid = fork()) != 0) {
wait(&n); /* wait for some child (any one) */
} else {
/* a successful exec or a successful detection of a broken executable
* is ok
*/
if(execl(name[n], name[n], (char *) 0) < 0 && errno == ENOEXEC)
exit(0);
errct++;
printf("Child execl didn't take. file=%s errno=%d\n", name[n], errno);
rmfiles();
exit(1);
printf("Worse yet, EXIT didn't exit\n");
}
}
void mkfiles()
{
int fd;
fd = open("t10a", 0);
if (fd < 0) {
printf("Can't open t10a\n");
exit(1);
}
psize = read(fd, (char *) prog, PROGBUF_LONGS * 4);
cr_file("t10b", 1600);
cr_file("t10c", 1400);
cr_file("t10d", 2300);
cr_file("t10e", 3100);
cr_file("t10f", 2400);
cr_file("t10g", 1700);
cr_file("t10h", 1500);
cr_file("t10i", 4000);
cr_file("t10j", 2250);
close(fd);
}
void cr_file(name, size)
char *name;
int size;
{
int fd;
size += 3000;
fd = creat(name, 0755);
write(fd, (char *) prog, psize);
close(fd);
}
void rmfiles()
{
unlink("t10b");
unlink("t10c");
unlink("t10d");
unlink("t10e");
unlink("t10f");
unlink("t10g");
unlink("t10h");
unlink("t10i");
unlink("t10j");
}
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