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/* test 1 */
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#define SIGNUM 10
int max_error = 4;
#include "common.h"
#define ITERATIONS 10
volatile int glov, gct;
int subtest;
int main(int argc, char *argv []);
void test1a(void);
void parent(void);
void child(int i);
void test1b(void);
void parent1(int childpid);
void func(int s);
void child1(void);
int main(argc, argv)
int argc;
char *argv[];
{
int i, m = 0xFFFF;
start(1);
if (argc == 2) m = atoi(argv[1]);
for (i = 0; i < ITERATIONS; i++) {
if (m & 00001) test1a();
if (m & 00002) test1b();
}
quit();
return(-1); /* impossible */
}
void test1a()
{
int i, n, pid;
subtest = 1;
n = 4;
for (i = 0; i < n; i++) {
if ((pid = fork())) {
if (pid < 0) {
printf("\nTest 1 fork failed\n");
exit(1);
}
parent();
} else
child(i);
}
}
void parent()
{
int n;
n = getpid();
wait(&n);
}
void child(i)
int i;
{
(void) getpid();
exit(100+i);
}
void test1b()
{
int i, k;
subtest = 2;
for (i = 0; i < 4; i++) {
glov = 0;
signal(SIGNUM, func);
if ((k = fork())) {
if (k < 0) {
printf("Test 1 fork failed\n");
exit(1);
}
parent1(k);
} else
child1();
}
}
void parent1(childpid)
int childpid;
{
int n;
for (n = 0; n < 5000; n++);
while (kill(childpid, SIGNUM) < 0) /* null statement */
;
wait(&n);
}
void func(s)
int s; /* for ANSI */
{
glov++;
gct++;
}
void child1()
{
while (glov == 0);
exit(gct);
}
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