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