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Commit | Line | Data |
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1b6b029e FB |
1 | #include <stdlib.h> |
2 | #include <stdio.h> | |
7fb9a24e | 3 | #include <string.h> |
1b6b029e FB |
4 | #include <signal.h> |
5 | #include <unistd.h> | |
6 | #include <inttypes.h> | |
7 | #include <pthread.h> | |
8 | #include <sys/wait.h> | |
9 | #include <sched.h> | |
10 | ||
11 | int thread1_func(void *arg) | |
12 | { | |
13 | int i; | |
14 | char buf[512]; | |
15 | ||
16 | for(i=0;i<10;i++) { | |
17 | snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg); | |
18 | write(1, buf, strlen(buf)); | |
19 | usleep(100 * 1000); | |
20 | } | |
21 | return 0; | |
22 | } | |
23 | ||
24 | int thread2_func(void *arg) | |
25 | { | |
26 | int i; | |
27 | char buf[512]; | |
28 | for(i=0;i<20;i++) { | |
29 | snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg); | |
30 | write(1, buf, strlen(buf)); | |
31 | usleep(120 * 1000); | |
32 | } | |
33 | return 0; | |
34 | } | |
35 | ||
36 | #define STACK_SIZE 16384 | |
37 | ||
38 | void test_clone(void) | |
39 | { | |
40 | uint8_t *stack1, *stack2; | |
41 | int pid1, pid2, status1, status2; | |
42 | ||
43 | stack1 = malloc(STACK_SIZE); | |
44 | pid1 = clone(thread1_func, stack1 + STACK_SIZE, | |
45 | CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1"); | |
46 | ||
47 | stack2 = malloc(STACK_SIZE); | |
48 | pid2 = clone(thread2_func, stack2 + STACK_SIZE, | |
49 | CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2"); | |
50 | ||
51 | while (waitpid(pid1, &status1, 0) != pid1); | |
52 | while (waitpid(pid2, &status2, 0) != pid2); | |
53 | printf("status1=0x%x\n", status1); | |
54 | printf("status2=0x%x\n", status2); | |
55 | printf("End of clone test.\n"); | |
56 | } | |
57 | ||
58 | int main(int argc, char **argv) | |
59 | { | |
60 | test_clone(); | |
61 | return 0; | |
62 | } |