diff options
Diffstat (limited to 'tests/testclone.c')
-rw-r--r-- | tests/testclone.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/tests/testclone.c b/tests/testclone.c new file mode 100644 index 0000000000..2152dfcf23 --- /dev/null +++ b/tests/testclone.c @@ -0,0 +1,61 @@ +#include <stdlib.h> +#include <stdio.h> +#include <signal.h> +#include <unistd.h> +#include <inttypes.h> +#include <pthread.h> +#include <sys/wait.h> +#include <sched.h> + +int thread1_func(void *arg) +{ + int i; + char buf[512]; + + for(i=0;i<10;i++) { + snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg); + write(1, buf, strlen(buf)); + usleep(100 * 1000); + } + return 0; +} + +int thread2_func(void *arg) +{ + int i; + char buf[512]; + for(i=0;i<20;i++) { + snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg); + write(1, buf, strlen(buf)); + usleep(120 * 1000); + } + return 0; +} + +#define STACK_SIZE 16384 + +void test_clone(void) +{ + uint8_t *stack1, *stack2; + int pid1, pid2, status1, status2; + + stack1 = malloc(STACK_SIZE); + pid1 = clone(thread1_func, stack1 + STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1"); + + stack2 = malloc(STACK_SIZE); + pid2 = clone(thread2_func, stack2 + STACK_SIZE, + CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2"); + + while (waitpid(pid1, &status1, 0) != pid1); + while (waitpid(pid2, &status2, 0) != pid2); + printf("status1=0x%x\n", status1); + printf("status2=0x%x\n", status2); + printf("End of clone test.\n"); +} + +int main(int argc, char **argv) +{ + test_clone(); + return 0; +} |