testcase: simplify vfork test

This patch simplify vfork test logic.

Change-Id: I571b25d89962fa9f45715406c48d5d5a1de46395
Signed-off-by: EunBong Song <eunb.song@samsung.com>

diff --git a/apps/examples/testcase/le_tc/kernel/tc_task.c b/apps/examples/testcase/le_tc/kernel/tc_task.c
index 42d0aba..c2d666f 100644 (file)
--- a/apps/examples/testcase/le_tc/kernel/tc_task.c
+++ b/apps/examples/testcase/le_tc/kernel/tc_task.c
@@ -42,10 +42,8 @@ static int g_callback;
 #ifndef CONFIG_BUILD_PROTECTED
 static volatile int vfork_val;
 static volatile int task_cnt;
-pid_t existed_pid[CONFIG_MAX_TASKS];
 static volatile int vfork_cnt;
 static volatile pid_t ppid;
-static volatile int existed_pid_idx;
 #endif
 
 /**
@@ -173,7 +171,6 @@ static int getpid_task(int argc, char *argv[])
 */
 static void task_cnt_func(struct tcb_s *tcb, void *arg)
 {
-       existed_pid[task_cnt] = tcb->pid;
        task_cnt++;
 }
 
@@ -185,31 +182,17 @@ static void task_cnt_func(struct tcb_s *tcb, void *arg)
 static int vfork_task(int argc, char *argv[])
 {
        pid_t pid;
-       int repeat_criteria;
-       int repeat_iter;
 
-       /* initialize the task_cnt and existed_pid arr */
        task_cnt = vfork_val = 0;
-       for (existed_pid_idx = 0; existed_pid_idx < CONFIG_MAX_TASKS; existed_pid_idx++) {
-               existed_pid[existed_pid_idx] = -1;
-       }
-
        ppid = getpid();
 
        sched_foreach(task_cnt_func, NULL);
-       existed_pid_idx = task_cnt;
 
        for (vfork_cnt = 0; vfork_cnt < (CONFIG_MAX_TASKS - task_cnt + 1); vfork_cnt++) {
                pid = vfork();
                if (pid == 0) {
                        vfork_val++;
-                       /* check that created pid is repeated or not */
-                       if (existed_pid[existed_pid_idx] != -1) {
-                               g_callback = ERROR;
-                               exit(OK);
-                       } else {
-                               existed_pid[existed_pid_idx++] = getpid();
-                       }
+                       exit(OK);
                } else if (pid < 0) {
                        if (vfork_val >= (CONFIG_MAX_TASKS - task_cnt) && errno == EPERM) {
                                /* the num of tasks is full, and the errno is set to EPERM */
@@ -223,23 +206,6 @@ static int vfork_task(int argc, char *argv[])
                usleep(USEC_10);
        }
 
-       if (getpid() != ppid) {
-               exit(OK);
-       }
-
-       /* check all pids in existed_pid arr whether repeated or not */
-       for (repeat_criteria = 0; repeat_criteria < CONFIG_MAX_TASKS; repeat_criteria++) {
-               for (repeat_iter = repeat_criteria + 1; repeat_iter < CONFIG_MAX_TASKS; repeat_iter++) {
-                       if (existed_pid[repeat_criteria] == existed_pid[repeat_iter]) {
-                               g_callback = ERROR;
-                               break;
-                       }
-               }
-               if (g_callback == ERROR) {
-                       break;
-               }
-       }
-
        return OK;
 }
 #endif