Test "make sure to context-switch to idle thread when therad's status is PS_EXITED" on arm64

Change-Id: I757d529e49655e9010022f10414e4d6c9eb4c059
Refs: #1029

test/mng_mod/issues/1029/x86_64/sched_test.c

@@ -0,0 +1,73 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sched.h>
+
+#define DEF_LOOPS 10
+
+int main(int argc, char** argv) {
+	pid_t pid[256];
+	cpu_set_t cpu_set;
+	int result, i, j;
+	int loops = DEF_LOOPS;
+
+	if (argc > 1) {
+		loops = atoi(argv[1]);
+	}
+		
+	CPU_ZERO(&cpu_set);
+	CPU_SET(1, &cpu_set);
+
+	result = sched_setaffinity(0, sizeof(cpu_set_t), &cpu_set);
+
+	if (result != 0) {
+		perror("Error sched_setaffinity()");
+		return(1);
+	}
+
+	for (i = 0; i < loops && (pid[i] = fork()) > 0; i++);
+
+	if (i == loops) { // parent
+		for (i = 0; i < loops; i++) {
+			waitpid(pid[i], NULL, 0);
+		}
+	}
+	else if (pid[i] == 0) {
+		cpu_set_t child_set;
+
+		CPU_ZERO(&child_set);
+		CPU_SET(2, &child_set);
+		result = sched_setaffinity(0, sizeof(cpu_set_t), &child_set);
+		if (result != 0) {
+			perror("Error sched_setaffinity() on child");
+		}
+
+		result = sched_yield();
+		if (result != 0) {
+			perror("Error sched_yield()");
+		}
+
+		CPU_ZERO(&child_set);
+		CPU_SET(1, &child_set);
+		result = sched_setaffinity(0, sizeof(cpu_set_t), &child_set);
+		if (result != 0) {
+			perror("Error sched_setaffinity() on child");
+		}
+
+		result = sched_yield();
+		if (result != 0) {
+			perror("Error sched_yield()");
+		}
+	
+		printf("child[%d] is done.\n", i);
+		return(0);
+	}
+	else {
+		perror("Error fork()");
+		return(1);
+	}
+	printf("parent is done.\n");
+
+	return(0);
+}