| /* |
| * Copyright (c) 2015 Wind River Systems, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <errno.h> |
| #include <tc_util.h> |
| |
| #define N_THREADS 2 |
| |
| #define STACK_SIZE 384 |
| static __stack char stacks[N_THREADS][STACK_SIZE]; |
| |
| static int errno_values[N_THREADS + 1] = { |
| 0xbabef00d, |
| 0xdeadbeef, |
| 0xabad1dea, |
| }; |
| |
| struct result { |
| void *q; |
| int pass; |
| }; |
| |
| struct result result[N_THREADS]; |
| |
| struct k_fifo fifo; |
| |
| static void errno_fiber(int n, int my_errno) |
| { |
| errno = my_errno; |
| |
| printk("co-op thread %d, errno before sleep: %x\n", n, errno); |
| |
| k_sleep(30 - (n * 10)); |
| if (errno == my_errno) { |
| result[n].pass = 1; |
| } |
| |
| printk("co-op thread %d, errno after sleep: %x\n", n, errno); |
| |
| k_fifo_put(&fifo, &result[n]); |
| } |
| |
| void main(void) |
| { |
| int rv = TC_PASS; |
| |
| k_fifo_init(&fifo); |
| |
| errno = errno_values[N_THREADS]; |
| |
| printk("main thread, errno before starting co-op threads: %x\n", errno); |
| |
| for (int ii = 0; ii < N_THREADS; ii++) { |
| result[ii].pass = TC_FAIL; |
| } |
| |
| for (int ii = 0; ii < N_THREADS; ii++) { |
| k_thread_spawn(stacks[ii], STACK_SIZE, |
| (k_thread_entry_t) errno_fiber, |
| (void *) ii, (void *) errno_values[ii], NULL, |
| K_PRIO_PREEMPT(ii + 5), 0, K_NO_WAIT); |
| } |
| |
| for (int ii = 0; ii < N_THREADS; ii++) { |
| struct result *p = k_fifo_get(&fifo, 100); |
| |
| if (!p || !p->pass) { |
| rv = TC_FAIL; |
| } |
| } |
| |
| printk("main thread, errno after running co-op threads: %x\n", errno); |
| |
| if (errno != errno_values[N_THREADS]) { |
| rv = TC_FAIL; |
| } |
| |
| TC_END_RESULT(rv); |
| TC_END_REPORT(rv); |
| } |