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fix(vfs): fix eventfd select

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This commit is contained in:
Xu Si Yu 2024-03-08 12:27:10 +08:00
parent efb87efbb4
commit 21c7d7a9d2
2 changed files with 47 additions and 2 deletions
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47
components/vfs/test_apps/main/test_vfs_eventfd.c
View File

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -349,3 +349,48 @@ TEST_CASE("eventfd multiple selects", "[vfs][eventfd]")
TEST_ASSERT_EQUAL(0, close(fd));
TEST_ESP_OK(esp_vfs_eventfd_unregister());
}
typedef struct {
int *value;
int fd;
} select_block_task_args_t;
static void select_block_task(void *arg)
{
int fd = ((select_block_task_args_t *)arg)->fd;
fd_set read_fds;
FD_ZERO(&read_fds);
FD_SET(fd, &read_fds);
select(fd + 1, &read_fds, NULL, NULL, NULL);
*(((select_block_task_args_t *)arg)->value) = 1;
vTaskDelete(NULL);
}
TEST_CASE("eventfd select block", "[vfs][eventfd]")
{
esp_vfs_eventfd_config_t config = ESP_VFS_EVENTD_CONFIG_DEFAULT();
TEST_ESP_OK(esp_vfs_eventfd_register(&config));
select_block_task_args_t args;
args.fd = eventfd(0, 0);
TEST_ASSERT_GREATER_OR_EQUAL(0, args.fd);
int a = 0;
args.value = &a;
int fd_write = eventfd(0, 0);
TEST_ASSERT_GREATER_OR_EQUAL(0, fd_write);
xTaskCreate(select_block_task, "select_block_task", 2048, &args, 5, NULL);
vTaskDelay(pdMS_TO_TICKS(2000));
uint64_t val = 1;
TEST_ASSERT_EQUAL(sizeof(val), write(fd_write, &val, sizeof(val)));
vTaskDelay(pdMS_TO_TICKS(2000));
TEST_ASSERT_EQUAL(0, *(args.value));
TEST_ASSERT_EQUAL(0, close(args.fd));
TEST_ASSERT_EQUAL(0, close(fd_write));
TEST_ESP_OK(esp_vfs_eventfd_unregister());
}

2
components/vfs/vfs_eventfd.c
View File

@ -106,7 +106,7 @@ static esp_err_t event_start_select(int nfds,
for (int i = 0; i < nfds; i++) {
_lock_acquire_recursive(&s_events[i].lock);
if (s_events[i].fd == i) {
if (s_events[i].fd == i && (FD_ISSET(i, readfds) || FD_ISSET(i, writefds) || FD_ISSET(i, exceptfds))) {
if (s_events[i].support_isr) {
portENTER_CRITICAL(&s_events[i].data_spin_lock);
}