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Merge branch 'bugfix/select_init_sem' into 'master'

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VFS: Allocate socket select semaphore outside ISR

See merge request idf/esp-idf!4591
This commit is contained in:
Ivan Grokhotkov
2019-04-25 19:10:08 +08:00
parent 7724a2e1a0 2df9fb057d
commit 89798b328b
4 changed files with 67 additions and 45 deletions
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17
components/lwip/port/esp32/vfs_lwip.c
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@@ -27,18 +27,26 @@
_Static_assert(MAX_FDS >= CONFIG_LWIP_MAX_SOCKETS, "MAX_FDS < CONFIG_LWIP_MAX_SOCKETS");
static void lwip_stop_socket_select()
static void lwip_stop_socket_select(void *sem)
{
sys_sem_signal(sys_thread_sem_get()); //socket_select will return
sys_sem_signal(sem); //socket_select will return
}
static void lwip_stop_socket_select_isr(BaseType_t *woken)
static void lwip_stop_socket_select_isr(void *sem, BaseType_t *woken)
{
if (sys_sem_signal_isr(sys_thread_sem_get()) && woken) {
if (sys_sem_signal_isr(sem) && woken) {
*woken = pdTRUE;
}
}
static void *lwip_get_socket_select_semaphore()
{
/* Calling this from the same process as select() will ensure that the semaphore won't be allocated from
* ISR (lwip_stop_socket_select_isr).
*/
return (void *) sys_thread_sem_get();
}
static int lwip_fcntl_r_wrapper(int fd, int cmd, int arg)
{
return lwip_fcntl_r(fd, cmd, arg);
@@ -61,6 +69,7 @@ void esp_vfs_lwip_sockets_register()
.fcntl = &lwip_fcntl_r_wrapper,
.ioctl = &lwip_ioctl_r_wrapper,
.socket_select = &lwip_select,
.get_socket_select_semaphore = &lwip_get_socket_select_semaphore,
.stop_socket_select = &lwip_stop_socket_select,
.stop_socket_select_isr = &lwip_stop_socket_select_isr,
};