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sockets: add core lock assert to select_check_waiters

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Assert the requirement that the core is locked in select_check_waiters
This commit is contained in:
Joel Cunningham 2018-01-16 18:51:24 -06:00
parent 8a27408eb2
commit f3c289d966
1 changed files with 6 additions and 1 deletions
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7
src/api/sockets.c
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@ -2419,6 +2419,7 @@ lwip_poll_should_wake(const struct lwip_select_cb *scb, int fd, int has_recveven
* NETCONN_EVT_RCVPLUS * NETCONN_EVT_RCVPLUS
* NETCONN_EVT_SENDPLUS * NETCONN_EVT_SENDPLUS
* NETCONN_EVT_ERROR * NETCONN_EVT_ERROR
* This requirement will be asserted in select_check_waiters()
*/ */
static void static void
event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len) event_callback(struct netconn *conn, enum netconn_evt evt, u16_t len)
@ -2526,12 +2527,16 @@ static void select_check_waiters(int s, int has_recvevent, int has_sendevent, in
#if !LWIP_TCPIP_CORE_LOCKING #if !LWIP_TCPIP_CORE_LOCKING
int last_select_cb_ctr; int last_select_cb_ctr;
SYS_ARCH_DECL_PROTECT(lev); SYS_ARCH_DECL_PROTECT(lev);
#endif /* !LWIP_TCPIP_CORE_LOCKING */
LWIP_ASSERT_CORE_LOCKED();
#if !LWIP_TCPIP_CORE_LOCKING
SYS_ARCH_PROTECT(lev); SYS_ARCH_PROTECT(lev);
again: again:
/* remember the state of select_cb_list to detect changes */ /* remember the state of select_cb_list to detect changes */
last_select_cb_ctr = select_cb_ctr; last_select_cb_ctr = select_cb_ctr;
#endif #endif /* !LWIP_TCPIP_CORE_LOCKING */
for (scb = select_cb_list; scb != NULL; scb = scb->next) { for (scb = select_cb_list; scb != NULL; scb = scb->next) {
if (scb->sem_signalled == 0) { if (scb->sem_signalled == 0) {
/* semaphore not signalled yet */ /* semaphore not signalled yet */