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sock_async_event: fix race-condition #13438

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Feb 21, 2020
Merged

sock_async_event: fix race-condition #13438

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8 changes: 7 additions & 1 deletion sys/net/sock/async/event/sock_async_event.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,14 +13,20 @@
* @author Martine Lenders <m.lenders@fu-berlin.de>
*/

#include "irq.h"
#include "net/sock/async/event.h"

static void _event_handler(event_t *ev)
{
sock_event_t *event = (sock_event_t *)ev;
unsigned state = irq_disable();
sock_async_flags_t _type = event->type;

event->cb.generic(event->sock, event->type);
event->type = 0;
irq_restore(state);
if (_type) {
event->cb.generic(event->sock, _type);
}
}

static inline void _cb(void *sock, sock_async_flags_t type,
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