Do not block on ctrl_iface monitor events
It looks like some of the global control interface cases ended up blocking in sendmsg() when trying to send an event. Since this can block all wpa_supplicant processing for multiple seconds, this is very undesirable. Avoid this by requesting sendmsg() to return an error rather than waiting for the message to be sent. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
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@ -602,7 +602,7 @@ static void wpa_supplicant_ctrl_iface_send(const char *ifname, int sock,
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offsetof(struct sockaddr_un, sun_path));
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msg.msg_name = (void *) &dst->addr;
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msg.msg_namelen = dst->addrlen;
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if (sendmsg(sock, &msg, 0) < 0) {
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if (sendmsg(sock, &msg, MSG_DONTWAIT) < 0) {
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int _errno = errno;
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wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
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"%d - %s",
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