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Fix boilerplate code for re-running system calls on EINTR and EAGAIN etc.

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The nasty code with static variable in retry_send() which
avoids looping forever needs to be called on success of the syscall,
to reset the static variable.
This commit is contained in:
Simon Kelley
2015-03-11 21:36:30 +00:00
parent 360f2513ab
commit ff841ebf5a
11 changed files with 92 additions and 83 deletions
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5
src/radv.c
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@@ -479,8 +479,9 @@ static void send_ra(time_t now, int iface, char *iface_name, struct in6_addr *de
setsockopt(daemon->icmp6fd, IPPROTO_IPV6, IPV6_MULTICAST_IF, &iface, sizeof(iface));
}
while (sendto(daemon->icmp6fd, daemon->outpacket.iov_base, save_counter(0), 0,
(struct sockaddr *)&addr, sizeof(addr)) == -1 && retry_send());
while (retry_send(sendto(daemon->icmp6fd, daemon->outpacket.iov_base,
save_counter(0), 0, (struct sockaddr *)&addr,
sizeof(addr))));
}