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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 committed 2015-03-11 21:36:30 +00:00
1 parent 360f2513ab
commit ff841ebf5a
11 files changed
+92 -83
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src/ipset.c
+4 -4
View File
@@ -121,7 +121,6 @@ static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
struct my_nlattr *nested[2];
uint8_t proto;
int addrsz = INADDRSZ;
ssize_t rc;
#ifdef HAVE_IPV6
if (af == AF_INET6)
@@ -162,9 +161,10 @@ static int new_add_to_ipset(const char *setname, const struct all_addr *ipaddr,
nested[1]->nla_len = (void *)buffer + NL_ALIGN(nlh->nlmsg_len) - (void *)nested[1];
nested[0]->nla_len = (void *)buffer + NL_ALIGN(nlh->nlmsg_len) - (void *)nested[0];
while ((rc = sendto(ipset_sock, buffer, nlh->nlmsg_len, 0,
(struct sockaddr *)&snl, sizeof(snl))) == -1 && retry_send());
return rc;
while (retry_send(sendto(ipset_sock, buffer, nlh->nlmsg_len, 0,
(struct sockaddr *)&snl, sizeof(snl))));
return errno == 0 ? 0 : -1;
}