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Enhance tdns node mutex lock #1859

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Enhance tdns node mutex lock #1859

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9 changes: 4 additions & 5 deletions src/net.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1060,11 +1060,11 @@ int sockread(char *s, int *len, sock_list *slist, int slistmax, int tclonly)
#ifdef EGG_TDNS
dtn_prev = dns_thread_head;
for (dtn = dtn_prev->next; dtn; dtn = dtn->next) {
pthread_mutex_lock(&dtn->mutex);
if (*dtn->strerror)
debug2("%s: hostname %s", dtn->strerror, dtn->host);
fd = dtn->fildes[0];
if (FD_ISSET(fd, &fdr)) {
pthread_mutex_lock(&dtn->mutex);
if (*dtn->strerror)
debug2("%s: hostname %s", dtn->strerror, dtn->host);
if (dtn->type == DTN_TYPE_HOSTBYIP)
call_hostbyip(&dtn->addr, dtn->host, !*dtn->strerror);
else
Expand All @@ -1076,8 +1076,7 @@ int sockread(char *s, int *len, sock_list *slist, int slistmax, int tclonly)
dtn_prev->next = dtn->next;
nfree(dtn);
dtn = dtn_prev;
} else
pthread_mutex_unlock(&dtn->mutex);
}
dtn_prev = dtn;
}
#endif
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