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dns: Support Musl

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klzgrad 2019-11-30 22:21:18 +08:00
parent 7064728e06
commit fc36ebaf4f
2 changed files with 14 additions and 2 deletions
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2
src/net/dns/dns_config_service_posix.cc
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@ -93,7 +93,7 @@ base::Optional<DnsConfig> ReadDnsConfig() {
base::Optional<DnsConfig> dns_config; base::Optional<DnsConfig> dns_config;
// TODO(fuchsia): Use res_ninit() when it's implemented on Fuchsia. // TODO(fuchsia): Use res_ninit() when it's implemented on Fuchsia.
#if defined(OS_OPENBSD) || defined(OS_FUCHSIA) #if defined(OS_OPENBSD) || defined(OS_FUCHSIA) || defined(__UCLIBC__)
// Note: res_ninit in glibc always returns 0 and sets RES_INIT. // Note: res_ninit in glibc always returns 0 and sets RES_INIT.
// res_init behaves the same way. // res_init behaves the same way.
memset(&_res, 0, sizeof(_res)); memset(&_res, 0, sizeof(_res));

14
src/net/dns/dns_reloader.cc
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@ -60,20 +60,32 @@ class DnsReloader : public NetworkChangeNotifier::DNSObserver {
if (!reload_state) { if (!reload_state) {
auto new_reload_state = std::make_unique<ReloadState>(); auto new_reload_state = std::make_unique<ReloadState>();
new_reload_state->resolver_generation = resolver_generation_; new_reload_state->resolver_generation = resolver_generation_;
#ifndef __UCLIBC__
res_ninit(&_res); res_ninit(&_res);
#else
res_init();
#endif
tls_reload_state_.Set(std::move(new_reload_state)); tls_reload_state_.Set(std::move(new_reload_state));
} else if (reload_state->resolver_generation != resolver_generation_) { } else if (reload_state->resolver_generation != resolver_generation_) {
reload_state->resolver_generation = resolver_generation_; reload_state->resolver_generation = resolver_generation_;
// It is safe to call res_nclose here since we know res_ninit will have // It is safe to call res_nclose here since we know res_ninit will have
// been called above. // been called above.
#ifndef __UCLIBC__
res_nclose(&_res); res_nclose(&_res);
res_ninit(&_res); res_ninit(&_res);
#else
res_init();
#endif
} }
} }
private: private:
struct ReloadState { struct ReloadState {
~ReloadState() { res_nclose(&_res); } ~ReloadState() {
#ifndef __UCLIBC__
res_nclose(&_res);
#endif
}
int resolver_generation; int resolver_generation;
}; };