diff options
| author | Liang Qi <liang.qi@qt.io> | 2016-05-12 07:31:50 +0200 |
|---|---|---|
| committer | Liang Qi <liang.qi@qt.io> | 2016-05-12 08:33:08 +0200 |
| commit | 990969655c5fb4d03682e96df9b12101f5ee9815 (patch) | |
| tree | b8fb5c50285105c8bc5a938fb50f93ff9f24889d /src/network/kernel/qdnslookup_unix.cpp | |
| parent | a213011a53f12f101d08a04afc8fdacd2d54a232 (diff) | |
| parent | e64b2234e829cc47872225debcf80d6c06db18f0 (diff) | |
Merge remote-tracking branch 'origin/5.7' into dev
Conflicts:
config_help.txt
configure
src/corelib/io/qprocess_wince.cpp
src/plugins/platforms/windows/qwindowstheme.cpp
src/plugins/platforms/xcb/qxcbbackingstore.cpp
tests/auto/corelib/tools/qtimezone/BLACKLIST
tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp
Change-Id: I26644d1cb3b78412c8ff285e2a55bea1bd641c01
Diffstat (limited to 'src/network/kernel/qdnslookup_unix.cpp')
| -rw-r--r-- | src/network/kernel/qdnslookup_unix.cpp | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/src/network/kernel/qdnslookup_unix.cpp b/src/network/kernel/qdnslookup_unix.cpp index d2c5542139..35981a2f2c 100644 --- a/src/network/kernel/qdnslookup_unix.cpp +++ b/src/network/kernel/qdnslookup_unix.cpp @@ -42,7 +42,6 @@ #include <qlibrary.h> #include <qscopedpointer.h> #include <qurl.h> -#include <private/qmutexpool_p.h> #include <private/qnativesocketengine_p.h> #include <sys/types.h> @@ -78,7 +77,7 @@ struct QDnsLookupStateDeleter } }; -static void resolveLibrary() +static bool resolveLibraryInternal() { QLibrary lib; #ifdef LIBRESOLV_SO @@ -88,7 +87,7 @@ static void resolveLibrary() { lib.setFileName(QLatin1String("resolv")); if (!lib.load()) - return; + return false; } local_dn_expand = dn_expand_proto(lib.resolve("__dn_expand")); @@ -112,19 +111,15 @@ static void resolveLibrary() local_res_nquery = res_nquery_proto(lib.resolve("res_9_nquery")); if (!local_res_nquery) local_res_nquery = res_nquery_proto(lib.resolve("res_nquery")); + + return true; } +Q_GLOBAL_STATIC_WITH_ARGS(bool, resolveLibrary, (resolveLibraryInternal())) void QDnsLookupRunnable::query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply) { // Load dn_expand, res_ninit and res_nquery on demand. - static QBasicAtomicInt triedResolve = Q_BASIC_ATOMIC_INITIALIZER(false); - if (!triedResolve.loadAcquire()) { - QMutexLocker locker(QMutexPool::globalInstanceGet(&local_res_ninit)); - if (!triedResolve.load()) { - resolveLibrary(); - triedResolve.storeRelease(true); - } - } + resolveLibrary(); // If dn_expand, res_ninit or res_nquery is missing, fail. if (!local_dn_expand || !local_res_nclose || !local_res_ninit || !local_res_nquery) { |