diff options
author | Edward Welbourne <edward.welbourne@qt.io> | 2016-07-22 10:15:48 +0000 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2016-07-22 10:15:48 +0000 |
commit | 601019e3f42516b5799fe519115f8fbdf44ed18a (patch) | |
tree | d9c800ede4d8a38a73dcb0f3aea54e5954e64d54 /src/corelib/thread | |
parent | b5f18da11fb526a444d2550715d8b867b711e67a (diff) | |
parent | 782ebeada125e3d8a293c7806e34cc737c30ddda (diff) |
Merge "Merge remote-tracking branch 'origin/5.7' into dev" into refs/staging/dev
Diffstat (limited to 'src/corelib/thread')
-rw-r--r-- | src/corelib/thread/qreadwritelock.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/corelib/thread/qreadwritelock.cpp b/src/corelib/thread/qreadwritelock.cpp index 5665bf74f6..6302a3a515 100644 --- a/src/corelib/thread/qreadwritelock.cpp +++ b/src/corelib/thread/qreadwritelock.cpp @@ -244,6 +244,9 @@ bool QReadWriteLock::tryLockForRead(int timeout) } if (d == dummyLockedForWrite) { + if (!timeout) + return false; + // locked for write, assign a d_ptr and wait. auto val = QReadWriteLockPrivate::allocate(); val->writerCount = 1; @@ -345,6 +348,9 @@ bool QReadWriteLock::tryLockForWrite(int timeout) } if (isUncontendedLocked(d)) { + if (!timeout) + return false; + // locked for either read or write, assign a d_ptr and wait. auto val = QReadWriteLockPrivate::allocate(); if (d == dummyLockedForWrite) |