diff options
Diffstat (limited to 'kdesktop/lockeng.cc')
| -rw-r--r-- | kdesktop/lockeng.cc | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/kdesktop/lockeng.cc b/kdesktop/lockeng.cc index 27b57bc51..43930e9e7 100644 --- a/kdesktop/lockeng.cc +++ b/kdesktop/lockeng.cc @@ -837,15 +837,13 @@ bool SaverEngine::waitForLockProcessStart() { sigset_t empty_mask; sigemptyset(&empty_mask); - // wait for SIGUSR1, SIGUSR2, SIGTTIN, SIGCHLD + // ensure that SIGCHLD is not subjec to a race condition sigemptyset(&new_mask); - sigaddset(&new_mask, SIGUSR1); - sigaddset(&new_mask, SIGUSR2); - sigaddset(&new_mask, SIGTTIN); sigaddset(&new_mask, SIGCHLD); pthread_sigmask(SIG_BLOCK, &new_mask, NULL); while ((mLockProcess.isRunning()) && (!mSaverProcessReady)) { + // wait for any signal to arrive sigsuspend(&empty_mask); } pthread_sigmask(SIG_UNBLOCK, &new_mask, NULL); @@ -858,11 +856,10 @@ bool SaverEngine::waitForLockEngage() { sigemptyset(&empty_mask); // wait for SIGUSR1, SIGUSR2, SIGTTIN - pthread_sigmask(SIG_BLOCK, &mThreadBlockSet, NULL); while ((mLockProcess.isRunning()) && (mState != Waiting) && (mState != Saving)) { + // wait for any signal to arrive sigsuspend(&empty_mask); } - pthread_sigmask(SIG_UNBLOCK, &mThreadBlockSet, NULL); return mLockProcess.isRunning(); } @@ -882,4 +879,4 @@ void SaverEngineThreadHelperObject::terminateThread() { if (eventLoop) { eventLoop->exit(0); } -}
\ No newline at end of file +} |