Diffstat (limited to 'qmake/tools/qsemaphore_unix.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | qmake/tools/qsemaphore_unix.cpp | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/qmake/tools/qsemaphore_unix.cpp b/qmake/tools/qsemaphore_unix.cpp index fcf28da..4516049 100644 --- a/qmake/tools/qsemaphore_unix.cpp +++ b/qmake/tools/qsemaphore_unix.cpp @@ -185,2 +185,9 @@ int QSemaphore::operator+=(int n) + if ( n < 0 || n > d->max ) { +#ifdef QT_CHECK_RANGE + qWarning( "QSemaphore::operator+=: paramter %d out of range", n ); +#endif // QT_CHECK_RANGE + n = n < 0 ? 0 : d->max; + } + while (d->value + n > d->max) @@ -189,10 +196,2 @@ int QSemaphore::operator+=(int n) d->value += n; - -#ifdef QT_CHECK_RANGE - if (d->value > d->max) { - qWarning("QSemaphore::operator+=: attempt to allocate more resources than available"); - d->value = d->max; - } -#endif - ret = d->value; @@ -214,11 +213,10 @@ int QSemaphore::operator-=(int n) - d->value -= n; - + if ( n < 0 || n > d->value ) { #ifdef QT_CHECK_RANGE - if (d->value < 0) { - qWarning("QSemaphore::operator-=: attempt to deallocate more resources than taken"); - d->value = 0; + qWarning( "QSemaphore::operator-=: paramter %d out of range", n ); +#endif // QT_CHECK_RANGE + n = n < 0 ? 0 : d->value; } -#endif + d->value -= n; ret = d->value; |