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| |
| #include "qsystemsemaphore.h" |
| #include "qsystemsemaphore_p.h" |
| |
| #include <qdebug.h> |
| #include <qcoreapplication.h> |
| |
| #ifndef QT_NO_SYSTEMSEMAPHORE |
| |
| #include <sys/types.h> |
| #ifndef QT_POSIX_IPC |
| #include <sys/ipc.h> |
| #include <sys/sem.h> |
| #endif |
| #include <fcntl.h> |
| #include <errno.h> |
| |
| #include "private/qcore_unix_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| QSystemSemaphorePrivate::QSystemSemaphorePrivate() : |
| #ifndef QT_POSIX_IPC |
| unix_key(-1), semaphore(-1), createdFile(false), |
| #else |
| semaphore(SEM_FAILED), |
| #endif // QT_POSIX_IPC |
| createdSemaphore(false), error(QSystemSemaphore::NoError) |
| { |
| } |
| |
| void QSystemSemaphorePrivate::setErrorString(const QString &function) |
| { |
| // EINVAL is handled in functions so they can give better error strings |
| switch (errno) { |
| case EPERM: |
| case EACCES: |
| errorString = QCoreApplication::translate("QSystemSemaphore", "%1: permission denied").arg(function); |
| error = QSystemSemaphore::PermissionDenied; |
| break; |
| case EEXIST: |
| errorString = QCoreApplication::translate("QSystemSemaphore", "%1: already exists").arg(function); |
| error = QSystemSemaphore::AlreadyExists; |
| break; |
| case ENOENT: |
| errorString = QCoreApplication::translate("QSystemSemaphore", "%1: does not exist").arg(function); |
| error = QSystemSemaphore::NotFound; |
| break; |
| case ERANGE: |
| case ENOSPC: |
| errorString = QCoreApplication::translate("QSystemSemaphore", "%1: out of resources").arg(function); |
| error = QSystemSemaphore::OutOfResources; |
| break; |
| default: |
| errorString = QCoreApplication::translate("QSystemSemaphore", "%1: unknown error %2").arg(function).arg(errno); |
| error = QSystemSemaphore::UnknownError; |
| #if defined QSYSTEMSEMAPHORE_DEBUG |
| qDebug() << errorString << "key" << key << "errno" << errno << EINVAL; |
| #endif |
| } |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_SYSTEMSEMAPHORE |