1 files changed, 0 insertions, 190 deletions
diff --git a/src/corelib/kernel/qsystemsemaphore_systemv.cpp b/src/corelib/kernel/qsystemsemaphore_systemv.cpp
deleted file mode 100644
index ff288c6dea..0000000000
--- a/src/corelib/kernel/qsystemsemaphore_systemv.cpp
+++ /dev/null
@@ -1,190 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
-
-#include "qsystemsemaphore.h"
-#include "qsystemsemaphore_p.h"
-
-#include <qdebug.h>
-#include <qfile.h>
-#include <qcoreapplication.h>
-
-#ifndef QT_POSIX_IPC
-
-#ifndef QT_NO_SYSTEMSEMAPHORE
-
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/sem.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#if defined(Q_OS_DARWIN)
-#include "qcore_mac_p.h"
-#endif
-
-#include "private/qcore_unix_p.h"
-
-// OpenBSD 4.2 doesn't define EIDRM, see BUGS section:
-// http://www.openbsd.org/cgi-bin/man.cgi?query=semop&manpath=OpenBSD+4.2
-#if defined(Q_OS_OPENBSD) && !defined(EIDRM)
-#define EIDRM EINVAL
-#endif
-
-QT_BEGIN_NAMESPACE
-
-using namespace Qt::StringLiterals;
-
-/*!
-    \internal
-
-    Setup unix_key
- */
-key_t QSystemSemaphorePrivate::handle(QSystemSemaphore::AccessMode mode)
-{
-#if defined(Q_OS_DARWIN)
-    if (qt_apple_isSandboxed()) {
-        errorString = QSystemSemaphore::tr("%1: System V semaphores are not available " \
-            "for sandboxed applications. Please build Qt with -feature-ipc_posix")
-                      .arg("QSystemSemaphore::handle:"_L1);
-        error = QSystemSemaphore::PermissionDenied;
-        return -1;
-    }
-#endif
-
-    if (key.isEmpty()){
-        errorString = QSystemSemaphore::tr("%1: key is empty")
-                      .arg("QSystemSemaphore::handle:"_L1);
-        error = QSystemSemaphore::KeyError;
-        return -1;
-    }
-
-    // ftok requires that an actual file exists somewhere
-    if (-1 != unix_key)
-        return unix_key;
-
-    // Create the file needed for ftok
-    int built = QSharedMemoryPrivate::createUnixKeyFile(fileName);
-    if (-1 == built) {
-        errorString = QSystemSemaphore::tr("%1: unable to make key")
-                      .arg("QSystemSemaphore::handle:"_L1);
-        error = QSystemSemaphore::KeyError;
-        return -1;
-    }
-    createdFile = (1 == built);
-
-#if !defined(QT_NO_SHAREDMEMORY) && !defined(QT_POSIX_IPC) && !defined(Q_OS_ANDROID)
-    // Get the unix key for the created file
-    unix_key = ftok(QFile::encodeName(fileName).constData(), 'Q');
-#endif
-    if (-1 == unix_key) {
-        errorString = QSystemSemaphore::tr("%1: ftok failed")
-                      .arg("QSystemSemaphore::handle:"_L1);
-        error = QSystemSemaphore::KeyError;
-        return -1;
-    }
-
-    // Get semaphore
-    semaphore = semget(unix_key, 1, 0600 | IPC_CREAT | IPC_EXCL);
-    if (-1 == semaphore) {
-        if (errno == EEXIST)
-            semaphore = semget(unix_key, 1, 0600 | IPC_CREAT);
-        if (-1 == semaphore) {
-            setErrorString("QSystemSemaphore::handle"_L1);
-            cleanHandle();
-            return -1;
-        }
-    } else {
-        createdSemaphore = true;
-        // Force cleanup of file, it is possible that it can be left over from a crash
-        createdFile = true;
-    }
-
-    if (mode == QSystemSemaphore::Create) {
-        createdSemaphore = true;
-        createdFile = true;
-    }
-
-    // Created semaphore so initialize its value.
-    if (createdSemaphore && initialValue >= 0) {
-        qt_semun init_op;
-        init_op.val = initialValue;
-        if (-1 == semctl(semaphore, 0, SETVAL, init_op)) {
-            setErrorString("QSystemSemaphore::handle"_L1);
-            cleanHandle();
-            return -1;
-        }
-    }
-
-    return unix_key;
-}
-
-/*!
-    \internal
-
-    Cleanup the unix_key
- */
-void QSystemSemaphorePrivate::cleanHandle()
-{
-    unix_key = -1;
-
-    // remove the file if we made it
-    if (createdFile) {
-        QFile::remove(fileName);
-        createdFile = false;
-    }
-
-    if (createdSemaphore) {
-        if (-1 != semaphore) {
-            if (-1 == semctl(semaphore, 0, IPC_RMID, 0)) {
-                setErrorString("QSystemSemaphore::cleanHandle"_L1);
-#if defined QSYSTEMSEMAPHORE_DEBUG
-                qDebug("QSystemSemaphore::cleanHandle semctl failed.");
-#endif
-            }
-            semaphore = -1;
-        }
-        createdSemaphore = false;
-    }
-}
-
-/*!
-    \internal
- */
-bool QSystemSemaphorePrivate::modifySemaphore(int count)
-{
-    if (-1 == handle())
-        return false;
-
-    struct sembuf operation;
-    operation.sem_num = 0;
-    operation.sem_op = count;
-    operation.sem_flg = SEM_UNDO;
-
-    int res;
-    EINTR_LOOP(res, semop(semaphore, &operation, 1));
-    if (-1 == res) {
-        // If the semaphore was removed be nice and create it and then modifySemaphore again
-        if (errno == EINVAL || errno == EIDRM) {
-            semaphore = -1;
-            cleanHandle();
-            handle();
-            return modifySemaphore(count);
-        }
-        setErrorString("QSystemSemaphore::modifySemaphore"_L1);
-#if defined QSYSTEMSEMAPHORE_DEBUG
-        qDebug("QSystemSemaphore::modify failed %d %d %d %d %d",
-               count, int(semctl(semaphore, 0, GETVAL)), int(errno), int(EIDRM), int(EINVAL);
-#endif
-        return false;
-    }
-
-    clearError();
-    return true;
-}
-
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_SYSTEMSEMAPHORE
-
-#endif // QT_POSIX_IPC