diff options
author | Thiago Macieira <thiago.macieira@intel.com> | 2021-02-18 09:22:09 -0800 |
---|---|---|
committer | Thiago Macieira <thiago.macieira@intel.com> | 2021-02-18 12:34:17 -0800 |
commit | 31bb141aed52549fae52f2156ac66bd2647cad16 (patch) | |
tree | 5662493d18c0dfe4cff34a5ab9d329b92d4208fc | |
parent | e274d56effc13e4ba7c5fcec783c3227551551c6 (diff) |
QProcess::startDetached/Unix: move up the chdir() and remove qWarning
That qWarning cannot be in the child process (we don't know if a user
logger is fork-no-exec-safe) and the failure to chdir() should be
reported as a failure in QProcess::startDetached() instead.
Change-Id: Ic90d8429a0eb4837971dfffd1664e7577c81610b
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Reviewed-by: David Llewellyn-Jones <david.llewellyn-jones@jolla.com>
-rw-r--r-- | src/corelib/io/qprocess_unix.cpp | 12 | ||||
-rw-r--r-- | tests/auto/corelib/io/qprocess/tst_qprocess.cpp | 15 |
2 files changed, 21 insertions, 6 deletions
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp index 3d223bb725..b6757e5b79 100644 --- a/src/corelib/io/qprocess_unix.cpp +++ b/src/corelib/io/qprocess_unix.cpp @@ -916,18 +916,18 @@ bool QProcessPrivate::startDetached(qint64 *pid) qt_safe_close(startedPipe[0]); qt_safe_close(pidPipe[0]); - pid_t doubleForkPid = fork(); + pid_t doubleForkPid = 0; + if (!encodedWorkingDirectory.isEmpty()) + doubleForkPid = QT_CHDIR(encodedWorkingDirectory.constData()); + + if (doubleForkPid == 0) + doubleForkPid = fork(); if (doubleForkPid == 0) { qt_safe_close(pidPipe[1]); // Render channels configuration. commitChannels(); - if (!encodedWorkingDirectory.isEmpty()) { - if (QT_CHDIR(encodedWorkingDirectory.constData()) == -1) - qWarning("QProcessPrivate::startDetached: failed to chdir to %s", encodedWorkingDirectory.constData()); - } - char **argv = new char *[arguments.size() + 2]; for (int i = 0; i < arguments.size(); ++i) argv[i + 1] = ::strdup(QFile::encodeName(arguments.at(i)).constData()); diff --git a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp index 82a2cb1254..e68fccf4be 100644 --- a/tests/auto/corelib/io/qprocess/tst_qprocess.cpp +++ b/tests/auto/corelib/io/qprocess/tst_qprocess.cpp @@ -118,6 +118,7 @@ private slots: void discardUnwantedOutput(); void setWorkingDirectory(); void setNonExistentWorkingDirectory(); + void detachedSetNonExistentWorkingDirectory(); void exitStatus_data(); void exitStatus(); @@ -2266,6 +2267,20 @@ void tst_QProcess::setNonExistentWorkingDirectory() #endif } +void tst_QProcess::detachedSetNonExistentWorkingDirectory() +{ + QProcess process; + process.setWorkingDirectory("this/directory/should/not/exist/for/sure"); + + // use absolute path because on Windows, the executable is relative to the parent's CWD + // while on Unix with fork it's relative to the child's (with posix_spawn, it could be either). + process.setProgram(QFileInfo("testSetWorkingDirectory/testSetWorkingDirectory").absoluteFilePath()); + + qint64 pid = -1; + QVERIFY(!process.startDetached(&pid)); + QCOMPARE(pid, -1); +} + void tst_QProcess::startFinishStartFinish() { QProcess process; |