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Diffstat (limited to 'src/corelib/io/qprocess.cpp')
| -rw-r--r-- | src/corelib/io/qprocess.cpp | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp index 41a7fffd8bd..7f3cc7bd894 100644 --- a/src/corelib/io/qprocess.cpp +++ b/src/corelib/io/qprocess.cpp @@ -1588,15 +1588,6 @@ std::function<void(void)> QProcess::childProcessModifier() const "async-signal-safe" is advised). Most of the Qt API is unsafe inside this callback, including qDebug(), and may lead to deadlocks. - \note On some systems (notably, Linux), QProcess will use \c{vfork()} - semantics to start the child process, so this function must obey even - stricter constraints. First, because it is still sharing memory with the - parent process, it must not write to any non-local variable and must obey - proper ordering semantics when reading from them, to avoid data races. - Second, even more library functions may misbehave; therefore, this function - should only make use of low-level system calls, such as \c{read()}, - \c{write()}, \c{setsid()}, \c{nice()}, and similar. - \sa childProcessModifier() */ void QProcess::setChildProcessModifier(const std::function<void(void)> &modifier) |