diff options
| author | Thiago Macieira <thiago.macieira@intel.com> | 2017-08-25 10:34:53 -0700 |
|---|---|---|
| committer | Thiago Macieira <thiago.macieira@intel.com> | 2017-08-29 03:49:05 +0000 |
| commit | 9f5aec777a27d701e364bb7596ba65e825098eb7 (patch) | |
| tree | 9b813551f876c7da85c0d223a1a397c768ae0db7 /src/corelib | |
| parent | d61e61fa1a98fca48e35338a5672f586a1d31143 (diff) | |
QProcess: add docs that the PID from startDetached() may be recycled
Change-Id: I209fcd5dbc2b4e5381cffffd14de2742eb1d8cd7
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/io/qprocess.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp index 4e106691f7..1bb3362d5e 100644 --- a/src/corelib/io/qprocess.cpp +++ b/src/corelib/io/qprocess.cpp @@ -2121,8 +2121,12 @@ void QProcess::start(OpenMode mode) \note On QNX, this may cause all application threads to temporarily freeze. - If the function is successful then *\a pid is set to the process - identifier of the started process. + If the function is successful then *\a pid is set to the process identifier + of the started process. Note that the child process may exit and the PID + may become invalid without notice. Furthermore, after the child process + exits, the same PID may be recycled and used by a completely different + process. User code should be careful when using this variable, especially + if one intends to forcibly terminate the process by operating system means. Only the following property setters are supported by startDetached(): \list |