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authorBrad King <brad.king@kitware.com>2019-03-21 13:46:44 (GMT)
committerKitware Robot <kwrobot@kitware.com>2019-03-21 13:47:20 (GMT)
commit1e9cb46c8a9c78261d22ad40af5aff1635b919cf (patch)
treeb8ca0714d2cccd9267405b550c65e4fd79e4bf16 /Help
parent58b83f24c7a3cff8fabc175ea85e24bc0543ba42 (diff)
parent0295b153f4ee0506f1b23f5b941cfd28ee7201db (diff)
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Merge topic 'timeout'
0295b153f4 Help: describe the command pipeline of execute_process more explicitly 33efdfc0b5 Help: improve source formatting cd524c1c33 Help: describe what happens if command execute_process reaches timeout. Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !3129
Diffstat (limited to 'Help')
-rw-r--r--Help/command/execute_process.rst15
1 files changed, 9 insertions, 6 deletions
diff --git a/Help/command/execute_process.rst b/Help/command/execute_process.rst
index 3a56dce..2d71352 100644
--- a/Help/command/execute_process.rst
+++ b/Help/command/execute_process.rst
@@ -22,7 +22,9 @@ Execute one or more child processes.
[ERROR_STRIP_TRAILING_WHITESPACE]
[ENCODING <name>])
-Runs the given sequence of one or more commands in parallel with the standard
+Runs the given sequence of one or more commands.
+
+Commands are executed concurrently as a pipeline, with the standard
output of each process piped to the standard input of the next.
A single standard error pipe is used for all processes.
@@ -46,8 +48,9 @@ Options:
the child processes.
``TIMEOUT``
- The child processes will be terminated if they do not finish in the
- specified number of seconds (fractions are allowed).
+ After the specified number of seconds (fractions allowed), all unfinished
+ child processes will be terminated, and the ``RESULT_VARIABLE`` will be
+ set to a string mentioning the "timeout".
``RESULT_VARIABLE``
The variable will be set to contain the result of last child process.
@@ -56,9 +59,9 @@ Options:
``RESULTS_VARIABLE <variable>``
The variable will be set to contain the result of all processes as a
- :ref:`semicolon-separated list <CMake Language Lists>`, in order of the given ``COMMAND``
- arguments. Each entry will be an integer return code from the
- corresponding child or a string describing an error condition.
+ :ref:`semicolon-separated list <CMake Language Lists>`, in order of the
+ given ``COMMAND`` arguments. Each entry will be an integer return code
+ from the corresponding child or a string describing an error condition.
``OUTPUT_VARIABLE``, ``ERROR_VARIABLE``
The variable named will be set with the contents of the standard output