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| -rw-r--r-- | Help/command/execute_process.rst | 15 |
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 |