Mercurial > hg > octave-thorsten
changeset 9563:f5c28d8f5147
syscalls.cc: Recommend waitpid() in popen2() documentation.
| author | Rob Mahurin <rob@utk.edu> |
|---|---|
| date | Wed, 26 Aug 2009 01:50:59 -0400 |
| parents | b8db3595f706 |
| children | 9e4333169eae |
| files | src/ChangeLog src/syscalls.cc |
| diffstat | 2 files changed, 12 insertions(+), 3 deletions(-) [+] |
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--- a/src/ChangeLog +++ b/src/ChangeLog @@ -2,6 +2,10 @@ * data.cc (Ffmod): Reverse order of args. +2009-08-26 Rob Mahurin <rob@utk.edu> + + * syscalls.cc: Recommend waitpid() in popen2() documentation. + 2009-08-25 John W. Eaton <jwe@octave.org> * graphics.cc (gnuplot_backend::send_quit): Wait for gnuplot process.
--- a/src/syscalls.cc +++ b/src/syscalls.cc @@ -252,11 +252,16 @@ endif\n\ until (done)\n\ fclose (out);\n\ - @print{} are\n\ - @print{} some\n\ +waitpid (pid);\n\ + @print{} these\n\ @print{} strings\n\ - @print{} these\n\ + @print{} some\n\ + @print{} are\n\ @end example\n\ +\n\ +Note that @code{popen2}, unlike @code{popen}, will not \"reap\" the\n\ +child process. If you don't use @code{waitpid} to check the child's\n\ +exit status, it will linger until Octave exits. @end deftypefn") { octave_value_list retval;