diff options
Diffstat (limited to 'process.c')
| -rw-r--r-- | process.c | 10 |
1 files changed, 5 insertions, 5 deletions
@@ -4062,7 +4062,7 @@ rb_f_system(int argc, VALUE *argv) * :unsetenv_others => false : don't clear (default) * process group: * :pgroup => true or 0 : make a new process group - * :pgroup => pgid : join to specified process group + * :pgroup => pgid : join the specified process group * :pgroup => nil : don't change the process group (default) * create new process group: Windows only * :new_pgroup => true : the new process is the root process of a new process group @@ -4127,10 +4127,10 @@ rb_f_system(int argc, VALUE *argv) * pid = spawn({"FOO"=>"BAR"}, command, :unsetenv_others=>true) # FOO only * * The <code>:pgroup</code> key in +options+ specifies a process group. - * The corresponding value should be true, zero or positive integer. - * true and zero means the process should be a process leader of a new - * process group. - * Other values specifies a process group to be belongs. + * The corresponding value should be true, zero, a positive integer, or nil. + * true and zero cause the process to be a process leader of a new process group. + * A non-zero positive integer causes the process to join the provided process group. + * The default value, nil, causes the process to remain in the same process group. * * pid = spawn(command, :pgroup=>true) # process leader * pid = spawn(command, :pgroup=>10) # belongs to the process group 10 |