diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/open3.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/open3.rb b/lib/open3.rb index 3824c81378..5efcb173cc 100644 --- a/lib/open3.rb +++ b/lib/open3.rb @@ -64,10 +64,13 @@ module Open3 # # Open stdin, stdout, and stderr streams and start external executable. # In addition, a thread for waiting the started process is noticed. + # The thread has a thread variable :pid which is the pid of the started + # process. # # Non-block form: # # stdin, stdout, stderr, wait_thr = Open3.popen3w(cmd) + # pid = wait_thr[:pid] # pid of the started process. # ... # stdin.close # stdin, stdout and stderr should be closed in this form. # stdout.close |