bash waitpid function: Simplify wait loop

1 files changed, 1 insertions, 4 deletions

diff --git a/posts/bash:waitpid_function.rst b/posts/bash:waitpid_function.rst
index e08fbfe..350dee6 100644
--- a/posts/bash:waitpid_function.rst
+++ b/posts/bash:waitpid_function.rst
@@ -101,13 +101,10 @@ as posix c and glibc. That said, let's write our own for bash.
     [ -z "${_pid}" ] && printf "Pid required\n" && return 1
     [ -z "${_threshold}" ] && printf "Wait threshold required\n" && return 1
 
-    # Check now for immediate return
-    [ ! -d "/proc/${_pid}" ] && return 0
-
     # Check every second up to the threshold wait time
     for (( i=0; i<${_threshold}; i++ )); do
-      sleep 1
       [ ! -d "/proc/${_pid}" ] && return 0
+      sleep 1
     done
     return 1
   }