From 93aa95d8c48ec7911388d7675ed2caf8f11e1d1a Mon Sep 17 00:00:00 2001
From: ridiculousfish <corydoras@ridiculousfish.com>
Date: Sat, 3 Nov 2018 19:28:16 -0700
Subject: [PATCH] Remove proc_last_bg_pid

It wasn't used.
---
 src/exec.cpp | 3 +--
 src/proc.cpp | 1 -
 src/proc.h   | 3 ---
 3 files changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/exec.cpp b/src/exec.cpp
index cb86c56e4..5f981889b 100644
--- a/src/exec.cpp
+++ b/src/exec.cpp
@@ -1101,8 +1101,7 @@ void exec_job(parser_t &parser, shared_ptr<job_t> j) {
 
     j->set_flag(job_flag_t::CONSTRUCTED, true);
     if (!j->is_foreground()) {
-        proc_last_bg_pid = j->pgid;
-        env_set(L"last_pid", ENV_GLOBAL, { to_string(proc_last_bg_pid) });
+        env_set_one(L"last_pid", ENV_GLOBAL, to_string(j->pgid));
     }
 
     if (job_pushed) {
diff --git a/src/proc.cpp b/src/proc.cpp
index 9fb4564ec..1bc4f266c 100644
--- a/src/proc.cpp
+++ b/src/proc.cpp
@@ -83,7 +83,6 @@ bool is_block = false;
 bool is_breakpoint = false;
 bool is_login = false;
 int is_event = false;
-pid_t proc_last_bg_pid = 0;
 int job_control_mode = JOB_CONTROL_INTERACTIVE;
 int no_exec = 0;
 
diff --git a/src/proc.h b/src/proc.h
index 6612b2bab..81abc69d2 100644
--- a/src/proc.h
+++ b/src/proc.h
@@ -327,9 +327,6 @@ class job_iterator_t {
 bool get_proc_had_barrier();
 void set_proc_had_barrier(bool flag);
 
-/// Pid of last process started in the background.
-extern pid_t proc_last_bg_pid;
-
 /// The current job control mode.
 ///
 /// Must be one of JOB_CONTROL_ALL, JOB_CONTROL_INTERACTIVE and JOB_CONTROL_NONE.