subshell_pid      195 src/subshell/common.c static pid_t subshell_pid = 1;
subshell_pid      506 src/subshell/common.c     kill (subshell_pid, SIGCONT);
subshell_pid     1406 src/subshell/common.c     subshell_pid = fork ();
subshell_pid     1408 src/subshell/common.c     if (subshell_pid == -1)
subshell_pid     1416 src/subshell/common.c     if (subshell_pid == 0)
subshell_pid     1842 src/subshell/common.c     pid = waitpid (subshell_pid, &status, WUNTRACED | WNOHANG);
subshell_pid     1844 src/subshell/common.c     if (pid == subshell_pid)
subshell_pid     1858 src/subshell/common.c                 kill (subshell_pid, SIGCONT);