diff -up ./plugins/sudoers/def_data.c.nowait ./plugins/sudoers/def_data.c
--- ./plugins/sudoers/def_data.c.nowait	2019-10-30 13:43:48.376168944 +0100
+++ ./plugins/sudoers/def_data.c	2019-10-30 13:43:48.378168973 +0100
@@ -510,6 +510,10 @@ struct sudo_defs_types sudo_defs_table[]
 	N_("Don't pre-resolve all group names"),
 	NULL,
     }, {
+	"cmnd_no_wait", T_FLAG,
+	N_("Don't fork and wait for the command to finish, just exec it"),
+	NULL,
+    }, {
 	NULL, 0, NULL
     }
 };
diff -up ./plugins/sudoers/def_data.h.nowait ./plugins/sudoers/def_data.h
--- ./plugins/sudoers/def_data.h.nowait	2019-10-30 13:43:48.378168973 +0100
+++ ./plugins/sudoers/def_data.h	2019-10-30 13:45:38.425770365 +0100
@@ -234,6 +234,8 @@
 #define def_log_denied          (sudo_defs_table[I_LOG_DENIED].sd_un.flag)
 #define I_LEGACY_GROUP_PROCESSING 117
 #define def_legacy_group_processing (sudo_defs_table[I_LEGACY_GROUP_PROCESSING].sd_un.flag)
+#define I_CMND_NO_WAIT          118
+#define def_cmnd_no_wait        (sudo_defs_table[I_CMND_NO_WAIT].sd_un.flag)
 
 enum def_tuple {
 	never,
diff -up ./plugins/sudoers/def_data.in.nowait ./plugins/sudoers/def_data.in
--- ./plugins/sudoers/def_data.in.nowait	2019-10-30 13:43:48.376168944 +0100
+++ ./plugins/sudoers/def_data.in	2019-10-30 13:43:48.379168987 +0100
@@ -369,3 +369,6 @@ log_denied
 legacy_group_processing
 	T_FLAG
 	"Don't pre-resolve all group names"
+cmnd_no_wait
+	T_FLAG
+	"Don't fork and wait for the command to finish, just exec it"
diff -up ./plugins/sudoers/sudoers.c.nowait ./plugins/sudoers/sudoers.c
--- ./plugins/sudoers/sudoers.c.nowait	2019-10-30 13:43:48.376168944 +0100
+++ ./plugins/sudoers/sudoers.c	2019-10-30 13:43:48.379168987 +0100
@@ -225,6 +225,20 @@ sudoers_policy_init(void *info, char * c
         def_match_group_by_gid = false;
 	def_legacy_group_processing = false;
     }
+
+    /*
+     * Emulate cmnd_no_wait option by disabling PAM session, PTY allocation
+     * and I/O logging. This will cause sudo to execute the given command
+     * directly instead of forking a separate process for it.
+     */
+    if (def_cmnd_no_wait) {
+        def_pam_setcred = false;
+        def_pam_session = false;
+        def_use_pty = false;
+        def_log_input = false;
+        def_log_output = false;
+    }
+
 cleanup:
     if (!restore_perms())
 	ret = -1;