From f67c207318b2f2e39d67dfbae582186cffa99666 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Wed, 13 Jul 2016 21:05:48 -0400
Subject: driver: added --daemon support.

---
 include/ptycon/ptycon.h           | 2 ++
 src/driver/ptyc_driver_ctx.c      | 9 +++++++++
 src/internal/ptycon_driver_impl.h | 1 +
 src/skin/ptyc_skin_default.c      | 7 +++++++
 4 files changed, 19 insertions(+)

diff --git a/include/ptycon/ptycon.h b/include/ptycon/ptycon.h
index f53c764..b02ddf8 100644
--- a/include/ptycon/ptycon.h
+++ b/include/ptycon/ptycon.h
@@ -39,6 +39,8 @@ extern "C" {
 #define PTYC_DRIVER_DBG_OVEN		0x0080
 #define PTYC_DRIVER_DBG_RAW		0x0100
 #define PTYC_DRIVER_DBG_WAIT		0x0200
+#define PTYC_DRIVER_DAEMON_ALWAYS	0x1000
+#define PTYC_DRIVER_DAEMON_NEVER	0x2000
 
 struct ptyc_source_version {
 	int		major;
diff --git a/src/driver/ptyc_driver_ctx.c b/src/driver/ptyc_driver_ctx.c
index 7b0b596..4129cf5 100644
--- a/src/driver/ptyc_driver_ctx.c
+++ b/src/driver/ptyc_driver_ctx.c
@@ -204,6 +204,15 @@ int ptyc_get_driver_ctx(
 					cctx.drvflags |= PTYC_DRIVER_VERSION;
 					break;
 
+				case TAG_DAEMON:
+					if (!strcmp("always",entry->arg))
+						cctx.drvflags |= PTYC_DRIVER_DAEMON_ALWAYS;
+
+					else if (!strcmp("never",entry->arg))
+						cctx.drvflags |= PTYC_DRIVER_DAEMON_NEVER;
+
+					break;
+
 				case TAG_DEBUG:
 					if (!entry->arg) {
 						cctx.drvflags |= PTYC_DRIVER_DBG_EVENT;
diff --git a/src/internal/ptycon_driver_impl.h b/src/internal/ptycon_driver_impl.h
index 13a2e35..b1eefc7 100644
--- a/src/internal/ptycon_driver_impl.h
+++ b/src/internal/ptycon_driver_impl.h
@@ -24,6 +24,7 @@ extern   const gdi_vtbl *   const ptyc_gdi;
 enum app_tags {
 	TAG_HELP,
 	TAG_VERSION,
+	TAG_DAEMON,
 	TAG_DEBUG,
 	TAG_CAT,
 	TAG_WAIT,
diff --git a/src/skin/ptyc_skin_default.c b/src/skin/ptyc_skin_default.c
index 49033cc..1239947 100644
--- a/src/skin/ptyc_skin_default.c
+++ b/src/skin/ptyc_skin_default.c
@@ -8,6 +8,13 @@ const struct argv_option ptyc_default_options[] = {
 	{"help",		'h',TAG_HELP,ARGV_OPTARG_OPTIONAL,0,"short|long",0,
 				"show usage information [listing %s options only]"},
 
+	{"daemon",		0,TAG_DAEMON,ARGV_OPTARG_OPTIONAL,0,"default|always|never",0,
+				"create a daemon thread and handle signals sent by the "
+				"application's own controlling terminal. The default is "
+				"to create a daemon thread when ptycon runs as a stand-alone "
+				"program, and defer the task to the main utility in all other "
+				"cases."},
+
 	{"debug", 		'd',TAG_DEBUG,ARGV_OPTARG_OPTIONAL,0,
 				"event|oven|raw",0,
 				"start an internal thread for debugging purposes. "
-- 
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