From 6c2ba1325ddcb52d44cd2ffccbdf6a4bb2853365 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 22 Oct 2016 15:44:48 -0400
Subject: daemon service routine: set daemon status using atomic updates.

---
 src/daemon/ntapi_dsr_init.c | 51 +++++++++++++++++++++++++++++++++++++--------
 1 file changed, 42 insertions(+), 9 deletions(-)

(limited to 'src/daemon/ntapi_dsr_init.c')

diff --git a/src/daemon/ntapi_dsr_init.c b/src/daemon/ntapi_dsr_init.c
index 58888ed..f028efd 100644
--- a/src/daemon/ntapi_dsr_init.c
+++ b/src/daemon/ntapi_dsr_init.c
@@ -4,6 +4,7 @@
 /*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
 /********************************************************/
 
+#include <ntapi/nt_atomic.h>
 #include <ntapi/nt_status.h>
 #include <ntapi/nt_thread.h>
 #include <ntapi/nt_port.h>
@@ -20,6 +21,19 @@ int32_t __stdcall __ntapi_dsr_init(nt_daemon_params * params)
 	nt_thread_params	tparams;
 	nt_large_integer	timeout;
 
+	/* report status */
+	at_store_32(
+		&params->exit_code_daemon_loop,
+		NT_STATUS_PENDING);
+
+	at_store_32(
+		&params->exit_code_daemon_start,
+		NT_STATUS_PENDING);
+
+	at_store_32(
+		&params->exit_code_internal_client,
+		NT_STATUS_PENDING);
+
 	/* port_keys */
 	if (params->flags & NT_DSR_INIT_GENERATE_KEYS)
 		if ((status = __ntapi->tt_port_generate_keys(params->port_keys)))
@@ -141,6 +155,10 @@ int32_t __stdcall __ntapi_dsr_start_impl(nt_daemon_params * params)
 
 int32_t __stdcall __ntapi_dsr_start(nt_daemon_params * params)
 {
+	at_store_32(
+		&params->exit_code_daemon_loop,
+		NT_STATUS_MORE_PROCESSING_REQUIRED);
+
 	return __ntapi->zw_terminate_thread(
 		NT_CURRENT_THREAD_HANDLE,
 		__ntapi_dsr_start_impl(params));
@@ -156,21 +174,32 @@ static int32_t __stdcall __ntapi_dsr_once(nt_daemon_params * params)
 		return NT_STATUS_SUCCESS;
 
 	if ((status = params->daemon_once_routine(params->daemon_loop_context)))
-		params->exit_code_daemon_start = status;
+		at_store_32(
+			&params->exit_code_daemon_start,
+			status);
 
 	return status;
 }
 
 /* __ntapi_dsr_create_port executes in the daemon's dedicated thread */
+static int32_t __stdcall __ntapi_dsr_create_port_exit(
+	nt_daemon_params *	params,
+	int32_t			status)
+{
+	at_store_32(
+		&params->exit_code_daemon_start,
+		status);
+
+	return status;
+}
+
 int32_t __stdcall __ntapi_dsr_create_port(nt_daemon_params * params)
 {
-	int32_t *			pstatus;
+	int32_t				status;
 	nt_object_attributes		oa;
 	nt_security_quality_of_service	sqos;
 	nt_unicode_string		server_name;
 
-	pstatus = &params->exit_code_daemon_start;
-
 	/* init server_name */
 	server_name.strlen = (uint16_t)__ntapi->tt_string_null_offset_short((const int16_t *)params->port_name);
 	server_name.maxlen = 0;
@@ -191,20 +220,24 @@ int32_t __stdcall __ntapi_dsr_create_port(nt_daemon_params * params)
 	oa.sec_qos	= &sqos;
 
 	/* create the port */
-	if ((*pstatus = __ntapi->zw_create_port(
+	if ((status = __ntapi->zw_create_port(
 			&params->hport_daemon,
 			&oa,0,(uint32_t)params->port_msg_size,
 			0)))
-		return *pstatus;
+		return __ntapi_dsr_create_port_exit(
+			params,status);
 
 	/* return port info */
 	if (params->pport_daemon)
-		*(params->pport_daemon) = params->hport_daemon;
+		at_store(
+			(intptr_t *)params->pport_daemon,
+			(intptr_t)params->hport_daemon);
 
 	/* signal the daemon-is-ready event */
-	*pstatus = __ntapi->zw_set_event(
+	status = __ntapi->zw_set_event(
 		params->hevent_daemon_ready,
 		(int32_t *)0);
 
-	return *pstatus;
+	return __ntapi_dsr_create_port_exit(
+		params,status);
 }
-- 
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