From 0238db34853380280ccf164918ebbb28260f4629 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 27 Feb 2012 11:00:10 +0000
Subject: enabling use of pipes for signal communication also on UNIX to enable
 future integration with Java services

---
 src/arm/arm_api.c            |  6 ++++--
 src/arm/do_start_process.c   |  5 +++--
 src/arm/gnunet-service-arm.c | 17 +++++++++++++++--
 3 files changed, 22 insertions(+), 6 deletions(-)

(limited to 'src/arm')

diff --git a/src/arm/arm_api.c b/src/arm/arm_api.c
index 12395fea9..0f4ae6a4f 100644
--- a/src/arm/arm_api.c
+++ b/src/arm/arm_api.c
@@ -410,7 +410,8 @@ arm_service_report (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     {
       /* Means we are ONLY running locally */
       /* we're clearly running a test, don't daemonize */
-      proc = do_start_process (NULL, loprefix, binary, "-c", config,
+      proc = do_start_process (GNUNET_NO,
+			       NULL, loprefix, binary, "-c", config,
 #if DEBUG_ARM
 			       "-L", "DEBUG",
 #endif
@@ -419,7 +420,8 @@ arm_service_report (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
     }
   else
     {
-      proc = do_start_process (NULL, loprefix, binary, "-c", config,
+      proc = do_start_process (GNUNET_NO,
+			       NULL, loprefix, binary, "-c", config,
 #if DEBUG_ARM
 			       "-L", "DEBUG",
 #endif
diff --git a/src/arm/do_start_process.c b/src/arm/do_start_process.c
index fd7fc17ed..865ea8e7d 100644
--- a/src/arm/do_start_process.c
+++ b/src/arm/do_start_process.c
@@ -13,7 +13,8 @@
  * @return handle of the started process, NULL on error
  */
 static struct GNUNET_OS_Process *
-do_start_process (const SOCKTYPE * lsocks, const char *first_arg, ...)
+do_start_process (int pipe_control,
+		  const SOCKTYPE * lsocks, const char *first_arg, ...)
 {
   va_list ap;
   char **argv;
@@ -95,7 +96,7 @@ do_start_process (const SOCKTYPE * lsocks, const char *first_arg, ...)
 /* *INDENT-ON* */
   va_end (ap);
   argv[argv_size] = NULL;
-  proc = GNUNET_OS_start_process_v (lsocks, argv[0], argv);
+  proc = GNUNET_OS_start_process_v (pipe_control, lsocks, argv[0], argv);
   while (argv_size > 0)
     GNUNET_free (argv[--argv_size]);
   GNUNET_free (argv);
diff --git a/src/arm/gnunet-service-arm.c b/src/arm/gnunet-service-arm.c
index 064cb9777..f4430ed0c 100644
--- a/src/arm/gnunet-service-arm.c
+++ b/src/arm/gnunet-service-arm.c
@@ -152,6 +152,11 @@ struct ServiceList
    */
   int is_default;
 
+  /**
+   * Should we use pipes to signal this process? (YES for Java binaries and if we
+   * are on Windoze).
+   */
+  int pipe_control;
 };
 
 /**
@@ -311,11 +316,13 @@ start_process (struct ServiceList *sl)
   GNUNET_assert (NULL == sl->proc);
   if (GNUNET_YES == use_debug)
     sl->proc =
-      do_start_process (lsocks, loprefix, sl->binary, "-c", sl->config, "-L",
+      do_start_process (sl->pipe_control,
+			lsocks, loprefix, sl->binary, "-c", sl->config, "-L",
 			"DEBUG", options, NULL);
   else
     sl->proc =
-      do_start_process (lsocks, loprefix, sl->binary, "-c", sl->config,
+      do_start_process (sl->pipe_control,
+			lsocks, loprefix, sl->binary, "-c", sl->config,
 			options, NULL);
   if (sl->proc == NULL)
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Failed to start service `%s'\n"),
@@ -1070,6 +1077,12 @@ setup_service (void *cls, const char *section)
   sl->config = config;
   sl->backoff = GNUNET_TIME_UNIT_MILLISECONDS;
   sl->restart_at = GNUNET_TIME_UNIT_FOREVER_ABS;
+#if WINDOWS
+  sl->pipe_control = GNUNET_YES;
+#else
+  if (GNUNET_CONFIGURATION_have_value (cfg, section, "PIPECONTROL"))
+    sl->pipe_control = GNUNET_CONFIGURATION_get_value_yesno (cfg, section, "PIPECONTROL");
+#endif  
   GNUNET_CONTAINER_DLL_insert (running_head, running_tail, sl);
   if (GNUNET_YES !=
       GNUNET_CONFIGURATION_get_value_yesno (cfg, section, "AUTOSTART"))
-- 
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