[tor-commits] [tor/master] Implement a function to list the subsystems to stdout.

[teor@xxxxxxxxxxxxxx]

commit 8f49943459564a59ca7f60476aef6b0ddd79a56c
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Mon Sep 30 10:05:42 2019 -0400

    Implement a function to list the subsystems to stdout.
---
 src/app/main/subsysmgr.c | 13 +++++++++++++
 src/app/main/subsysmgr.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/src/app/main/subsysmgr.c b/src/app/main/subsysmgr.c
index 5807cbbaa..4913949e2 100644
--- a/src/app/main/subsysmgr.c
+++ b/src/app/main/subsysmgr.c
@@ -294,6 +294,19 @@ subsystems_thread_cleanup(void)
 }
 
 /**
+ * Dump a human- and machine-readable list of all the subsystems to stdout,
+ * in their initialization order, prefixed with their level.
+ **/
+void
+subsystems_dump_list(void)
+{
+  for (unsigned i = 0; i < n_tor_subsystems - 1; ++i) {
+    const subsys_fns_t *sys = tor_subsystems[i];
+    printf("% 4d\t%s\n", sys->level, sys->name);
+  }
+}
+
+/**
  * Register all subsystem-declared options formats in <b>mgr</b>.
  *
  * Return 0 on success, -1 on failure.
diff --git a/src/app/main/subsysmgr.h b/src/app/main/subsysmgr.h
index 35635a756..ae0b3df46 100644
--- a/src/app/main/subsysmgr.h
+++ b/src/app/main/subsysmgr.h
@@ -31,6 +31,8 @@ void subsystems_prefork(void);
 void subsystems_postfork(void);
 void subsystems_thread_cleanup(void);
 
+void subsystems_dump_list(void);
+
 struct config_mgr_t;
 int subsystems_register_options_formats(struct config_mgr_t *mgr);
 int subsystems_register_state_formats(struct config_mgr_t *mgr);



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