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[tor-commits] [tor/master] sched: revisist compatibility on non-linux systems



commit 4bc97c6431a7609cd7e2f5b27238338bc9d2c7cd
Author: Matt Traudt <sirmatt@xxxxxxx>
Date:   Wed Sep 13 14:32:27 2017 -0400

    sched: revisist compatibility on non-linux systems
    
    Wrap things in HAVE_KIST_SUPPORT until Tor compiles and tests cleanly on
    my OS X machine.
---
 src/or/scheduler_kist.c   |  9 +++++++++
 src/test/test_scheduler.c | 26 ++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/src/or/scheduler_kist.c b/src/or/scheduler_kist.c
index 3c3d26ad5..0cedecd8f 100644
--- a/src/or/scheduler_kist.c
+++ b/src/or/scheduler_kist.c
@@ -17,8 +17,10 @@
 
 #define TLS_PER_CELL_OVERHEAD 29
 
+#ifdef HAVE_KIST_SUPPORT
 /* Kernel interface needed for KIST. */
 #include <linux/sockios.h>
+#endif /* HAVE_KIST_SUPPORT */
 
 /*****************************************************************************
  * Data structures and supporting functions
@@ -27,7 +29,9 @@
 /* Indicate if we don't have the kernel support. This can happen if the kernel
  * changed and it doesn't recognized the values passed to the syscalls needed
  * by KIST. In that case, fallback to the naive approach. */
+#ifdef HAVE_KIST_SUPPORT
 static unsigned int kist_no_kernel_support = 0;
+#endif /* HAVE_KIST_SUPPORT */
 
 /* Socket_table hash table stuff. The socket_table keeps track of per-socket
  * limit information imposed by kist and used by kist. */
@@ -182,6 +186,7 @@ free_socket_info_by_chan(socket_table_t *table, const channel_t *chan)
 MOCK_IMPL(void,
 update_socket_info_impl, (socket_table_ent_t *ent))
 {
+#ifdef HAVE_KIST_SUPPORT
   int64_t tcp_space, extra_space;
   const tor_socket_t sock =
     TO_CONN(BASE_CHAN_TO_TLS((channel_t *) ent->chan)->conn)->s;
@@ -244,6 +249,10 @@ update_socket_info_impl, (socket_table_ent_t *ent))
   ent->limit = tcp_space + extra_space;
   return;
 
+#else /* HAVE_KIST_SUPPORT */
+  goto fallback;
+#endif /* HAVE_KIST_SUPPORT */
+
  fallback:
   /* If all of a sudden we don't have kist support, we just zero out all the
    * variables for this socket since we don't know what they should be.
diff --git a/src/test/test_scheduler.c b/src/test/test_scheduler.c
index 680648344..7c24bf146 100644
--- a/src/test/test_scheduler.c
+++ b/src/test/test_scheduler.c
@@ -845,7 +845,9 @@ test_scheduler_channel_states(void *arg)
 {
   (void)arg;
   perform_channel_state_tests(-1); // vanilla
+#ifdef HAVE_KIST_SUPPORT
   perform_channel_state_tests(11); // kist
+#endif
 }
 
 static void
@@ -865,7 +867,11 @@ test_scheduler_initfree(void *arg)
   tt_ptr_op(run_sched_ev, !=, NULL);
   /* We have specified nothing in the torrc and there's no consensus so the
    * KIST scheduler is what should be in use */
+#ifdef HAVE_KIST_SUPPORT
   tt_ptr_op(the_scheduler, ==, get_kist_scheduler());
+#else
+  tt_ptr_op(the_scheduler, ==, get_vanilla_scheduler());
+#endif
   tt_int_op(sched_run_interval, ==, 10);
 
   scheduler_free_all();
@@ -901,7 +907,11 @@ test_scheduler_should_use_kist(void *arg)
   mocked_options.KISTSchedRunInterval = 1234;
   res_should = scheduler_should_use_kist();
   res_freq = kist_scheduler_run_interval(NULL);
+#ifdef HAVE_KIST_SUPPORT
   tt_int_op(res_should, ==, 1);
+#else /* HAVE_KIST_SUPPORT */
+  tt_int_op(res_should, ==, 0);
+#endif /* HAVE_KIST_SUPPORT */
   tt_int_op(res_freq, ==, 1234);
 
   /* Test defer to consensus, but no consensus available */
@@ -909,7 +919,11 @@ test_scheduler_should_use_kist(void *arg)
   mocked_options.KISTSchedRunInterval = 0;
   res_should = scheduler_should_use_kist();
   res_freq = kist_scheduler_run_interval(NULL);
+#ifdef HAVE_KIST_SUPPORT
   tt_int_op(res_should, ==, 1);
+#else /* HAVE_KIST_SUPPORT */
+  tt_int_op(res_should, ==, 0);
+#endif /* HAVE_KIST_SUPPORT */
   tt_int_op(res_freq, ==, 10);
 
   /* Test defer to consensus, and kist consensus available */
@@ -918,7 +932,11 @@ test_scheduler_should_use_kist(void *arg)
   mocked_options.KISTSchedRunInterval = 0;
   res_should = scheduler_should_use_kist();
   res_freq = kist_scheduler_run_interval(NULL);
+#ifdef HAVE_KIST_SUPPORT
   tt_int_op(res_should, ==, 1);
+#else /* HAVE_KIST_SUPPORT */
+  tt_int_op(res_should, ==, 0);
+#endif /* HAVE_KIST_SUPPORT */
   tt_int_op(res_freq, ==, 12);
   UNMOCK(networkstatus_get_param);
 
@@ -961,7 +979,11 @@ test_scheduler_ns_changed(void *arg)
   MOCK(networkstatus_get_param, mock_kist_networkstatus_get_param);
   scheduler_notify_networkstatus_changed(NULL, NULL);
   UNMOCK(networkstatus_get_param);
+#ifdef HAVE_KIST_SUPPORT
   tt_ptr_op(the_scheduler, ==, get_kist_scheduler());
+#else
+  tt_ptr_op(the_scheduler, ==, get_vanilla_scheduler());
+#endif
 
   /* Change from kist to vanilla via consensus */
   the_scheduler = get_kist_scheduler();
@@ -975,7 +997,11 @@ test_scheduler_ns_changed(void *arg)
   MOCK(networkstatus_get_param, mock_kist_networkstatus_get_param);
   scheduler_notify_networkstatus_changed(NULL, NULL);
   UNMOCK(networkstatus_get_param);
+#ifdef HAVE_KIST_SUPPORT
   tt_ptr_op(the_scheduler, ==, get_kist_scheduler());
+#else
+  tt_ptr_op(the_scheduler, ==, get_vanilla_scheduler());
+#endif
 
   /* Doesn't change when using vanilla */
   the_scheduler = get_vanilla_scheduler();



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