Merge branch 'sverk/threadsafe-code-loading'

* sverk/threadsafe-code-loading: (59 commits)
  erts: Fix assert failure when code_server exits "during" commit
  erts: Fix memory leak in code loading
  erts: Adapt gdb etp-command for new beam_ranges
  erts: Set correct default tracing when loading code
  erts: Fix faulty assert in non-smp debug vm
  erts: Use correct macro for "yield-return"
  erts: Refactor code loading with renaming
  erts: Seize code_ix lock when updating trace settings
  erts: Switch order between code_ix lock and thread blocking
  erts: Fix race bug in finish_after_on_load
  erts: Refactor export staging lock
  erts: Activate staged code in a thread safe way
  erts: Suspend processes waiting for code_ix lock
  erts: Fix compiler warning in inet_drv
  erts: Fix single threaded fallback in new BIF finish_loading_1
  erts: Fix type bug
  Break apart erlang:load_module/2 into two separate BIFs
  Use magic binaries in erts_prepare_loading() and erts_finish_loading()
  erts: Cleanup non-blocking load
  erts: Fix memory query for non-blocking module table
  ...

OTP-9974

1 files changed, 6 insertions, 2 deletions

diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 717315d8bd..4db23a0a18 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -264,6 +264,7 @@ erl_init(int ncpu)
     erts_init_trace();
     erts_init_binary();
     erts_init_bits();
+    erts_code_ix_init();
     erts_init_fun_table();
     init_atom_table();
     init_export_table();
@@ -352,7 +353,8 @@ erl_first_process_otp(char* modname, void* code, unsigned size, int argc, char**
     Eterm env;
     
     start_mod = am_atom_put(modname, sys_strlen(modname));
-    if (erts_find_function(start_mod, am_start, 2) == NULL) {
+    if (erts_find_function(start_mod, am_start, 2,
+			   erts_active_code_ix()) == NULL) {
 	erl_exit(5, "No function %s:start/2\n", modname);
     }
 
@@ -451,7 +453,7 @@ load_preloaded(void)
 	if ((code = sys_preload_begin(&preload_p[i])) == 0)
 	    erl_exit(1, "Failed to find preloaded code for module %s\n", 
 		     name);
-	res = erts_load_module(NULL, 0, NIL, &module_name, code, length);
+	res = erts_preload_module(NULL, 0, NIL, &module_name, code, length);
 	sys_preload_end(&preload_p[i]);
 	if (res != NIL)
 	    erl_exit(1,"Failed loading preloaded module %s (%T)\n",
@@ -1471,6 +1473,8 @@ erl_start(int argc, char **argv)
 
     init_shared_memory(boot_argc, boot_argv);
     load_preloaded();
+    erts_end_staging_code_ix();
+    erts_commit_staging_code_ix();
 
     erts_initialized = 1;