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Fix LXC.list_containers to release GIL

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This commit is contained in:
John Keiser 2014-03-25 13:20:20 -07:00
parent 4f580efe8a
commit 0070e047e5
2 changed files with 47 additions and 26 deletions
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72
ext/lxc/lxc.c
View file

@ -162,6 +162,29 @@ lxc_version(VALUE self)
return rb_str_new2(lxc_get_version());
}
struct list_containers_outside_gil_args
{
int active;
int defined;
char *config;
char **names;
};
static VALUE
list_containers_outside_gil(void *args_void)
{
struct list_containers_outside_gil_args *args = (struct list_containers_outside_gil_args *)args_void;
int num_containers = 0;
args->names = NULL;
if (args->active && args->defined)
num_containers = list_all_containers(args->config, &args->names, NULL);
else if (args->active)
num_containers = list_active_containers(args->config, &args->names, NULL);
else if (args->defined)
num_containers = list_defined_containers(args->config, &args->names, NULL);
return INT2NUM(num_containers);
}
/*
* call-seq:
* LXC.list_containers([opts])
@ -176,36 +199,33 @@ static VALUE
lxc_list_containers(int argc, VALUE *argv, VALUE self)
{
int i, num_containers;
int active, defined;
char *config;
char **names;
VALUE rb_active, rb_defined, rb_config;
VALUE rb_opts;
VALUE rb_containers;
struct list_containers_outside_gil_args args;
rb_scan_args(argc, argv, "01", &rb_opts);
if (NIL_P(rb_opts)) {
active = 1;
defined = 1;
config = NULL;
} else {
Check_Type(rb_opts, T_HASH);
rb_active = rb_hash_aref(rb_opts, SYMBOL("active"));
active = (rb_active != Qnil) && (rb_active != Qfalse);
rb_defined = rb_hash_aref(rb_opts, SYMBOL("defined"));
defined = (rb_defined != Qnil) && (rb_defined != Qfalse);
rb_config = rb_hash_aref(rb_opts, SYMBOL("config_path"));
config = NIL_P(rb_config) ? NULL : StringValuePtr(rb_config);
}
args.active = 1;
args.defined = 1;
args.config = NULL;
num_containers = 0;
if (active && defined)
num_containers = list_all_containers(config, &names, NULL);
else if (active)
num_containers = list_active_containers(config, &names, NULL);
else if (defined)
num_containers = list_defined_containers(config, &names, NULL);
if (!NIL_P(rb_opts)) {
Check_Type(rb_opts, T_HASH);
rb_active = rb_hash_aref(rb_opts, SYMBOL("active"));
if (!NIL_P(rb_active))
args.active = rb_active != Qfalse;
rb_defined = rb_hash_aref(rb_opts, SYMBOL("defined"));
if (!NIL_P(rb_defined))
args.defined = rb_defined != Qfalse;
rb_config = rb_hash_aref(rb_opts, SYMBOL("config_path"));
if (!NIL_P(rb_config))
args.config = StringValuePtr(rb_config);
}
num_containers = NUM2INT(rb_thread_blocking_region(list_containers_outside_gil, &args, NULL, NULL));
if (num_containers < 0)
rb_raise(Error, "failure to list containers");
@ -215,10 +235,10 @@ lxc_list_containers(int argc, VALUE *argv, VALUE self)
* ie, don't use free_c_string_array().
*/
for (i = 0; i < num_containers; i++) {
rb_ary_store(rb_containers, i, rb_str_new2(names[i]));
free(names[i]);
rb_ary_store(rb_containers, i, rb_str_new2(args.names[i]));
free(args.names[i]);
}
free(names);
free(args.names);
return rb_containers;
}

1
test/test_lxc_created.rb
View file

@ -45,6 +45,7 @@ class TestLXCCreated < Test::Unit::TestCase
end
def test_container_rename
@container.stop if @container.running?
renamed = @container.rename(@new_name)
assert_equal(@new_name, renamed.name)
rerenamed = renamed.rename(@name)