jyapayne/Simple-Web-Server
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ScopeRunner::stop now returns if count is already negative

Browse source
This commit is contained in:
eidheim 2017-07-20 18:32:35 +02:00
commit e3789b6d4d
2 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tests/io_test.cpp
View file

@ -39,6 +39,8 @@ int main() {
assert(scope_runner.count == -1); assert(scope_runner.count == -1);
auto lock = scope_runner.continue_lock(); auto lock = scope_runner.continue_lock();
assert(!lock); assert(!lock);
scope_runner.stop();
assert(scope_runner.count == -1);
scope_runner.count = 0; scope_runner.count = 0;

2
utility.hpp
View file

@ -289,6 +289,8 @@ namespace SimpleWeb {
void stop() { void stop() {
long expected = 0; long expected = 0;
while(!count.compare_exchange_weak(expected, -1)) { while(!count.compare_exchange_weak(expected, -1)) {
if(expected < 0)
return;
expected = 0; expected = 0;
spin_loop_pause(); spin_loop_pause();
} }