mirror of
https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-26 21:03:28 +01:00
Merge pull request #2977
c70e8daa
threadpool: fix deadlock in recursive waiter usage (moneromooo-monero)
This commit is contained in:
commit
aa4195e199
@ -34,6 +34,8 @@
|
|||||||
#include "cryptonote_config.h"
|
#include "cryptonote_config.h"
|
||||||
#include "common/util.h"
|
#include "common/util.h"
|
||||||
|
|
||||||
|
static __thread int depth = 0;
|
||||||
|
|
||||||
namespace tools
|
namespace tools
|
||||||
{
|
{
|
||||||
threadpool::threadpool() : running(true), active(0) {
|
threadpool::threadpool() : running(true), active(0) {
|
||||||
@ -60,11 +62,13 @@ threadpool::~threadpool() {
|
|||||||
void threadpool::submit(waiter *obj, std::function<void()> f) {
|
void threadpool::submit(waiter *obj, std::function<void()> f) {
|
||||||
entry e = {obj, f};
|
entry e = {obj, f};
|
||||||
boost::unique_lock<boost::mutex> lock(mutex);
|
boost::unique_lock<boost::mutex> lock(mutex);
|
||||||
if (active == max && !queue.empty()) {
|
if ((active == max && !queue.empty()) || depth > 0) {
|
||||||
// if all available threads are already running
|
// if all available threads are already running
|
||||||
// and there's work waiting, just run in current thread
|
// and there's work waiting, just run in current thread
|
||||||
lock.unlock();
|
lock.unlock();
|
||||||
|
++depth;
|
||||||
f();
|
f();
|
||||||
|
--depth;
|
||||||
} else {
|
} else {
|
||||||
if (obj)
|
if (obj)
|
||||||
obj->inc();
|
obj->inc();
|
||||||
@ -106,7 +110,9 @@ void threadpool::run() {
|
|||||||
e = queue.front();
|
e = queue.front();
|
||||||
queue.pop_front();
|
queue.pop_front();
|
||||||
lock.unlock();
|
lock.unlock();
|
||||||
|
++depth;
|
||||||
e.f();
|
e.f();
|
||||||
|
--depth;
|
||||||
|
|
||||||
if (e.wo)
|
if (e.wo)
|
||||||
e.wo->dec();
|
e.wo->dec();
|
||||||
|
Loading…
Reference in New Issue
Block a user