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Fix deadlock on workspace scrolling

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Make the mutex guard lifecycle finish before the send ipc command
by adding scope around the code.

Fixes #395 .
This commit is contained in:
sheenobu 2019-07-05 20:19:50 -07:00
parent 67ad0e69ce
commit a6c0bc5a52
1 changed files with 18 additions and 16 deletions
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34
src/modules/sway/workspaces.cpp
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@ -218,23 +218,25 @@ bool Workspaces::handleScroll(GdkEventScroll *e) {
if (dir == SCROLL_DIR::NONE) {
return true;
}
std::lock_guard<std::mutex> lock(mutex_);
auto it = std::find_if(workspaces_.begin(), workspaces_.end(), [](const auto &workspace) {
return workspace["focused"].asBool();
});
if (it == workspaces_.end()) {
return true;
}
std::string name;
if (dir == SCROLL_DIR::DOWN || dir == SCROLL_DIR::RIGHT) {
name = getCycleWorkspace(it, false);
} else if (dir == SCROLL_DIR::UP || dir == SCROLL_DIR::LEFT) {
name = getCycleWorkspace(it, true);
} else {
return true;
}
if (name == (*it)["name"].asString()) {
return true;
{
std::lock_guard<std::mutex> lock(mutex_);
auto it = std::find_if(workspaces_.begin(), workspaces_.end(), [](const auto &workspace) {
return workspace["focused"].asBool();
});
if (it == workspaces_.end()) {
return true;
}
if (dir == SCROLL_DIR::DOWN || dir == SCROLL_DIR::RIGHT) {
name = getCycleWorkspace(it, false);
} else if (dir == SCROLL_DIR::UP || dir == SCROLL_DIR::LEFT) {
name = getCycleWorkspace(it, true);
} else {
return true;
}
if (name == (*it)["name"].asString()) {
return true;
}
}
try {
ipc_.sendCmd(IPC_COMMAND, fmt::format("workspace \"{}\"", name));