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event/MultiSocketMonitor: AddSocket() returns bool

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This commit is contained in:
Max Kellermann 2019-12-18 17:50:21 +01:00
parent 732bdc800d
commit a84bf5a92e
1 changed files with 11 additions and 7 deletions
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18
src/event/MultiSocketMonitor.hxx
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@ -50,12 +50,10 @@ class MultiSocketMonitor : IdleMonitor
unsigned revents;
public:
SingleFD(MultiSocketMonitor &_multi, SocketDescriptor _fd,
unsigned events) noexcept
SingleFD(MultiSocketMonitor &_multi,
SocketDescriptor _fd) noexcept
:SocketMonitor(_fd, _multi.GetEventLoop()),
multi(_multi), revents(0) {
Schedule(events);
}
multi(_multi), revents(0) {}
SocketDescriptor GetSocket() const noexcept {
return SocketMonitor::GetSocket();
@ -147,8 +145,14 @@ public:
*
* May only be called from PrepareSockets().
*/
void AddSocket(SocketDescriptor fd, unsigned events) noexcept {
fds.emplace_front(*this, fd, events);
bool AddSocket(SocketDescriptor fd, unsigned events) noexcept {
fds.emplace_front(*this, fd);
bool success = fds.front().Schedule(events);
if (!success) {
fds.pop_front();
}
return success;
}
/**