Evolution-x/hardware_interfaces
1
0
Fork 0
mirror of https://github.com/Evolution-X/hardware_interfaces synced 2026-02-01 16:23:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge changes If286ae5d,I0c89907e into main

Browse Source 
* changes:
  libhealthloop: Reduce the size of the uevent receive buffer
  libhealthloop: Modify receive buffer overflow handling
This commit is contained in:
Bart Van Assche
2024-09-05 16:08:53 +00:00
committed by Gerrit Code Review
parent 8ab55b0607 4187755208
commit 1de01e677c
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
health/utils/libhealthloop/HealthLoop.cpp
View File

@@ -64,7 +64,7 @@ int HealthLoop::RegisterEvent(int fd, BoundFunction func, EventWakeup wakeup) {
.get();
struct epoll_event ev = {
.events = EPOLLIN,
.events = EPOLLIN | EPOLLERR,
.data.ptr = reinterpret_cast<void*>(event_handler),
};
@@ -128,6 +128,9 @@ bool HealthLoop::RecvUevents() {
for (;;) {
char msg[kUeventMsgLen + 2];
int n = uevent_kernel_multicast_recv(uevent_fd_, msg, kUeventMsgLen);
if (n < 0 && errno == ENOBUFS) {
update_stats = true;
}
if (n <= 0) return update_stats;
if (n >= kUeventMsgLen) {
// too long -- discard
@@ -177,7 +180,7 @@ Result<void> HealthLoop::AttachFilter(int uevent_fd) {
}
void HealthLoop::UeventInit(void) {
uevent_fd_.reset(uevent_create_socket(64 * 1024, true));
uevent_fd_.reset(uevent_create_socket(kUeventMsgLen, true));
if (uevent_fd_ < 0) {
KLOG_ERROR(LOG_TAG, "uevent_init: uevent_open_socket failed\n");