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test(libkernel): rename and delete a watched file through kqueue

This commit is contained in:
Yossi Yadgar 2026-10-11 19:31:38 +03:00 committed by Adrià Franch
parent 2979da6808
commit 2aacb762dd
1 changed files with 26 additions and 0 deletions
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26
core/libs/tests/GuestKqueue.cpp
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@ -20,6 +20,8 @@ int APS5_VABI open_nid_postfix(const char*, int, int);
int APS5_VABI mkdir_nid_postfix(const char*, unsigned short);
std::int64_t APS5_VABI write_nid_postfix(int, const char*, std::int64_t);
int APS5_VABI ftruncate_nid_postfix(int, std::int64_t);
int APS5_VABI unlink_nid_postfix(const char*);
int APS5_VABI sceKernelRename(const char*, const char*);
int APS5_VABI sceKernelCreateEqueue(KernelEqueue* eq, const char* name);
int APS5_VABI sceKernelDeleteEqueue(KernelEqueue eq);
int APS5_VABI sceKernelWaitEqueue(KernelEqueue eq, KernelEvent* ev, int num, int* out, const KernelUseconds* timo);
@ -308,6 +310,27 @@ static void FileWatch() {
Require(std::filesystem::remove(path));
}
#ifndef _WIN32
static void RenameAndDeleteWatchedFile() {
const auto path = TemporaryName("moved");
const auto renamed = path + "-renamed";
const int file = open_nid_postfix(path.c_str(), ReadWrite | Create, 0644);
Require(file >= 0);
const int kq = kqueue_nid_postfix();
KernelEvent events[4]{};
const auto ident = static_cast<std::uintptr_t>(file);
Require(Apply(kq, Change(ident, EvfiltVnode, EvAdd | EvClear, NoteDelete | NoteRename)) == 0);
Require(sceKernelRename(path.c_str(), renamed.c_str()) == SceOk);
std::this_thread::sleep_for(std::chrono::milliseconds(200));
Require(Poll(kq, events, 4) == 1 && events[0].ident == ident && events[0].fflags == NoteRename);
Require(unlink_nid_postfix(renamed.c_str()) == 0);
std::this_thread::sleep_for(std::chrono::milliseconds(200));
Require(Poll(kq, events, 4) == 1 && events[0].ident == ident && events[0].fflags == NoteDelete);
Require(close_nid_postfix(file) == 0);
Require(close_nid_postfix(kq) == 0);
}
#endif
static void DirectoryWatch() {
const auto path = TemporaryName("directory");
Require(mkdir_nid_postfix(path.c_str(), 0755) == 0);
@ -346,6 +369,9 @@ int main() {
SocketPair();
Errors();
FileWatch();
#ifndef _WIN32
RenameAndDeleteWatchedFile();
#endif
DirectoryWatch();
Timeout();
return 0;