diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | internal/c/generated/tracepoints.c | 104 | ||||
| -rw-r--r-- | internal/c/generated/tracepoints.raku | 19 | ||||
| -rw-r--r-- | internal/c/types.h | 4 | ||||
| -rw-r--r-- | internal/eventloop.go | 4 | ||||
| -rw-r--r-- | internal/generated/types/types.go | 20 |
6 files changed, 82 insertions, 71 deletions
@@ -17,7 +17,7 @@ generate: generated .PHONY: generated generated: - #make -C ./internal/c/generated + make -C ./internal/c/generated make -C ./internal/generated .PHONY: gobuild diff --git a/internal/c/generated/tracepoints.c b/internal/c/generated/tracepoints.c index 168518d..eb0ccd2 100644 --- a/internal/c/generated/tracepoints.c +++ b/internal/c/generated/tracepoints.c @@ -59,7 +59,7 @@ int handle_sys_exit_cachestat(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -67,7 +67,7 @@ int handle_sys_exit_cachestat(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -99,7 +99,7 @@ int handle_sys_exit_close_range(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -107,7 +107,7 @@ int handle_sys_exit_close_range(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -139,7 +139,7 @@ int handle_sys_exit_close(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -147,7 +147,7 @@ int handle_sys_exit_close(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -179,7 +179,7 @@ int handle_sys_exit_fchown(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -187,7 +187,7 @@ int handle_sys_exit_fchown(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -219,7 +219,7 @@ int handle_sys_exit_fchmod(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -227,7 +227,7 @@ int handle_sys_exit_fchmod(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -259,7 +259,7 @@ int handle_sys_exit_fchdir(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -267,7 +267,7 @@ int handle_sys_exit_fchdir(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -299,7 +299,7 @@ int handle_sys_exit_ftruncate(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -307,7 +307,7 @@ int handle_sys_exit_ftruncate(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -339,7 +339,7 @@ int handle_sys_exit_copy_file_range(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -347,7 +347,7 @@ int handle_sys_exit_copy_file_range(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -379,7 +379,7 @@ int handle_sys_exit_pwrite64(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -387,7 +387,7 @@ int handle_sys_exit_pwrite64(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -419,7 +419,7 @@ int handle_sys_exit_pread64(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -427,7 +427,7 @@ int handle_sys_exit_pread64(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -459,7 +459,7 @@ int handle_sys_exit_write(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -467,7 +467,7 @@ int handle_sys_exit_write(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -499,7 +499,7 @@ int handle_sys_exit_read(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -507,7 +507,7 @@ int handle_sys_exit_read(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -539,7 +539,7 @@ int handle_sys_exit_lseek(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -547,7 +547,7 @@ int handle_sys_exit_lseek(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -579,7 +579,7 @@ int handle_sys_exit_newfstat(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -587,7 +587,7 @@ int handle_sys_exit_newfstat(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -619,7 +619,7 @@ int handle_sys_exit_fcntl(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -627,7 +627,7 @@ int handle_sys_exit_fcntl(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -659,7 +659,7 @@ int handle_sys_exit_ioctl(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -667,7 +667,7 @@ int handle_sys_exit_ioctl(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -699,7 +699,7 @@ int handle_sys_exit_getdents64(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -707,7 +707,7 @@ int handle_sys_exit_getdents64(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -739,7 +739,7 @@ int handle_sys_exit_getdents(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -747,7 +747,7 @@ int handle_sys_exit_getdents(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -779,7 +779,7 @@ int handle_sys_exit_sync_file_range(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -787,7 +787,7 @@ int handle_sys_exit_sync_file_range(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -819,7 +819,7 @@ int handle_sys_exit_fdatasync(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -827,7 +827,7 @@ int handle_sys_exit_fdatasync(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -859,7 +859,7 @@ int handle_sys_exit_fsync(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -867,7 +867,7 @@ int handle_sys_exit_fsync(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -899,7 +899,7 @@ int handle_sys_exit_fstatfs(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -907,7 +907,7 @@ int handle_sys_exit_fstatfs(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -939,7 +939,7 @@ int handle_sys_exit_flock(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -947,7 +947,7 @@ int handle_sys_exit_flock(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -979,7 +979,7 @@ int handle_sys_exit_quotactl_fd(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -987,7 +987,7 @@ int handle_sys_exit_quotactl_fd(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -1019,7 +1019,7 @@ int handle_sys_exit_io_uring_register(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -1027,7 +1027,7 @@ int handle_sys_exit_io_uring_register(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; @@ -1059,7 +1059,7 @@ int handle_sys_exit_io_uring_enter(struct trace_event_raw_sys_exit *ctx) { if (filter(&pid, &tid)) return 0; - struct null_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct null_event), 0); + struct ret_event *ev = bpf_ringbuf_reserve(&event_map, sizeof(struct ret_event), 0); if (!ev) return 0; @@ -1067,7 +1067,7 @@ int handle_sys_exit_io_uring_enter(struct trace_event_raw_sys_exit *ctx) { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - + ev->ret = ctx->ret; bpf_ringbuf_submit(ev, 0); return 0; diff --git a/internal/c/generated/tracepoints.raku b/internal/c/generated/tracepoints.raku index 563a028..1de8a0e 100644 --- a/internal/c/generated/tracepoints.raku +++ b/internal/c/generated/tracepoints.raku @@ -36,11 +36,18 @@ class Format { has Str $.name is rw; has Int $.id is rw; has Field @.fields is rw; + # file descriptor passed to syscalls. has Bool $.has-fd is rw = False; + # Syscall returns with a long value (e.g. bytes read/written) + has Bool $.has-long-ret is rw = False; method push(Field $field) { push @!fields: $field; - $!has-fd = True if ($field.name eq 'fd' && $field.type eq 'unsigned int'); + if ($field.name eq 'fd' && $field.type eq 'unsigned int') { + $!has-fd = True; + } elsif ($field.name eq 'ret' && $field.type eq 'long') { + $.has-long-ret = True; + } } method generate-constant returns Str { @@ -49,8 +56,11 @@ class Format { method generate-probe returns Str { my \is-enter = $!name.split('_')[1] eq 'enter'; - my \ctx-struct = is-enter ?? 'trace_event_raw_sys_enter' !! 'trace_event_raw_sys_exit'; - my \event-struct = is-enter ?? 'fd_event' !! 'null_event'; + my \is-exit = !is-enter; + my \ctx-struct = is-enter ?? 'trace_event_raw_sys_enter' + !! 'trace_event_raw_sys_exit'; + my \event-struct = is-enter ?? 'fd_event' + !! ($!has-long-ret ?? 'ret_event' !! 'null_event'); qq:to/END/; SEC("tracepoint/syscalls/{$!name}") @@ -67,7 +77,8 @@ class Format { ev->pid = pid; ev->tid = tid; ev->time = bpf_ktime_get_ns() / 1000; - {is-enter ?? 'ev->fd = (int)ctx->args[0];' !! ''} + {is-enter ?? 'ev->fd = (int)ctx->args[0];' + !! ($!has-long-ret ?? 'ev->ret = ctx->ret;' !! '') } bpf_ringbuf_submit(ev, 0); return 0; diff --git a/internal/c/types.h b/internal/c/types.h index 35ddbd7..db6f318 100644 --- a/internal/c/types.h +++ b/internal/c/types.h @@ -18,12 +18,12 @@ struct fd_event { __s32 fd; }; -struct rw_event { +struct ret_event { __u32 syscall_id; __u32 pid; __u32 tid; __u32 time; - __u64 size; + __u64 ret; }; struct open_enter_event { diff --git a/internal/eventloop.go b/internal/eventloop.go index afb0abf..5fb8c5c 100644 --- a/internal/eventloop.go +++ b/internal/eventloop.go @@ -94,7 +94,7 @@ func eventLoop(bpfModule *bpf.Module, ch <-chan []byte) { enterEv.Recycle() case SYS_EXIT_WRITE: - ev := NewRwEvent(raw) + ev := NewRetEvent(raw) enterEv, ok := enterFd[ev.Tid] if !ok { ev.Recycle() @@ -102,7 +102,7 @@ func eventLoop(bpfModule *bpf.Module, ch <-chan []byte) { } duration := ev.Time - enterEv.Time if file, ok := openFdMap[enterEv.Fd]; ok { - fmt.Println(duration, "μs", "wrote", ev.Size, "bytes", file) + fmt.Println(duration, "μs", "retval", ev.Ret, file) } delete(enterFd, ev.Tid) diff --git a/internal/generated/types/types.go b/internal/generated/types/types.go index c87d276..9483285 100644 --- a/internal/generated/types/types.go +++ b/internal/generated/types/types.go @@ -189,24 +189,24 @@ func (f *FdEvent) Recycle() { poolOfFdEvents.Put(f) } -type RwEvent struct { +type RetEvent struct { SyscallId SyscallId Pid uint32 Tid uint32 Time uint32 - Size uint64 + Ret uint64 } -func (r RwEvent) String() string { - return fmt.Sprintf("SyscallId:%v Pid:%v Tid:%v Time:%v Size:%v", r.SyscallId, r.Pid, r.Tid, r.Time, r.Size) +func (r RetEvent) String() string { + return fmt.Sprintf("SyscallId:%v Pid:%v Tid:%v Time:%v Ret:%v", r.SyscallId, r.Pid, r.Tid, r.Time, r.Ret) } -var poolOfRwEvents = sync.Pool{ - New: func() interface{} { return &RwEvent{} }, +var poolOfRetEvents = sync.Pool{ + New: func() interface{} { return &RetEvent{} }, } -func NewRwEvent(raw []byte) *RwEvent { - r := poolOfRwEvents.Get().(*RwEvent) +func NewRetEvent(raw []byte) *RetEvent { + r := poolOfRetEvents.Get().(*RetEvent) if err := binary.Read(bytes.NewReader(raw), binary.LittleEndian, r); err != nil { fmt.Println(r, raw, len(raw), err) panic(raw) @@ -214,8 +214,8 @@ func NewRwEvent(raw []byte) *RwEvent { return r } -func (r *RwEvent) Recycle() { - poolOfRwEvents.Put(r) +func (r *RetEvent) Recycle() { + poolOfRetEvents.Put(r) } type OpenEnterEvent struct { |