From 38064605a8de211446708581b662bf192b966aeb Mon Sep 17 00:00:00 2001
From: Brandon Duffany <brandon@buildbuddy.io>
Date: Tue, 4 Oct 2022 14:35:45 -0400
Subject: [PATCH] Fix memory leaks in darwin_cgo

---
 process/process_darwin_cgo.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/process/process_darwin_cgo.go b/process/process_darwin_cgo.go
index 2ac413f..858f08e 100644
--- a/process/process_darwin_cgo.go
+++ b/process/process_darwin_cgo.go
@@ -175,6 +175,7 @@ func (p *Process) CmdlineWithContext(ctx context.Context) (string, error) {
 func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) {
 	const tiSize = C.sizeof_struct_proc_taskinfo
 	ti := (*C.struct_proc_taskinfo)(C.malloc(tiSize))
+	defer C.free(unsafe.Pointer(ti))
 
 	_, err := C.proc_pidinfo(C.int(p.Pid), C.PROC_PIDTASKINFO, 0, unsafe.Pointer(ti), tiSize)
 	if err != nil {
@@ -187,6 +188,7 @@ func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) {
 func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error) {
 	const tiSize = C.sizeof_struct_proc_taskinfo
 	ti := (*C.struct_proc_taskinfo)(C.malloc(tiSize))
+	defer C.free(unsafe.Pointer(ti))
 
 	_, err := C.proc_pidinfo(C.int(p.Pid), C.PROC_PIDTASKINFO, 0, unsafe.Pointer(ti), tiSize)
 	if err != nil {
@@ -204,6 +206,7 @@ func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error)
 func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error) {
 	const tiSize = C.sizeof_struct_proc_taskinfo
 	ti := (*C.struct_proc_taskinfo)(C.malloc(tiSize))
+	defer C.free(unsafe.Pointer(ti))
 
 	_, err := C.proc_pidinfo(C.int(p.Pid), C.PROC_PIDTASKINFO, 0, unsafe.Pointer(ti), tiSize)
 	if err != nil {