[process]: add ProcessesWithContext.

process/process_darwin.go

@@ -523,6 +523,10 @@ func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]M
 }
 
 func Processes() ([]*Process, error) {
+	return ProcessesWithContext(context.Background())
+}
+
+func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
 	results := []*Process{}
 
 	mib := []int32{CTLKern, KernProc, KernProcAll, 0}

process/process_freebsd.go

@@ -411,6 +411,10 @@ func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]M
 }
 
 func Processes() ([]*Process, error) {
+	return ProcessesWithContext(context.Background())
+}
+
+func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
 	results := []*Process{}
 
 	mib := []int32{CTLKern, KernProc, KernProcProc, 0}

process/process_linux.go

@@ -1213,6 +1213,10 @@ func PidsWithContext(ctx context.Context) ([]int32, error) {
 // Process returns a slice of pointers to Process structs for all
 // currently running processes.
 func Processes() ([]*Process, error) {
+	return ProcessesWithContext(context.Background())
+}
+
+func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
 	out := []*Process{}
 
 	pids, err := Pids()

process/process_openbsd.go

@@ -401,6 +401,10 @@ func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]M
 }
 
 func Processes() ([]*Process, error) {
+	return ProcessesWithContext(context.Background())
+}
+
+func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
 	results := []*Process{}
 
 	buf, length, err := CallKernProcSyscall(KernProcAll, 0)

process/process_windows.go

@@ -600,6 +600,10 @@ func getFromSnapProcess(pid int32) (int32, int32, string, error) {
 
 // Get processes
 func Processes() ([]*Process, error) {
+	return ProcessesWithContext(context.Background())
+}
+
+func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
 	pids, err := Pids()
 	if err != nil {
 		return []*Process{}, fmt.Errorf("could not get Processes %s", err)