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package psx
import (
"runtime"
"syscall"
"testing"
)
func TestSyscall3(t *testing.T) {
want := syscall.Getpid()
if got, _, err := Syscall3(syscall.SYS_GETPID, 0, 0, 0); err != 0 {
t.Errorf("failed to get PID via libpsx: %v", err)
} else if int(got) != want {
t.Errorf("pid mismatch: got=%d want=%d", got, want)
}
if got, _, err := Syscall3(syscall.SYS_CAPGET, 0, 0, 0); err != 14 {
t.Errorf("malformed capget returned %d: %v (want 14: %v)", err, err, syscall.Errno(14))
} else if ^got != 0 {
t.Errorf("malformed capget did not return -1, got=%d", got)
}
}
func TestSyscall6(t *testing.T) {
want := syscall.Getpid()
if got, _, err := Syscall6(syscall.SYS_GETPID, 0, 0, 0, 0, 0, 0); err != 0 {
t.Errorf("failed to get PID via libpsx: %v", err)
} else if int(got) != want {
t.Errorf("pid mismatch: got=%d want=%d", got, want)
}
if got, _, err := Syscall6(syscall.SYS_CAPGET, 0, 0, 0, 0, 0, 0); err != 14 {
t.Errorf("malformed capget errno %d: %v (want 14: %v)", err, err, syscall.Errno(14))
} else if ^got != 0 {
t.Errorf("malformed capget did not return -1, got=%d", got)
}
}
// killAThread locks the goroutine to a thread and exits. This has the
// effect of making the go runtime terminate the thread.
func killAThread(c <-chan struct{}) {
runtime.LockOSThread()
<-c
}
// Test to confirm no regression against:
//
// https://github.com/golang/go/issues/42494
func TestThreadChurn(t *testing.T) {
const prSetKeepCaps = 8
for j := 0; j < 4; j++ {
kill := (j & 1) != 0
sysc := (j & 2) != 0
t.Logf("[%d] testing kill=%v, sysc=%v", j, kill, sysc)
for i := 50; i > 0; i-- {
if kill {
c := make(chan struct{})
go killAThread(c)
close(c)
}
if sysc {
if _, _, e := Syscall3(syscall.SYS_PRCTL, prSetKeepCaps, uintptr(i&1), 0); e != 0 {
t.Fatalf("[%d] psx:prctl(SET_KEEPCAPS, %d) failed: %v", i, i&1, syscall.Errno(e))
}
}
}
t.Logf("[%d] PASSED kill=%v, sysc=%v", j, kill, sysc)
}
}
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