diff options
Diffstat (limited to 'src/os/exec/exec_test.go')
| -rw-r--r-- | src/os/exec/exec_test.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/os/exec/exec_test.go b/src/os/exec/exec_test.go index cd3d759ebc..fc49b8a332 100644 --- a/src/os/exec/exec_test.go +++ b/src/os/exec/exec_test.go @@ -691,6 +691,18 @@ func TestExtraFiles(t *testing.T) { c.Stdout = &stdout c.Stderr = &stderr c.ExtraFiles = []*os.File{tf} + if runtime.GOOS == "illumos" { + // Some facilities in illumos are implemented via access + // to /proc by libc; such accesses can briefly occupy a + // low-numbered fd. If this occurs concurrently with the + // test that checks for leaked descriptors, the check can + // become confused and report a spurious leaked descriptor. + // (See issue #42431 for more detailed analysis.) + // + // Attempt to constrain the use of additional threads in the + // child process to make this test less flaky: + c.Env = append(os.Environ(), "GOMAXPROCS=1") + } err = c.Run() if err != nil { t.Fatalf("Run: %v\n--- stdout:\n%s--- stderr:\n%s", err, stdout.Bytes(), stderr.Bytes()) |