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os/exec: disable fd check in TestHelperProcess on Plan 9

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On Plan 9, we can observe the following open file descriptors:

  0 r  c    0 (000000000000000a   0 00)     0        0 /dev/null
  1 rw |    0 (0000000001df6742   0 00) 65536       54 #|/data1
  2 rw |    0 (0000000001df6782   0 00) 65536        0 #|/data1
  3 rw M 1956 (0000000000d66dd2   0 00)  8192       12 /tmp/333163398
  4 r  c    0 (0000000000000001   0 00)     0      528 /dev/bintime
  5 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
  6 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
  7 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
  8 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
  9 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
 10 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
 11 r  c    0 (000000000000000f   0 00)     0       32 /dev/random
 12 r  M 1956 (0000000000d66dd1 854 00)  8192        0 /tmp/go-build843954301/os/exec/_test/exec.test
 13 r  c    0 (000000000000000a   0 00)     0        0 /dev/null
 14 rw |    0 (0000000001df6801   0 00) 65536        0 #|/data
 15 rw |    0 (0000000001df6802   0 00) 65536     1275 #|/data1

R=rsc, bradfitz, aram
CC=golang-codereviews
https://golang.org/cl/51420044
This commit is contained in:
David du Colombier 2014-01-13 23:03:22 +01:00
parent 5ce3e6a1ef
commit 1f0ca748c2
1 changed files with 14 additions and 1 deletions
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15
src/pkg/os/exec/exec_test.go
View File

@ -480,6 +480,8 @@ func TestHelperProcess(*testing.T) {
switch runtime.GOOS {
case "dragonfly", "freebsd", "netbsd", "openbsd":
ofcmd = "fstat"
case "plan9":
ofcmd = "/bin/cat"
}
args := os.Args
@ -570,6 +572,10 @@ func TestHelperProcess(*testing.T) {
// the cloned file descriptors that result from opening
// /dev/urandom.
// http://golang.org/issue/3955
case "plan9":
// TODO(0intro): Determine why Plan 9 is leaking
// file descriptors.
// http://golang.org/issue/7118
case "solaris":
// TODO(aram): This fails on Solaris because libc opens
// its own files, as it sees fit. Darwin does the same,
@ -585,7 +591,14 @@ func TestHelperProcess(*testing.T) {
}
if got := f.Fd(); got != wantfd {
fmt.Printf("leaked parent file. fd = %d; want %d\n", got, wantfd)
out, _ := exec.Command(ofcmd, "-p", fmt.Sprint(os.Getpid())).CombinedOutput()
var args []string
switch runtime.GOOS {
case "plan9":
args = []string{fmt.Sprintf("/proc/%d/fd", os.Getpid())}
default:
args = []string{"-p", fmt.Sprint(os.Getpid())}
}
out, _ := exec.Command(ofcmd, args...).CombinedOutput()
fmt.Print(string(out))
os.Exit(1)
}