From bb0b6eddaf546a5f135ce9d0292b61e12ce7c16b Mon Sep 17 00:00:00 2001 From: NAKAMURA Takumi Date: Fri, 16 Mar 2012 10:48:10 +0000 Subject: [PATCH] lit/TestRunner.py: [Win32] Check all opened_files[] released, rather than (obsoleted) written_files[]. In previous case, RUN: foo -o %t RUN: FileCheck < %t RUN: bar -o %t 2nd read handle might prevent manipulation of 3rd %t in bar, to remove and rename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152916 91177308-0d34-0410-b5e6-96231b3b80d8 --- utils/lit/lit/TestRunner.py | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/utils/lit/lit/TestRunner.py b/utils/lit/lit/TestRunner.py index 2a42fd9e459..fa69f72caf1 100644 --- a/utils/lit/lit/TestRunner.py +++ b/utils/lit/lit/TestRunner.py @@ -98,7 +98,6 @@ def executeShCmd(cmd, cfg, cwd, results): input = subprocess.PIPE stderrTempFiles = [] opened_files = [] - written_files = [] named_temp_files = [] # To avoid deadlock, we use a single stderr stream for piped # output. This is null until we have seen some output using @@ -146,6 +145,7 @@ def executeShCmd(cmd, cfg, cwd, results): else: if r[2] is None: if kAvoidDevNull and r[0] == '/dev/null': + r[0] = None r[2] = tempfile.TemporaryFile(mode=r[1]) else: r[2] = open(r[0], r[1]) @@ -154,9 +154,7 @@ def executeShCmd(cmd, cfg, cwd, results): # FIXME: Actually, this is probably an instance of PR6753. if r[1] == 'a': r[2].seek(0, 2) - opened_files.append(r[2]) - if r[1] in 'aw': - written_files.append(r[0]) + opened_files.append(r) result = r[2] final_redirects.append(result) @@ -218,7 +216,7 @@ def executeShCmd(cmd, cfg, cwd, results): # on Win32, for example). Since we have already spawned the subprocess, our # handles have already been transferred so we do not need them anymore. for f in opened_files: - f.close() + f[2].close() # FIXME: There is probably still deadlock potential here. Yawn. procData = [None] * len(procs) @@ -257,10 +255,11 @@ def executeShCmd(cmd, cfg, cwd, results): else: exitCode = res - # Make sure written_files is released by other (child) processes. - if (kIsWindows): - for f in written_files: - WinWaitReleased(f) + # Make sure opened_files is released by other (child) processes. + if kIsWindows: + for f in opened_files: + if f[0] is not None: + WinWaitReleased(f[0]) # Remove any named temporary files we created. for f in named_temp_files: -- 2.34.1