[llvm] eec1ee8 - [SystemZ][z/OS] Enable lit testing for z/OS (#107631)
via llvm-commits
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Mon Sep 9 11:37:57 PDT 2024
Author: Abhina Sree
Date: 2024-09-09T14:37:53-04:00
New Revision: eec1ee8ef10820c61c03b00b68d242d8c87d478a
URL: https://github.com/llvm/llvm-project/commit/eec1ee8ef10820c61c03b00b68d242d8c87d478a
DIFF: https://github.com/llvm/llvm-project/commit/eec1ee8ef10820c61c03b00b68d242d8c87d478a.diff
LOG: [SystemZ][z/OS] Enable lit testing for z/OS (#107631)
This patch fixes various errors to enable llvm-lit to run on z/OS
Added:
Modified:
llvm/lib/Support/raw_ostream.cpp
llvm/utils/lit/lit/run.py
llvm/utils/lit/lit/util.py
Removed:
################################################################################
diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
index 48f04091e9e39b..5d30c797ebf5b1 100644
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -843,6 +843,10 @@ size_t raw_fd_ostream::preferred_buffer_size() const {
if (IsWindowsConsole)
return 0;
return raw_ostream::preferred_buffer_size();
+#elif defined(__MVS__)
+ // The buffer size on z/OS is defined with macro BUFSIZ, which can be
+ // retrieved by invoking function raw_ostream::preferred_buffer_size().
+ return raw_ostream::preferred_buffer_size();
#else
assert(FD >= 0 && "File not yet open!");
struct stat statbuf;
diff --git a/llvm/utils/lit/lit/run.py b/llvm/utils/lit/lit/run.py
index 535c859352cc4d..62070e824e87fa 100644
--- a/llvm/utils/lit/lit/run.py
+++ b/llvm/utils/lit/lit/run.py
@@ -1,5 +1,6 @@
import multiprocessing
import os
+import platform
import time
import lit.Test
@@ -136,6 +137,6 @@ def _increase_process_limit(self):
"Raised process limit from %d to %d" % (soft_limit, desired_limit)
)
except Exception as ex:
- # Warn, unless this is Windows, in which case this is expected.
- if os.name != "nt":
+ # Warn, unless this is Windows or z/OS, in which case this is expected.
+ if os.name != "nt" and platform.system() != "OS/390":
self.lit_config.warning("Failed to raise process limit: %s" % ex)
diff --git a/llvm/utils/lit/lit/util.py b/llvm/utils/lit/lit/util.py
index a2452f5566b772..4e75cce092c672 100644
--- a/llvm/utils/lit/lit/util.py
+++ b/llvm/utils/lit/lit/util.py
@@ -502,7 +502,7 @@ def killProcessAndChildrenIsSupported():
otherwise is contains a string describing why the function is
not supported.
"""
- if platform.system() == "AIX":
+ if platform.system() == "AIX" or platform.system() == "OS/390":
return (True, "")
try:
import psutil # noqa: F401
@@ -528,6 +528,9 @@ def killProcessAndChildren(pid):
"""
if platform.system() == "AIX":
subprocess.call("kill -kill $(ps -o pid= -L{})".format(pid), shell=True)
+ elif platform.system() == "OS/390":
+ # FIXME: Only the process is killed.
+ subprocess.call("kill -KILL $(ps -s {} -o pid=)".format(pid), shell=True)
else:
import psutil
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