https://github.com/royitaqi updated
https://github.com/llvm/llvm-project/pull/139174
>From d98210b81f7b49f5384e968b1a18e00e432aaf2c Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Thu, 8 May 2025 16:21:53 -0700
Subject: [PATCH 1/7] Fix macOS FindProcessImpl()
---
lldb/source/Host/macosx/objcxx/Host.mm | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/lldb/source/Host/macosx/objcxx/Host.mm
b/lldb/source/Host/macosx/objcxx/Host.mm
index e187bf98188ae..e8a1c597eea53 100644
--- a/lldb/source/Host/macosx/objcxx/Host.mm
+++ b/lldb/source/Host/macosx/objcxx/Host.mm
@@ -595,7 +595,9 @@ DataExtractor data(arg_data.GetBytes(), arg_data_size,
const llvm::Triple::ArchType triple_arch = triple.getArch();
const bool check_for_ios_simulator =
(triple_arch == llvm::Triple::x86 ||
- triple_arch == llvm::Triple::x86_64);
+ triple_arch == llvm::Triple::x86_64 ||
+ triple_arch == llvm::Triple::aarch64);
+
const char *cstr = data.GetCStr(&offset);
if (cstr) {
process_info.GetExecutableFile().SetFile(cstr,
FileSpec::Style::native);
@@ -621,22 +623,25 @@ DataExtractor data(arg_data.GetBytes(), arg_data_size,
}
Environment &proc_env = process_info.GetEnvironment();
+ bool is_simulator = false;
while ((cstr = data.GetCStr(&offset))) {
if (cstr[0] == '\0')
break;
- if (check_for_ios_simulator) {
- if (strncmp(cstr, "SIMULATOR_UDID=", strlen("SIMULATOR_UDID="))
==
- 0)
- process_info.GetArchitecture().GetTriple().setOS(
- llvm::Triple::IOS);
- else
- process_info.GetArchitecture().GetTriple().setOS(
- llvm::Triple::MacOSX);
- }
+ if (check_for_ios_simulator &&
+ strncmp(cstr, "SIMULATOR_UDID=", strlen("SIMULATOR_UDID=")) ==
+ 0)
+ is_simulator = true;
proc_env.insert(cstr);
}
+ llvm::Triple &triple = process_info.GetArchitecture().GetTriple();
+ if (is_simulator) {
+ triple.setOS(llvm::Triple::IOS);
+ triple.setEnvironment(llvm::Triple::Simulator);
+ } else {
+ triple.setOS(llvm::Triple::MacOSX);
+ }
return true;
}
}
>From 8377bc3b61fb30c003d1d188d6e8d879baea58ab Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Mon, 16 Jun 2025 11:06:47 -0700
Subject: [PATCH 2/7] Add test
---
lldb/test/API/macosx/simulator/TestSimulatorPlatform.py | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
index 74ba0ee6c83bb..8406ee45479fd 100644
--- a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
+++ b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
@@ -39,7 +39,7 @@ def check_debugserver(self, log, expected_platform,
expected_version):
if expected_version:
self.assertEqual(aout_info["min_version_os_sdk"], expected_version)
- def run_with(self, arch, os, vers, env, expected_load_command):
+ def run_with(self, arch, os, vers, env, expected_load_command,
expected_platform=None):
env_list = [env] if env else []
triple = "-".join([arch, "apple", os + vers] + env_list)
sdk = lldbutil.get_xcode_sdk(os, env)
@@ -75,6 +75,11 @@ def run_with(self, arch, os, vers, env,
expected_load_command):
self, "break here", lldb.SBFileSpec("hello.c")
)
triple_re = "-".join([arch, "apple", os + vers + ".*"] + env_list)
+ if expected_platform is not None:
+ # The current platform should be expected
+ self.expect("platform status", patterns=[r"Platform: " +
expected_platform])
+ # Should be able to list processes on the current platform
+ self.expect("platform process list", patterns=[r"\d+ matching
processes were found on \"%s\"" % expected_platform])
self.expect("image list -b -t", patterns=[r"a\.out " + triple_re])
self.check_debugserver(log, os + env, vers)
@@ -90,6 +95,7 @@ def test_ios(self):
vers="",
env="simulator",
expected_load_command="LC_BUILD_VERSION",
+ expected_platform="ios-simulator",
)
@skipIfAsan
>From 2c31b44d01a7a8bc0fece27fed8162c599aa8387 Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Mon, 16 Jun 2025 15:02:56 -0700
Subject: [PATCH 3/7] Fix format
---
.../API/macosx/simulator/TestSimulatorPlatform.py | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
index 8406ee45479fd..44a5a942ab513 100644
--- a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
+++ b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
@@ -39,7 +39,9 @@ def check_debugserver(self, log, expected_platform,
expected_version):
if expected_version:
self.assertEqual(aout_info["min_version_os_sdk"], expected_version)
- def run_with(self, arch, os, vers, env, expected_load_command,
expected_platform=None):
+ def run_with(
+ self, arch, os, vers, env, expected_load_command,
expected_platform=None
+ ):
env_list = [env] if env else []
triple = "-".join([arch, "apple", os + vers] + env_list)
sdk = lldbutil.get_xcode_sdk(os, env)
@@ -79,7 +81,12 @@ def run_with(self, arch, os, vers, env,
expected_load_command, expected_platform
# The current platform should be expected
self.expect("platform status", patterns=[r"Platform: " +
expected_platform])
# Should be able to list processes on the current platform
- self.expect("platform process list", patterns=[r"\d+ matching
processes were found on \"%s\"" % expected_platform])
+ self.expect(
+ "platform process list",
+ patterns=[
+ r"\d+ matching processes were found on \"%s\"" %
expected_platform
+ ],
+ )
self.expect("image list -b -t", patterns=[r"a\.out " + triple_re])
self.check_debugserver(log, os + env, vers)
>From 3d6715699007bb22bda26cf196bee91f24ef9e91 Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Tue, 17 Jun 2025 07:39:17 -0700
Subject: [PATCH 4/7] Minor updates to code and comments
---
lldb/source/Host/macosx/objcxx/Host.mm | 4 ++--
.../API/macosx/simulator/TestSimulatorPlatform.py | 11 ++++++++---
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/lldb/source/Host/macosx/objcxx/Host.mm
b/lldb/source/Host/macosx/objcxx/Host.mm
index e8a1c597eea53..66e7741fc53e7 100644
--- a/lldb/source/Host/macosx/objcxx/Host.mm
+++ b/lldb/source/Host/macosx/objcxx/Host.mm
@@ -746,8 +746,8 @@ static bool
GetMacOSXProcessUserAndGroup(ProcessInstanceInfo &process_info) {
!match_info.ProcessIDsMatch(process_info))
continue;
- // Get CPU type first so we can know to look for iOS simulator is we have
- // x86 or x86_64
+ // Get CPU type first so we can know to look for iOS simulator if we have
+ // a compatible type.
if (GetMacOSXProcessCPUType(process_info)) {
if (GetMacOSXProcessArgs(&match_info, process_info)) {
if (match_info.Matches(process_info))
diff --git a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
index 44a5a942ab513..0d09bfee9b961 100644
--- a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
+++ b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
@@ -77,17 +77,22 @@ def run_with(
self, "break here", lldb.SBFileSpec("hello.c")
)
triple_re = "-".join([arch, "apple", os + vers + ".*"] + env_list)
+ self.expect("image list -b -t", patterns=[r"a\.out " + triple_re])
if expected_platform is not None:
- # The current platform should be expected
+ # Verify the platform name.
self.expect("platform status", patterns=[r"Platform: " +
expected_platform])
- # Should be able to list processes on the current platform
+ # Verify that processes on the platform can be listed.
+ #
+ # Note: The `Host::FindProcessesImpl()` of some of the Hosts
filters out processes which are being debugged.
+ # (e.g. code for iOS simulator linked below). So we cannot verify
that `a.out` is in the process list
+ # (because its already being debugged by this test).
+ #
https://github.com/llvm/llvm-project/blob/b5dbf8210a57b986b9802304745f4c5c108cf37b/lldb/source/Host/macosx/objcxx/Host.mm#L724
self.expect(
"platform process list",
patterns=[
r"\d+ matching processes were found on \"%s\"" %
expected_platform
],
)
- self.expect("image list -b -t", patterns=[r"a\.out " + triple_re])
self.check_debugserver(log, os + env, vers)
@skipIfAsan
>From 771febc0529af2cdab2d57c524ed9a5c8ef06c6f Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Wed, 18 Jun 2025 17:17:39 -0700
Subject: [PATCH 5/7] A small cleanup
---
lldb/source/Host/macosx/objcxx/Host.mm | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/lldb/source/Host/macosx/objcxx/Host.mm
b/lldb/source/Host/macosx/objcxx/Host.mm
index 66e7741fc53e7..2834a26908cf0 100644
--- a/lldb/source/Host/macosx/objcxx/Host.mm
+++ b/lldb/source/Host/macosx/objcxx/Host.mm
@@ -624,16 +624,12 @@ DataExtractor data(arg_data.GetBytes(), arg_data_size,
Environment &proc_env = process_info.GetEnvironment();
bool is_simulator = false;
- while ((cstr = data.GetCStr(&offset))) {
- if (cstr[0] == '\0')
- break;
-
+ for (llvm::StringRef env_var;
+ !(env_var = data.GetCStr(&offset)).empty();) {
if (check_for_ios_simulator &&
- strncmp(cstr, "SIMULATOR_UDID=", strlen("SIMULATOR_UDID=")) ==
- 0)
+ env_var.starts_with("SIMULATOR_UDID="))
is_simulator = true;
-
- proc_env.insert(cstr);
+ proc_env.insert(env_var);
}
llvm::Triple &triple = process_info.GetArchitecture().GetTriple();
if (is_simulator) {
>From be6580dc6a3f5169aac5b9e6035e699520424cd5 Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Sat, 21 Jun 2025 14:19:47 -0700
Subject: [PATCH 6/7] Run a.out in simulator and find it
---
.../Python/lldbsuite/test/lldbutil.py | 87 +++++++++++++++++++
lldb/test/API/macosx/simulator/Makefile | 5 +-
.../macosx/simulator/TestSimulatorPlatform.py | 40 ++++++---
lldb/test/API/macosx/simulator/hello.c | 5 --
lldb/test/API/macosx/simulator/hello.cpp | 22 +++++
.../lldb-server/TestAppleSimulatorOSType.py | 72 ++++-----------
6 files changed, 158 insertions(+), 73 deletions(-)
delete mode 100644 lldb/test/API/macosx/simulator/hello.c
create mode 100644 lldb/test/API/macosx/simulator/hello.cpp
diff --git a/lldb/packages/Python/lldbsuite/test/lldbutil.py
b/lldb/packages/Python/lldbsuite/test/lldbutil.py
index 27e0040034370..8112705438c1f 100644
--- a/lldb/packages/Python/lldbsuite/test/lldbutil.py
+++ b/lldb/packages/Python/lldbsuite/test/lldbutil.py
@@ -7,6 +7,7 @@
# System modules
import errno
import io
+import json
import os
import re
import sys
@@ -1704,3 +1705,89 @@ def packetlog_get_dylib_info(log):
expect_dylib_info_response = True
return dylib_info
+
+
+# ========================
+# Utilities for simulators
+# ========================
+
+
+def get_latest_apple_simulator(platform_name, log=None):
+ # Run simctl to list all simulators
+ cmd = ["xcrun", "simctl", "list", "-j", "devices"]
+ cmd_str = " ".join(cmd)
+ if log:
+ log(cmd_str)
+ sim_devices_str = subprocess.check_output(cmd).decode("utf-8")
+ sim_devices = json.loads(sim_devices_str)["devices"]
+
+ # Find an available simulator for the requested platform
+ device_uuid = None
+ device_runtime = None
+ for simulator in sim_devices:
+ if isinstance(simulator, dict):
+ runtime = simulator["name"]
+ devices = simulator["devices"]
+ else:
+ runtime = simulator
+ devices = sim_devices[simulator]
+ if not platform_name in runtime.lower():
+ continue
+ for device in devices:
+ if "availability" in device and device["availability"] !=
"(available)":
+ continue
+ if "isAvailable" in device and not device["isAvailable"]:
+ continue
+ if device_runtime and runtime < device_runtime:
+ continue
+ device_uuid = device["udid"]
+ device_runtime = runtime
+ # Stop searching in this runtime
+ break
+
+ return device_uuid
+
+
+def launch_exe_in_apple_simulator(
+ device_uuid,
+ exe_path,
+ exe_args=[],
+ stderr_lines_to_read=0,
+ stderr_patterns=[],
+ log=None,
+):
+ exe_path = os.path.realpath(exe_path)
+ cmd = [
+ "xcrun",
+ "simctl",
+ "spawn",
+ "-s",
+ device_uuid,
+ exe_path,
+ ] + exe_args
+ if log:
+ log(" ".join(cmd))
+ sim_launcher = subprocess.Popen(cmd, stderr=subprocess.PIPE)
+
+ # Read stderr to try to find matches.
+ # Each pattern will return the value of group[1] of the first match in the
stderr.
+ # Will read at most stderr_lines_to_read lines.
+ # Will early terminate when all matches have been found.
+ total_patterns = len(stderr_patterns)
+ matches_found = 0
+ matched_strings = [None] * total_patterns
+ for _ in range(0, stderr_lines_to_read):
+ stderr = sim_launcher.stderr.readline().decode("utf-8")
+ if not stderr:
+ continue
+ for i, pattern in enumerate(stderr_patterns):
+ if matched_strings[i] is not None:
+ continue
+ match = re.match(pattern, stderr)
+ if match:
+ matched_strings[i] = str(match.group(1))
+ matches_found += 1
+ if matches_found == total_patterns:
+ break
+
+ return exe_path, matched_strings
diff --git a/lldb/test/API/macosx/simulator/Makefile
b/lldb/test/API/macosx/simulator/Makefile
index 421e85117613a..ce3490d28ee8e 100644
--- a/lldb/test/API/macosx/simulator/Makefile
+++ b/lldb/test/API/macosx/simulator/Makefile
@@ -1,3 +1,6 @@
-C_SOURCES := hello.c
+CFLAGS_EXTRAS := -D__STDC_LIMIT_MACROS -D__STDC_FORMAT_MACROS
+ENABLE_THREADS := YES
+CXX_SOURCES := hello.cpp
+MAKE_DSYM := NO
include Makefile.rules
diff --git a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
index 0d09bfee9b961..b17ee83ea04fe 100644
--- a/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
+++ b/lldb/test/API/macosx/simulator/TestSimulatorPlatform.py
@@ -74,26 +74,46 @@ def run_with(
log = self.getBuildArtifact("packets.log")
self.expect("log enable gdb-remote packets -f " + log)
lldbutil.run_to_source_breakpoint(
- self, "break here", lldb.SBFileSpec("hello.c")
+ self, "break here", lldb.SBFileSpec("hello.cpp")
)
triple_re = "-".join([arch, "apple", os + vers + ".*"] + env_list)
self.expect("image list -b -t", patterns=[r"a\.out " + triple_re])
+ self.check_debugserver(log, os + env, vers)
+
if expected_platform is not None:
# Verify the platform name.
- self.expect("platform status", patterns=[r"Platform: " +
expected_platform])
+ self.expect(
+ "platform status",
+ patterns=[r"Platform: " + expected_platform + "-simulator"],
+ )
+
+ # Launch exe in simulator and verify that `platform process list`
can find the process.
+ # This separate launch is needed because the command ignores
processes which are being debugged.
+ device_udid = lldbutil.get_latest_apple_simulator(
+ expected_platform, self.trace
+ )
+ _, matched_strings = lldbutil.launch_exe_in_apple_simulator(
+ device_udid,
+ self.getBuildArtifact("a.out"),
+ exe_args=[],
+ stderr_lines_to_read=1, # in hello.cpp, the pid is printed
first
+ stderr_patterns=[r"PID: (.*)"],
+ log=self.trace,
+ )
+
+ # Make sure we found the PID.
+ self.assertIsNotNone(matched_strings[0])
+ pid = int(matched_strings[0])
+
# Verify that processes on the platform can be listed.
- #
- # Note: The `Host::FindProcessesImpl()` of some of the Hosts
filters out processes which are being debugged.
- # (e.g. code for iOS simulator linked below). So we cannot verify
that `a.out` is in the process list
- # (because its already being debugged by this test).
- #
https://github.com/llvm/llvm-project/blob/b5dbf8210a57b986b9802304745f4c5c108cf37b/lldb/source/Host/macosx/objcxx/Host.mm#L724
self.expect(
"platform process list",
patterns=[
- r"\d+ matching processes were found on \"%s\"" %
expected_platform
+ r"\d+ matching processes were found on \"%s-simulator\""
+ % expected_platform,
+ r"%d .+ a.out" % pid,
],
)
- self.check_debugserver(log, os + env, vers)
@skipIfAsan
@skipUnlessDarwin
@@ -107,7 +127,7 @@ def test_ios(self):
vers="",
env="simulator",
expected_load_command="LC_BUILD_VERSION",
- expected_platform="ios-simulator",
+ expected_platform="ios",
)
@skipIfAsan
diff --git a/lldb/test/API/macosx/simulator/hello.c
b/lldb/test/API/macosx/simulator/hello.c
deleted file mode 100644
index 9010d0e295154..0000000000000
--- a/lldb/test/API/macosx/simulator/hello.c
+++ /dev/null
@@ -1,5 +0,0 @@
-void puts(char *);
-int main(int argc, char **argv) {
- puts("break here\n");
- return 0;
-}
diff --git a/lldb/test/API/macosx/simulator/hello.cpp
b/lldb/test/API/macosx/simulator/hello.cpp
new file mode 100644
index 0000000000000..4c697059e8f9a
--- /dev/null
+++ b/lldb/test/API/macosx/simulator/hello.cpp
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <thread>
+#if !defined(_WIN32)
+#include <unistd.h>
+#endif
+
+static void print_pid() {
+#if defined(_WIN32)
+ fprintf(stderr, "PID: %d\n", ::GetCurrentProcessId());
+#else
+ fprintf(stderr, "PID: %d\n", getpid());
+#endif
+}
+
+static void sleep() { std::this_thread::sleep_for(std::chrono::seconds(10)); }
+
+int main(int argc, char **argv) {
+ print_pid();
+ puts("break here\n");
+ sleep();
+ return 0;
+}
diff --git a/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
b/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
index ed47f94e9492b..4fee27823f1fa 100644
--- a/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
+++ b/lldb/test/API/tools/lldb-server/TestAppleSimulatorOSType.py
@@ -14,40 +14,12 @@ class
TestAppleSimulatorOSType(gdbremote_testcase.GdbRemoteTestCaseBase):
READ_LINES = 10
def check_simulator_ostype(self, sdk, platform_name,
arch=platform.machine()):
- cmd = ["xcrun", "simctl", "list", "-j", "devices"]
- cmd_str = " ".join(cmd)
- self.trace(cmd_str)
- sim_devices_str = subprocess.check_output(cmd).decode("utf-8")
+ # Get simulator
+ deviceUDID = None
try:
- sim_devices = json.loads(sim_devices_str)["devices"]
+ deviceUDID = lldbutil.get_latest_apple_simulator(platform_name,
self.trace)
except json.decoder.JSONDecodeError:
- self.fail(
- "Could not parse '{}' output. Authorization
denied?".format(cmd_str)
- )
- # Find an available simulator for the requested platform
- deviceUDID = None
- deviceRuntime = None
- for simulator in sim_devices:
- if isinstance(simulator, dict):
- runtime = simulator["name"]
- devices = simulator["devices"]
- else:
- runtime = simulator
- devices = sim_devices[simulator]
- if not platform_name in runtime.lower():
- continue
- for device in devices:
- if "availability" in device and device["availability"] !=
"(available)":
- continue
- if "isAvailable" in device and not device["isAvailable"]:
- continue
- if deviceRuntime and runtime < deviceRuntime:
- continue
- deviceUDID = device["udid"]
- deviceRuntime = runtime
- # Stop searching in this runtime
- break
-
+ self.fail("Could not parse output. Authorization denied?")
if not deviceUDID:
self.skipTest(
"Could not find a simulator for {} ({})".format(platform_name,
arch)
@@ -78,34 +50,20 @@ def check_simulator_ostype(self, sdk, platform_name,
arch=platform.machine()):
},
compiler=clang,
)
- exe_path = os.path.realpath(self.getBuildArtifact(exe_name))
- cmd = [
- "xcrun",
- "simctl",
- "spawn",
- "-s",
+
+ # Launch the executable in the simulator
+ exe_path, matched_groups = lldbutil.launch_exe_in_apple_simulator(
deviceUDID,
- exe_path,
- "print-pid",
- "sleep:10",
- ]
- self.trace(" ".join(cmd))
- sim_launcher = subprocess.Popen(cmd, stderr=subprocess.PIPE)
- # Get the PID from the process output
- pid = None
-
- # Read the first READ_LINES to try to find the PID.
- for _ in range(0, self.READ_LINES):
- stderr = sim_launcher.stderr.readline().decode("utf-8")
- if not stderr:
- continue
- match = re.match(r"PID: (.*)", stderr)
- if match:
- pid = int(match.group(1))
- break
+ self.getBuildArtifact(exe_name),
+ ["print-pid", "sleep:10"],
+ self.READ_LINES,
+ [r"PID: (.*)"],
+ self.trace,
+ )
# Make sure we found the PID.
- self.assertIsNotNone(pid)
+ self.assertIsNotNone(matched_groups[0])
+ pid = int(matched_groups[0])
# Launch debug monitor attaching to the simulated process
server = self.connect_to_debug_monitor(attach_pid=pid)
>From 72183ce352af7bcce2db037ba791d3b78466ad9e Mon Sep 17 00:00:00 2001
From: Roy Shi <roy...@meta.com>
Date: Wed, 25 Jun 2025 11:13:24 -0700
Subject: [PATCH 7/7] Remove windows code from hello.cpp
---
lldb/test/API/macosx/simulator/hello.cpp | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/lldb/test/API/macosx/simulator/hello.cpp
b/lldb/test/API/macosx/simulator/hello.cpp
index 4c697059e8f9a..e202125da0929 100644
--- a/lldb/test/API/macosx/simulator/hello.cpp
+++ b/lldb/test/API/macosx/simulator/hello.cpp
@@ -1,16 +1,8 @@
#include <stdio.h>
#include <thread>
-#if !defined(_WIN32)
#include <unistd.h>
-#endif
-static void print_pid() {
-#if defined(_WIN32)
- fprintf(stderr, "PID: %d\n", ::GetCurrentProcessId());
-#else
- fprintf(stderr, "PID: %d\n", getpid());
-#endif
-}
+static void print_pid() { fprintf(stderr, "PID: %d\n", getpid()); }
static void sleep() { std::this_thread::sleep_for(std::chrono::seconds(10)); }
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