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[lldb][test] Workaround older systems that lack gettid #104831

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Merged
merged 1 commit into from
Aug 21, 2024
Merged

[lldb][test] Workaround older systems that lack gettid #104831

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11 changes: 11 additions & 0 deletions lldb/unittests/Process/elf-core/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
include(CheckSymbolExists)
include(CMakePushCheckState)

add_lldb_unittest(ProcessElfCoreTests
ThreadElfCoreTest.cpp

Expand All @@ -13,3 +16,11 @@ add_lldb_unittest(ProcessElfCoreTests
LINK_COMPONENTS
Support
)

cmake_push_check_state()
set(CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
check_symbol_exists(gettid "unistd.h" HAVE_GETTID)
if(HAVE_GETTID)
target_compile_definitions(ProcessElfCoreTests PRIVATE HAVE_GETTID)
endif()
cmake_pop_check_state()
5 changes: 5 additions & 0 deletions lldb/unittests/Process/elf-core/ThreadElfCoreTest.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,11 @@
#include <mutex>
#include <unistd.h>

#ifndef HAVE_GETTID
#include <sys/syscall.h>
pid_t gettid() { return ((pid_t)syscall(SYS_gettid)); }
#endif

using namespace lldb_private;

namespace {
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