mgorny updated this revision to Diff 229730.
mgorny retitled this revision from "[lldb] [test] Fix lldb-server/thread-name
test code for NetBSD" to "[lldb] [Process/NetBSD] Implement thread name
getting".
mgorny edited the summary of this revision.
mgorny added a comment.
Went a bit further and implemented the missing feature.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D70363/new/
https://reviews.llvm.org/D70363
Files:
lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
Index: lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
===================================================================
--- lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
+++ lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
@@ -19,6 +19,8 @@
#include <sstream>
+#include <sys/sysctl.h>
+
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::process_netbsd;
@@ -105,7 +107,37 @@
m_stop_info.reason = StopReason::eStopReasonNone;
}
-std::string NativeThreadNetBSD::GetName() { return std::string(""); }
+std::string NativeThreadNetBSD::GetName() {
+ Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD));
+
+ std::vector<struct kinfo_lwp> infos;
+ int mib[5] = {CTL_KERN, KERN_LWP, static_cast<int>(m_process.GetID()),
+ sizeof(struct kinfo_lwp), 0};
+ size_t size;
+
+ if (::sysctl(mib, 5, nullptr, &size, nullptr, 0) == -1 || size == 0) {
+ LLDB_LOG(log, "sysctl() for LWP info size failed: {0}", strerror(errno));
+ return "";
+ }
+
+ mib[4] = size / sizeof(size_t);
+ infos.resize(size / sizeof(struct kinfo_lwp));
+
+ if (sysctl(mib, 5, infos.data(), &size, NULL, 0) == -1 || size == 0) {
+ LLDB_LOG(log, "sysctl() for LWP info failed: {0}", strerror(errno));
+ return "";
+ }
+
+ size_t nlwps = size / sizeof(struct kinfo_lwp);
+ for (size_t i = 0; i < nlwps; i++) {
+ if (static_cast<lldb::tid_t>(infos[i].l_lid) == m_tid) {
+ return infos[i].l_name;
+ }
+ }
+
+ LLDB_LOG(log, "unable to find lwp {0} in LWP infos", m_tid);
+ return "";
+}
lldb::StateType NativeThreadNetBSD::GetState() { return m_state; }
Index:
lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
===================================================================
--- lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
+++ lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
@@ -9,7 +9,8 @@
#elif defined(__linux__)
::pthread_setname_np(::pthread_self(), name);
#elif defined(__NetBSD__)
- ::pthread_setname_np(::pthread_self(), "%s", name);
+ ::pthread_setname_np(::pthread_self(), "%s",
+ const_cast<void *>(static_cast<const void *>(name)));
#endif
}
Index:
lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
===================================================================
---
lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
+++
lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
@@ -30,7 +30,6 @@
self.assertEqual(expected_name, kv_dict.get("name"))
@skipIfWindows # the test is not updated for Windows.
- @skipIfNetBSD # build failure due to pthread_setname_np prototype
@llgs_test
def test(self):
""" Make sure lldb-server can retrieve inferior thread name"""
Index: lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
===================================================================
--- lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
+++ lldb/source/Plugins/Process/NetBSD/NativeThreadNetBSD.cpp
@@ -19,6 +19,8 @@
#include <sstream>
+#include <sys/sysctl.h>
+
using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::process_netbsd;
@@ -105,7 +107,37 @@
m_stop_info.reason = StopReason::eStopReasonNone;
}
-std::string NativeThreadNetBSD::GetName() { return std::string(""); }
+std::string NativeThreadNetBSD::GetName() {
+ Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_THREAD));
+
+ std::vector<struct kinfo_lwp> infos;
+ int mib[5] = {CTL_KERN, KERN_LWP, static_cast<int>(m_process.GetID()),
+ sizeof(struct kinfo_lwp), 0};
+ size_t size;
+
+ if (::sysctl(mib, 5, nullptr, &size, nullptr, 0) == -1 || size == 0) {
+ LLDB_LOG(log, "sysctl() for LWP info size failed: {0}", strerror(errno));
+ return "";
+ }
+
+ mib[4] = size / sizeof(size_t);
+ infos.resize(size / sizeof(struct kinfo_lwp));
+
+ if (sysctl(mib, 5, infos.data(), &size, NULL, 0) == -1 || size == 0) {
+ LLDB_LOG(log, "sysctl() for LWP info failed: {0}", strerror(errno));
+ return "";
+ }
+
+ size_t nlwps = size / sizeof(struct kinfo_lwp);
+ for (size_t i = 0; i < nlwps; i++) {
+ if (static_cast<lldb::tid_t>(infos[i].l_lid) == m_tid) {
+ return infos[i].l_name;
+ }
+ }
+
+ LLDB_LOG(log, "unable to find lwp {0} in LWP infos", m_tid);
+ return "";
+}
lldb::StateType NativeThreadNetBSD::GetState() { return m_state; }
Index: lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
===================================================================
--- lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
+++ lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/main.cpp
@@ -9,7 +9,8 @@
#elif defined(__linux__)
::pthread_setname_np(::pthread_self(), name);
#elif defined(__NetBSD__)
- ::pthread_setname_np(::pthread_self(), "%s", name);
+ ::pthread_setname_np(::pthread_self(), "%s",
+ const_cast<void *>(static_cast<const void *>(name)));
#endif
}
Index: lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
===================================================================
--- lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
+++ lldb/packages/Python/lldbsuite/test/tools/lldb-server/thread-name/TestGdbRemoteThreadName.py
@@ -30,7 +30,6 @@
self.assertEqual(expected_name, kv_dict.get("name"))
@skipIfWindows # the test is not updated for Windows.
- @skipIfNetBSD # build failure due to pthread_setname_np prototype
@llgs_test
def test(self):
""" Make sure lldb-server can retrieve inferior thread name"""
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