--- base/threading/platform_thread_posix.cc.orig	2025-04-16 18:18:42 UTC
+++ base/threading/platform_thread_posix.cc
@@ -79,11 +79,11 @@ void* ThreadFunc(void* params) {
       base::DisallowSingleton();
     }
 
-#if PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC)
+#if PA_BUILDFLAG(USE_PARTITION_ALLOC_AS_MALLOC) && !BUILDFLAG(IS_BSD)
     partition_alloc::internal::StackTopRegistry::Get().NotifyThreadCreated();
 #endif
 
-#if !BUILDFLAG(IS_NACL)
+#if !BUILDFLAG(IS_NACL) && !BUILDFLAG(IS_BSD)
 #if BUILDFLAG(IS_APPLE)
     PlatformThread::SetCurrentThreadRealtimePeriodValue(
         delegate->GetRealtimePeriod());
@@ -272,6 +272,8 @@ PlatformThreadId PlatformThreadBase::CurrentId() {
   return PlatformThreadId(reinterpret_cast<int32_t>(pthread_self()));
 #elif BUILDFLAG(IS_POSIX) && BUILDFLAG(IS_AIX)
   return PlatformThreadId(pthread_self());
+#elif BUILDFLAG(IS_BSD)
+  return PlatformThreadId(reinterpret_cast<uint64_t>(pthread_self()));
 #elif BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_AIX)
   return PlatformThreadId(reinterpret_cast<int64_t>(pthread_self()));
 #endif
@@ -365,7 +367,7 @@ void PlatformThreadBase::Detach(PlatformThreadHandle t
 
 // static
 bool PlatformThreadBase::CanChangeThreadType(ThreadType from, ThreadType to) {
-#if BUILDFLAG(IS_NACL)
+#if BUILDFLAG(IS_NACL) || BUILDFLAG(IS_BSD)
   return false;
 #else
   if (from >= to) {
@@ -386,6 +388,9 @@ void SetCurrentThreadTypeImpl(ThreadType thread_type,
                               MessagePumpType pump_type_hint) {
 #if BUILDFLAG(IS_NACL)
   NOTIMPLEMENTED();
+// avoid pledge(2) violation
+#elif BUILDFLAG(IS_BSD)
+   NOTIMPLEMENTED();
 #else
   if (internal::SetCurrentThreadTypeForPlatform(thread_type, pump_type_hint)) {
     return;
@@ -409,7 +414,7 @@ void SetCurrentThreadTypeImpl(ThreadType thread_type,
 
 // static
 ThreadPriorityForTest PlatformThreadBase::GetCurrentThreadPriorityForTest() {
-#if BUILDFLAG(IS_NACL)
+#if BUILDFLAG(IS_NACL) || BUILDFLAG(IS_BSD)
   NOTIMPLEMENTED();
   return ThreadPriorityForTest::kNormal;
 #else
