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--- lib/Support/OSCompatPosix.cpp.orig 2024-08-15 07:17:16 UTC
+++ lib/Support/OSCompatPosix.cpp
@@ -24,6 +24,11 @@
#define RUSAGE_THREAD 1
#endif
#endif // __linux__
+
+#if defined(__FreeBSD__)
+#include <pthread_np.h>
+#define pthread_getattr_np pthread_attr_get_np
+#endif
#include <pthread.h>
#include <sys/types.h>
@@ -221,7 +226,7 @@ static constexpr int kVMReserveFlags =
static constexpr int kVMReserveProt = PROT_NONE;
static constexpr int kVMReserveFlags =
- MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE;
+ MAP_PRIVATE | MAP_ANONYMOUS;
llvh::ErrorOr<void *>
vm_reserve_aligned(size_t sz, size_t alignment, void *hint) {
@@ -269,7 +274,7 @@ void vm_unused(void *p, size_t sz) {
/// the process's physical footprint.
#define MADV_UNUSED MADV_FREE
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__)
/// On linux, telling the OS that we \p MADV_DONTNEED some pages will cause it
/// to immediately deduct their size from the process's resident set.
@@ -603,6 +608,12 @@ uint64_t global_thread_id() {
return syscall(__NR_gettid);
}
+#elif defined(__FreeBSD__)
+
+uint64_t global_thread_id() {
+ return reinterpret_cast<uint64_t>(pthread_self());
+}
+
#else
#error "Thread ID not supported on this platform"
#endif
@@ -685,7 +696,7 @@ std::chrono::microseconds thread_cpu_time() {
return microseconds(total);
}
-#elif defined(__linux__) // !(__APPLE__ && __MACH__)
+#elif defined(__linux__) || defined(__FreeBSD__) // !(__APPLE__ && __MACH__)
std::chrono::microseconds thread_cpu_time() {
using namespace std::chrono;
@@ -722,7 +733,7 @@ bool thread_page_fault_count(int64_t *outMinorFaults,
return kr == KERN_SUCCESS;
}
-#elif defined(__linux__) // !(__APPLE__ && __MACH__)
+#elif defined(__linux__) || defined(__FreeBSD__) // !(__APPLE__ && __MACH__)
bool thread_page_fault_count(int64_t *outMinorFaults, int64_t *outMajorFaults) {
struct rusage stats = {};
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