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--- folly/debugging/symbolizer/SignalHandler.cpp.orig 2025-11-05 08:46:58 UTC
+++ folly/debugging/symbolizer/SignalHandler.cpp
@@ -159,7 +159,12 @@ bool try_async_reraise(int signum, siginfo_t* info) {
if (errno != EBADF) { // EBADF here means PIDFD_SELF is not yet supported
return false;
}
+#if defined(__linux__)
auto const tid = linux_syscall(FOLLY_SYS_gettid);
+#elif defined(__FreeBSD__)
+ long tid = 0;
+ syscall(432, &tid);
+#endif
// pidfd_open introduced in linux-5.3 (released 2019-09-15)
int const fd = to_narrow(linux_syscall(nr_pidfd_open, tid, 0));
if (-1 == fd) {
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