Yuri Victorovich
000e016f64
All other failing tests fail spuriously due to parallel contention. They all pass when run individually.
34 lines
1.4 KiB
C++
34 lines
1.4 KiB
C++
--- src/runtime/stack_overflow.cpp.orig 2026-03-27 12:45:03 UTC
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+++ src/runtime/stack_overflow.cpp
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@@ -21,6 +21,11 @@ Port of the corresponding Rust code (see links below).
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#include <initializer_list>
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#include "runtime/stack_overflow.h"
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+#if defined(__FreeBSD__)
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+#include <pthread_np.h>
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+#define pthread_getattr_np pthread_attr_get_np
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+#endif
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+
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namespace lean {
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// stack guard of the main thread
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static stack_guard * g_stack_guard;
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@@ -64,8 +69,18 @@ bool is_within_stack_guard(void * addr) {
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#endif
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// close enough; the actual guard might be bigger, but it's unlikely a Lean function will have stack frames that big
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size_t guardsize = static_cast<size_t>(sysconf(_SC_PAGESIZE));
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+#if defined(__FreeBSD__)
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+ // On FreeBSD the guard page position depends on how the thread was created:
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+ // - Main thread with ulimit: guard is below stackaddr (Linux-style, linux_check)
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+ // - Spawned threads with explicit stacksize: guard is the first page of the
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+ // region starting at stackaddr (freebsd_check)
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+ // Accept either convention.
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+ return (stackaddr - guardsize <= addr && addr < stackaddr) ||
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+ (stackaddr <= addr && addr < stackaddr + guardsize);
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+#else
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// the stack guard is *below* the stack
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return stackaddr - guardsize <= addr && addr < stackaddr;
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+#endif
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}
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extern "C" LEAN_EXPORT void segv_handler(int signum, siginfo_t * info, void *) {
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