Dep/jemalloc: Update to 5.3.0

Closes #31684

(cherry picked from commit ec31dc8d3ce302e42c26359adc894bd736a45fb2)
This commit is contained in:
Shauren authored and Ovahlord committed 2026-02-28 11:17:30 +01:00
1 parent 44ed223456
commit b17996419b
194 files changed
+28410 -12418

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+124 -11
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@@ -39,9 +39,29 @@ void operator delete(void *ptr, std::size_t size) noexcept;
void operator delete[](void *ptr, std::size_t size) noexcept;
#endif
#if __cpp_aligned_new >= 201606
/* C++17's over-aligned operators. */
void *operator new(std::size_t size, std::align_val_t);
void *operator new(std::size_t size, std::align_val_t, const std::nothrow_t &) noexcept;
void *operator new[](std::size_t size, std::align_val_t);
void *operator new[](std::size_t size, std::align_val_t, const std::nothrow_t &) noexcept;
void operator delete(void* ptr, std::align_val_t) noexcept;
void operator delete(void* ptr, std::align_val_t, const std::nothrow_t &) noexcept;
void operator delete(void* ptr, std::size_t size, std::align_val_t al) noexcept;
void operator delete[](void* ptr, std::align_val_t) noexcept;
void operator delete[](void* ptr, std::align_val_t, const std::nothrow_t &) noexcept;
void operator delete[](void* ptr, std::size_t size, std::align_val_t al) noexcept;
#endif
JEMALLOC_NOINLINE
static void *
handleOOM(std::size_t size, bool nothrow) {
if (opt_experimental_infallible_new) {
safety_check_fail("<jemalloc>: Allocation failed and "
"opt.experimental_infallible_new is true. Aborting.\n");
return nullptr;
}
void *ptr = nullptr;
while (ptr == nullptr) {
@@ -71,15 +91,22 @@ handleOOM(std::size_t size, bool nothrow) {
return ptr;
}
template <bool IsNoExcept>
JEMALLOC_NOINLINE
static void *
fallback_impl(std::size_t size) noexcept(IsNoExcept) {
void *ptr = malloc_default(size);
if (likely(ptr != nullptr)) {
return ptr;
}
return handleOOM(size, IsNoExcept);
}
template <bool IsNoExcept>
JEMALLOC_ALWAYS_INLINE
void *
newImpl(std::size_t size) noexcept(IsNoExcept) {
void *ptr = je_malloc(size);
if (likely(ptr != nullptr))
return ptr;
return handleOOM(size, IsNoExcept);
return imalloc_fastpath(size, &fallback_impl<IsNoExcept>);
}
void *
@@ -102,6 +129,42 @@ operator new[](std::size_t size, const std::nothrow_t &) noexcept {
return newImpl<true>(size);
}
#if __cpp_aligned_new >= 201606
template <bool IsNoExcept>
JEMALLOC_ALWAYS_INLINE
void *
alignedNewImpl(std::size_t size, std::align_val_t alignment) noexcept(IsNoExcept) {
void *ptr = je_aligned_alloc(static_cast<std::size_t>(alignment), size);
if (likely(ptr != nullptr)) {
return ptr;
}
return handleOOM(size, IsNoExcept);
}
void *
operator new(std::size_t size, std::align_val_t alignment) {
return alignedNewImpl<false>(size, alignment);
}
void *
operator new[](std::size_t size, std::align_val_t alignment) {
return alignedNewImpl<false>(size, alignment);
}
void *
operator new(std::size_t size, std::align_val_t alignment, const std::nothrow_t &) noexcept {
return alignedNewImpl<true>(size, alignment);
}
void *
operator new[](std::size_t size, std::align_val_t alignment, const std::nothrow_t &) noexcept {
return alignedNewImpl<true>(size, alignment);
}
#endif // __cpp_aligned_new
void
operator delete(void *ptr) noexcept {
je_free(ptr);
@@ -123,19 +186,69 @@ void operator delete[](void *ptr, const std::nothrow_t &) noexcept {
#if __cpp_sized_deallocation >= 201309
JEMALLOC_ALWAYS_INLINE
void
operator delete(void *ptr, std::size_t size) noexcept {
sizedDeleteImpl(void* ptr, std::size_t size) noexcept {
if (unlikely(ptr == nullptr)) {
return;
}
je_sdallocx_noflags(ptr, size);
}
void operator delete[](void *ptr, std::size_t size) noexcept {
if (unlikely(ptr == nullptr)) {
return;
}
je_sdallocx_noflags(ptr, size);
void
operator delete(void *ptr, std::size_t size) noexcept {
sizedDeleteImpl(ptr, size);
}
void
operator delete[](void *ptr, std::size_t size) noexcept {
sizedDeleteImpl(ptr, size);
}
#endif // __cpp_sized_deallocation
#if __cpp_aligned_new >= 201606
JEMALLOC_ALWAYS_INLINE
void
alignedSizedDeleteImpl(void* ptr, std::size_t size, std::align_val_t alignment) noexcept {
if (config_debug) {
assert(((size_t)alignment & ((size_t)alignment - 1)) == 0);
}
if (unlikely(ptr == nullptr)) {
return;
}
je_sdallocx(ptr, size, MALLOCX_ALIGN(alignment));
}
void
operator delete(void* ptr, std::align_val_t) noexcept {
je_free(ptr);
}
void
operator delete[](void* ptr, std::align_val_t) noexcept {
je_free(ptr);
}
void
operator delete(void* ptr, std::align_val_t, const std::nothrow_t&) noexcept {
je_free(ptr);
}
void
operator delete[](void* ptr, std::align_val_t, const std::nothrow_t&) noexcept {
je_free(ptr);
}
void
operator delete(void* ptr, std::size_t size, std::align_val_t alignment) noexcept {
alignedSizedDeleteImpl(ptr, size, alignment);
}
void
operator delete[](void* ptr, std::size_t size, std::align_val_t alignment) noexcept {
alignedSizedDeleteImpl(ptr, size, alignment);
}
#endif // __cpp_aligned_new