Fix jemalloc forward declarations (#6613)

Summary:
Add `nothrow` attribute to match declarations in jemalloc.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/6613

Reviewed By: igorsugak

Differential Revision: D20749490

fbshipit-source-id: 9ac8df27f7b4268f27b32b130c23ce8a1f772b3a
This commit is contained in:
Andrew Gallagher 2020-03-31 11:36:22 -07:00 committed by Zhichao Cao
parent b3f017fc31
commit 145d48a02e

View File

@ -40,21 +40,21 @@ static inline bool HasJemalloc() { return true; }
// Declare non-standard jemalloc APIs as weak symbols. We can null-check these
// symbols to detect whether jemalloc is linked with the binary.
extern "C" void* mallocx(size_t, int) __attribute__((__weak__));
extern "C" void* rallocx(void*, size_t, int) __attribute__((__weak__));
extern "C" size_t xallocx(void*, size_t, size_t, int) __attribute__((__weak__));
extern "C" size_t sallocx(const void*, int) __attribute__((__weak__));
extern "C" void dallocx(void*, int) __attribute__((__weak__));
extern "C" void sdallocx(void*, size_t, int) __attribute__((__weak__));
extern "C" size_t nallocx(size_t, int) __attribute__((__weak__));
extern "C" void* mallocx(size_t, int) __attribute__((__nothrow__, __weak__));
extern "C" void* rallocx(void*, size_t, int) __attribute__((__nothrow__, __weak__));
extern "C" size_t xallocx(void*, size_t, size_t, int) __attribute__((__nothrow__, __weak__));
extern "C" size_t sallocx(const void*, int) __attribute__((__nothrow__, __weak__));
extern "C" void dallocx(void*, int) __attribute__((__nothrow__, __weak__));
extern "C" void sdallocx(void*, size_t, int) __attribute__((__nothrow__, __weak__));
extern "C" size_t nallocx(size_t, int) __attribute__((__nothrow__, __weak__));
extern "C" int mallctl(const char*, void*, size_t*, void*, size_t)
__attribute__((__weak__));
__attribute__((__nothrow__, __weak__));
extern "C" int mallctlnametomib(const char*, size_t*, size_t*)
__attribute__((__weak__));
__attribute__((__nothrow__, __weak__));
extern "C" int mallctlbymib(const size_t*, size_t, void*, size_t*, void*,
size_t) __attribute__((__weak__));
size_t) __attribute__((__nothrow__, __weak__));
extern "C" void malloc_stats_print(void (*)(void*, const char*), void*,
const char*) __attribute__((__weak__));
const char*) __attribute__((__nothrow__, __weak__));
extern "C" size_t malloc_usable_size(JEMALLOC_USABLE_SIZE_CONST void*)
JEMALLOC_CXX_THROW __attribute__((__weak__));