Avoid function prototype incompatibilities.

Add various function attributes to the exported functions to give the
compiler more information to work with during optimization, and also
specify throw() when compiling with C++ on Linux, in order to adequately
match what __THROW does in glibc.

This resolves #237.
This commit is contained in:
Jason Evans
2015-07-10 14:33:00 -07:00
parent dde067264d
commit ae93d6bf36
7 changed files with 100 additions and 49 deletions

View File

@@ -17,5 +17,12 @@
*/
#undef JEMALLOC_USABLE_SIZE_CONST
/*
* If defined, specify throw() for the public function prototypes when compiling
* with C++. The only justification for this is to match the prototypes that
* glibc defines.
*/
#undef JEMALLOC_USE_CXX_THROW
/* sizeof(void *) == 2^LG_SIZEOF_PTR. */
#undef LG_SIZEOF_PTR

View File

@@ -30,14 +30,23 @@
*/
# define MALLOCX_ARENA(a) ((int)(((a)+1) << 20))
#if defined(__cplusplus) && defined(JEMALLOC_USE_CXX_THROW)
# define JEMALLOC_CXX_THROW throw()
#else
# define JEMALLOC_CXX_THROW
#endif
#ifdef JEMALLOC_HAVE_ATTR
# define JEMALLOC_ATTR(s) __attribute__((s))
# ifndef JEMALLOC_EXPORT
# define JEMALLOC_EXPORT JEMALLOC_ATTR(visibility("default"))
# endif
# define JEMALLOC_ALIGNED(s) JEMALLOC_ATTR(aligned(s))
# define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s))
# define JEMALLOC_ALLOC_SIZE(s) JEMALLOC_ATTR(alloc_size(s))
# define JEMALLOC_ALLOC_SIZE2(s1, s2) JEMALLOC_ATTR(alloc_size(s1, s2))
# define JEMALLOC_NOINLINE JEMALLOC_ATTR(noinline)
# define JEMALLOC_NOTHROW JEMALLOC_ATTR(nothrow)
# define JEMALLOC_SECTION(s) JEMALLOC_ATTR(section(s))
#elif _MSC_VER
# define JEMALLOC_ATTR(s)
# ifndef JEMALLOC_EXPORT
@@ -48,12 +57,18 @@
# endif
# endif
# define JEMALLOC_ALIGNED(s) __declspec(align(s))
# define JEMALLOC_SECTION(s) __declspec(allocate(s))
# define JEMALLOC_ALLOC_SIZE(s)
# define JEMALLOC_ALLOC_SIZE2(s1, s2)
# define JEMALLOC_NOINLINE __declspec(noinline)
# define JEMALLOC_NOTHROW __declspec(nothrow)
# define JEMALLOC_SECTION(s) __declspec(allocate(s))
#else
# define JEMALLOC_ATTR(s)
# define JEMALLOC_EXPORT
# define JEMALLOC_ALIGNED(s)
# define JEMALLOC_SECTION(s)
# define JEMALLOC_ALLOC_SIZE(s)
# define JEMALLOC_ALLOC_SIZE2(s1, s2)
# define JEMALLOC_NOINLINE
# define JEMALLOC_NOTHROW
# define JEMALLOC_SECTION(s)
#endif

View File

@@ -7,44 +7,52 @@ extern JEMALLOC_EXPORT const char *@je_@malloc_conf;
extern JEMALLOC_EXPORT void (*@je_@malloc_message)(void *cbopaque,
const char *s);
JEMALLOC_EXPORT void *@je_@malloc(size_t size) JEMALLOC_ATTR(malloc);
JEMALLOC_EXPORT void *@je_@calloc(size_t num, size_t size)
JEMALLOC_ATTR(malloc);
JEMALLOC_EXPORT void *@je_@malloc(size_t size) JEMALLOC_CXX_THROW
JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void *@je_@calloc(size_t num, size_t size) JEMALLOC_CXX_THROW
JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE2(1, 2) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT int @je_@posix_memalign(void **memptr, size_t alignment,
size_t size) JEMALLOC_ATTR(nonnull(1));
size_t size) JEMALLOC_CXX_THROW JEMALLOC_ATTR(nonnull(1))
JEMALLOC_ALLOC_SIZE(2) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void *@je_@aligned_alloc(size_t alignment, size_t size)
JEMALLOC_ATTR(malloc);
JEMALLOC_EXPORT void *@je_@realloc(void *ptr, size_t size);
JEMALLOC_EXPORT void @je_@free(void *ptr);
JEMALLOC_CXX_THROW JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(2)
JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void *@je_@realloc(void *ptr, size_t size) JEMALLOC_CXX_THROW
JEMALLOC_ALLOC_SIZE(2) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void @je_@free(void *ptr) JEMALLOC_CXX_THROW
JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void *@je_@mallocx(size_t size, int flags)
JEMALLOC_ATTR(malloc);
JEMALLOC_EXPORT void *@je_@rallocx(void *ptr, size_t size, int flags);
JEMALLOC_ATTR(malloc) JEMALLOC_ALLOC_SIZE(1) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void *@je_@rallocx(void *ptr, size_t size, int flags)
JEMALLOC_ALLOC_SIZE(2) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT size_t @je_@xallocx(void *ptr, size_t size, size_t extra,
int flags);
int flags) JEMALLOC_ALLOC_SIZE(2) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT size_t @je_@sallocx(const void *ptr, int flags)
JEMALLOC_ATTR(pure);
JEMALLOC_EXPORT void @je_@dallocx(void *ptr, int flags);
JEMALLOC_EXPORT void @je_@sdallocx(void *ptr, size_t size, int flags);
JEMALLOC_ATTR(pure) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void @je_@dallocx(void *ptr, int flags) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void @je_@sdallocx(void *ptr, size_t size, int flags)
JEMALLOC_NOTHROW;
JEMALLOC_EXPORT size_t @je_@nallocx(size_t size, int flags)
JEMALLOC_ATTR(pure);
JEMALLOC_ATTR(pure) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT int @je_@mallctl(const char *name, void *oldp,
size_t *oldlenp, void *newp, size_t newlen);
size_t *oldlenp, void *newp, size_t newlen) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT int @je_@mallctlnametomib(const char *name, size_t *mibp,
size_t *miblenp);
size_t *miblenp) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT int @je_@mallctlbymib(const size_t *mib, size_t miblen,
void *oldp, size_t *oldlenp, void *newp, size_t newlen);
void *oldp, size_t *oldlenp, void *newp, size_t newlen) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT void @je_@malloc_stats_print(void (*write_cb)(void *,
const char *), void *@je_@cbopaque, const char *opts);
const char *), void *@je_@cbopaque, const char *opts) JEMALLOC_NOTHROW;
JEMALLOC_EXPORT size_t @je_@malloc_usable_size(
JEMALLOC_USABLE_SIZE_CONST void *ptr);
JEMALLOC_USABLE_SIZE_CONST void *ptr) JEMALLOC_CXX_THROW JEMALLOC_NOTHROW;
#ifdef JEMALLOC_OVERRIDE_MEMALIGN
JEMALLOC_EXPORT void * @je_@memalign(size_t alignment, size_t size)
JEMALLOC_EXPORT void *@je_@memalign(size_t alignment, size_t size)
JEMALLOC_ATTR(malloc);
#endif
#ifdef JEMALLOC_OVERRIDE_VALLOC
JEMALLOC_EXPORT void * @je_@valloc(size_t size) JEMALLOC_ATTR(malloc);
JEMALLOC_EXPORT void *@je_@valloc(size_t size) JEMALLOC_CXX_THROW
JEMALLOC_ATTR(malloc);
#endif