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Implement C23's free_sized and free_aligned_sized

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[N2699 - Sized Memory Deallocation](https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2699.htm)
introduced two new functions which were incorporated into the C23
standard, `free_sized` and `free_aligned_sized`. Both already have
analogues in Jemalloc, all we are doing here is adding the appropriate
wrappers.
This commit is contained in:
Kevin Svetlitski 2023-07-14 13:14:06 -07:00 • committed by Qi Wang
parent 41e0b857be
commit cdb2c0e02f
5 changed files with 75 additions and 1 deletions
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17
src/jemalloc.c
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@ -2990,6 +2990,16 @@ je_free(void *ptr) {
LOG("core.free.exit", "");
}
JEMALLOC_EXPORT void JEMALLOC_NOTHROW
je_free_sized(void *ptr, size_t size) {
return je_sdallocx_noflags(ptr, size);
}
JEMALLOC_EXPORT void JEMALLOC_NOTHROW
je_free_aligned_sized(void *ptr, size_t alignment, size_t size) {
return je_sdallocx(ptr, size, /* flags */ MALLOCX_ALIGN(alignment));
}
/*
* End malloc(3)-compatible functions.
*/
@ -3153,6 +3163,13 @@ void *__libc_calloc(size_t n, size_t size) PREALIAS(je_calloc);
# ifdef JEMALLOC_OVERRIDE___LIBC_FREE
void __libc_free(void* ptr) PREALIAS(je_free);
# endif
# ifdef JEMALLOC_OVERRIDE___LIBC_FREE_SIZED
void __libc_free_sized(void* ptr, size_t size) PREALIAS(je_free_sized);
# endif
# ifdef JEMALLOC_OVERRIDE___LIBC_FREE_ALIGNED_SIZED
void __libc_free_aligned_sized(
void* ptr, size_t alignment, size_t size) PREALIAS(je_free_aligned_sized);
# endif
# ifdef JEMALLOC_OVERRIDE___LIBC_MALLOC
void *__libc_malloc(size_t size) PREALIAS(je_malloc);
# endif