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eeb20775d2
This will help C++ code that uses exceptions to be tinier. For example, this change shaves away 1000 lines of assembly code from LLVM's libcxx, which is 0.7% of all assembly instructions in the entire library.
61 lines
2.7 KiB
C
61 lines
2.7 KiB
C
#ifndef COSMOPOLITAN_LIBC_MEM_MEM_H_
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#define COSMOPOLITAN_LIBC_MEM_MEM_H_
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#define M_TRIM_THRESHOLD (-1)
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#define M_GRANULARITY (-2)
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#define M_MMAP_THRESHOLD (-3)
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COSMOPOLITAN_C_START_
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § dynamic memory ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void free(void *) libcesque;
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void *malloc(size_t) attributeallocsize((1)) mallocesque;
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void *calloc(size_t, size_t) attributeallocsize((1, 2)) mallocesque;
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void *memalign(size_t, size_t) attributeallocalign((1))
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attributeallocsize((2)) returnspointerwithnoaliases libcesque __wur;
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void *realloc(void *, size_t) reallocesque;
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void *realloc_in_place(void *, size_t) reallocesque;
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void *reallocarray(void *, size_t, size_t) __wur;
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void *valloc(size_t) attributeallocsize((1)) vallocesque;
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void *pvalloc(size_t) vallocesque;
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char *strdup(const char *) paramsnonnull() mallocesque;
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char *strndup(const char *, size_t) paramsnonnull() mallocesque;
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void *aligned_alloc(size_t, size_t) attributeallocalign((1))
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attributeallocsize((2)) returnspointerwithnoaliases libcesque __wur;
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int posix_memalign(void **, size_t, size_t) libcesque;
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int mallopt(int, int) libcesque;
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int malloc_trim(size_t) libcesque;
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size_t bulk_free(void **, size_t) libcesque;
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size_t malloc_usable_size(void *) libcesque;
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void **independent_calloc(size_t, size_t, void **) libcesque;
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void **independent_comalloc(size_t, size_t *, void **) libcesque;
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wchar_t *wcsdup(const wchar_t *) strlenesque __wur;
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struct mallinfo {
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size_t arena; /* non-mmapped space allocated from system */
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size_t ordblks; /* number of free chunks */
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size_t smblks; /* always 0 */
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size_t hblks; /* always 0 */
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size_t hblkhd; /* space in mmapped regions */
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size_t usmblks; /* maximum total allocated space */
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size_t fsmblks; /* always 0 */
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size_t uordblks; /* total allocated space */
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size_t fordblks; /* total free space */
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size_t keepcost; /* releasable (via malloc_trim) space */
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};
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struct mallinfo mallinfo(void) libcesque;
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size_t malloc_footprint(void) libcesque;
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size_t malloc_max_footprint(void) libcesque;
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size_t malloc_footprint_limit(void) libcesque;
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size_t malloc_set_footprint_limit(size_t) libcesque;
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void malloc_inspect_all(void (*)(void *, void *, size_t, void *), void *);
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_MEM_MEM_H_ */
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