src/lib/libc/stdlib/jemalloc.c - diff

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version 1.44, 2017/12/01 22:47:06

version 1.44.4.1, 2019/06/10 22:05:21

Line 704 static chunk_tree_t huge;

* base_pages_alloc() also uses sbrk(), but cannot lock chunks_mtx (doing so

* could cause recursive lock acquisition).

#ifdef _REENTRANT

static malloc_mutex_t brk_mtx;

#endif

/* Result of first sbrk(0) call. */

static void *brk_base;

/* Current end of brk, or ((void *)-1) if brk is exhausted. */

Line 1704 arena_run_reg_alloc(arena_run_t *run, ar

Line 1706 arena_run_reg_alloc(arena_run_t *run, ar

+ (bin->reg_size * regind));

/* Clear bit. */

mask ^= (1 << bit);

mask ^= (1U << bit);

run->regs_mask[i] = mask;

return (ret);

Line 1721 arena_run_reg_alloc(arena_run_t *run, ar

Line 1723 arena_run_reg_alloc(arena_run_t *run, ar

+ (bin->reg_size * regind));

/* Clear bit. */

mask ^= (1 << bit);

mask ^= (1U << bit);

run->regs_mask[i] = mask;

Line 1836 arena_run_reg_dalloc(arena_run_t *run, a

Line 1838 arena_run_reg_dalloc(arena_run_t *run, a

if (elm < run->regs_minelm)

run->regs_minelm = elm;

bit = regind - (elm << (SIZEOF_INT_2POW + 3));

assert((run->regs_mask[elm] & (1 << bit)) == 0);

assert((run->regs_mask[elm] & (1U << bit)) == 0);

run->regs_mask[elm] |= (1 << bit);

run->regs_mask[elm] |= (1U << bit);

#undef SIZE_INV

#undef SIZE_INV_SHIFT

}