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Refactor bootstrapping to delay tsd initialization.

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Refactor bootstrapping to delay tsd initialization, primarily to support
integration with FreeBSD's libc.

Refactor a0*() for internal-only use, and add the
bootstrap_{malloc,calloc,free}() API for use by FreeBSD's libc.  This
separation limits use of the a0*() functions to metadata allocation,
which doesn't require malloc/calloc/free API compatibility.

This resolves #170.
This commit is contained in:
Jason Evans 2015-01-20 15:37:51 -08:00 • committed by Jason Evans
parent bc96876f99
commit 10aff3f3e1
6 changed files with 210 additions and 132 deletions
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5
include/jemalloc/internal/jemalloc_internal.h.in
View file

@ -404,9 +404,8 @@ extern size_t const index2size_tab[NSIZES];
extern uint8_t const size2index_tab[];
arena_t *a0get(void);
void *a0malloc(size_t size);
void *a0calloc(size_t num, size_t size);
void a0free(void *ptr);
void *a0malloc(size_t size, bool zero);
void a0dalloc(void *ptr);
arena_t *arenas_extend(unsigned ind);
arena_t *arena_init(unsigned ind);
unsigned narenas_total_get(void);

6
include/jemalloc/internal/private_symbols.txt
View file

@ -1,5 +1,4 @@
a0calloc
a0free
a0dalloc
a0get
a0malloc
arena_get
@ -107,6 +106,9 @@ bitmap_set
bitmap_sfu
bitmap_size
bitmap_unset
bootstrap_calloc
bootstrap_free
bootstrap_malloc
bt_init
buferror
chunk_alloc_arena

2
include/jemalloc/internal/tsd.h
View file

@ -48,7 +48,7 @@ typedef enum {
* void example_tsd_set(example_t *val) {...}
*
* Note that all of the functions deal in terms of (a_type *) rather than
* (a_type) so that it is possible to support non-pointer types (unlike
* (a_type) so that it is possible to support non-pointer types (unlike
* pthreads TSD). example_tsd_cleanup() is passed an (a_type *) pointer that is
* cast to (void *). This means that the cleanup function needs to cast the
* function argument to (a_type *), then dereference the resulting pointer to