umem_base.h File Reference

#include <umem_impl.h>
#include "misc.h"

Go to the source code of this file.

Macros
#define	PAGESIZE   pagesize
#define	UMEM_REAP_DONE   0x00000000 /* inactive */
#define	UMEM_REAP_ADDING   0x00000001 /* umem_reap() is active */
#define	UMEM_REAP_ACTIVE   0x00000002 /* update thread is reaping */

Functions
int	umem_init (void)
void *	_umem_alloc (size_t size, int umflags)
void *	_umem_zalloc (size_t size, int umflags)
void	_umem_free (void *buf, size_t size)
void *	_umem_cache_alloc (umem_cache_t *cache, int flags)
void	_umem_cache_free (umem_cache_t *cache, void *buffer)
void	umem_type_init (caddr_t, size_t, size_t)
int	umem_get_max_ncpus (void)
void	umem_process_updates (void)
void	umem_cache_applyall (void(*)(umem_cache_t *))
void	umem_cache_update (umem_cache_t *)
void	umem_forkhandler_init (void)
int	umem_create_update_thread (void)
void	umem_setup_envvars (int)
void	umem_process_envvars (void)

Variables
size_t	pagesize
vmem_t *	umem_memalign_arena
int	umem_ready
thread_t	umem_init_thr
umem_log_header_t *	umem_transaction_log
umem_log_header_t *	umem_content_log
umem_log_header_t *	umem_failure_log
umem_log_header_t *	umem_slab_log
mutex_t	umem_init_lock
mutex_t	umem_cache_lock
umem_cache_t	umem_null_cache
mutex_t	umem_flags_lock
mutex_t	umem_update_lock
cond_t	umem_update_cv
volatile thread_t	umem_st_update_thr
thread_t	umem_update_thr
struct timeval	umem_update_next
volatile hrtime_t	umem_reap_next
volatile uint32_t	umem_reaping
uint32_t	umem_max_ncpus
uint32_t	umem_stack_depth
uint32_t	umem_reap_interval
uint32_t	umem_update_interval
uint32_t	umem_depot_contention
uint32_t	umem_abort
uint32_t	umem_output
uint32_t	umem_logging
uint32_t	umem_mtbf
size_t	umem_transaction_log_size
size_t	umem_content_log_size
size_t	umem_failure_log_size
size_t	umem_slab_log_size
size_t	umem_content_maxsave
size_t	umem_lite_minsize
size_t	umem_lite_maxalign
size_t	umem_maxverify
size_t	umem_minfirewall
uint32_t	umem_flags

Macro Definition Documentation

#define PAGESIZE   pagesize

#define UMEM_REAP_ACTIVE   0x00000002 /* update thread is reaping */

Referenced by umem_reap().

#define UMEM_REAP_ADDING   0x00000001 /* umem_reap() is active */

Referenced by umem_reap().

#define UMEM_REAP_DONE   0x00000000 /* inactive */

Referenced by umem_reap().

Function Documentation

void* _umem_alloc	(	size_t	size,
		int	umflags
	)

References _umem_cache_alloc(), ASSERT, umem_cache::cache_flags, UMEM_ALIGN_SHIFT, UMEM_BUFTAG, umem_init(), UMEM_REDZONE_BYTE, UMEM_SIZE_ENCODE, UMEM_VMFLAGS, and vmem_alloc().

Referenced by _umem_zalloc(), and malloc().

void* _umem_cache_alloc	(	umem_cache_t *	cache,
		int	flags
	)

References atomic_add_64, umem_cache::cache_alloc_fail, umem_cache::cache_constructor, umem_cache::cache_cpu_mask, umem_cache::cache_empty, umem_cache::cache_flags, umem_cache::cache_full, umem_cache::cache_private, umem_cpu_cache::cc_alloc, umem_cpu_cache::cc_flags, umem_cpu_cache::cc_loaded, umem_cpu_cache::cc_lock, umem_cpu_cache::cc_magsize, umem_cpu_cache::cc_ploaded, umem_cpu_cache::cc_prounds, umem_cpu_cache::cc_rounds, CPU, umem_magazine::mag_round, mutex_lock, mutex_unlock, UMEM_CPU_CACHE, and UMEM_DEFAULT.

Referenced by _umem_alloc(), _umem_cache_free(), _umem_zalloc(), and vmem_alloc().

void _umem_cache_free	(	umem_cache_t *	cache,
		void *	buffer
	)

References _umem_cache_alloc(), _umem_cache_free(), umem_cache::cache_cpu_mask, umem_cache::cache_destructor, umem_cache::cache_empty, umem_cache::cache_flags, umem_cache::cache_full, umem_cache::cache_magtype, umem_cache::cache_private, umem_cpu_cache::cc_flags, umem_cpu_cache::cc_free, umem_cpu_cache::cc_loaded, umem_cpu_cache::cc_lock, umem_cpu_cache::cc_magsize, umem_cpu_cache::cc_ploaded, umem_cpu_cache::cc_prounds, umem_cpu_cache::cc_rounds, CPU, umem_magazine::mag_round, umem_magtype::mt_cache, umem_magtype::mt_magsize, mutex_lock, mutex_unlock, UMEM_CPU_CACHE, and UMEM_DEFAULT.

Referenced by _umem_cache_free(), _umem_free(), and vmem_free().

void _umem_free	(	void *	buf,
		size_t	size
	)

References _umem_cache_free(), umem_buftag::bt_redzone, umem_cache::cache_flags, UMEM_ALIGN_SHIFT, UMEM_BUFTAG, UMEM_FREE_PATTERN, UMEM_REDZONE_BYTE, UMEM_REDZONE_PATTERN, UMEM_SIZE_ENCODE, UMEM_SIZE_VALID, UMERR_BADSIZE, UMERR_DUPFREE, UMERR_REDZONE, and vmem_free().

void* _umem_zalloc	(	size_t	size,
		int	umflags
	)

References _umem_alloc(), _umem_cache_alloc(), umem_cache::cache_flags, UMEM_ALIGN_SHIFT, UMEM_BUFTAG, UMEM_REDZONE_BYTE, and UMEM_SIZE_ENCODE.

void umem_cache_applyall

(

void(*)(umem_cache_t *)

)

References umem_cache::cache_next, mutex_lock, mutex_unlock, and umem_cache_lock.

Referenced by umem_init().

void umem_cache_update

(

umem_cache_t *

)

References ASSERT, umem_cache::cache_buftotal, umem_cache::cache_chunksize, umem_cache::cache_depot_contention, umem_cache::cache_depot_contention_prev, umem_cache::cache_depot_lock, umem_cache::cache_flags, umem_cache::cache_hash_mask, umem_cache::cache_lock, umem_cache::cache_magtype, umem_magtype::mt_maxbuf, MUTEX_HELD, mutex_lock, mutex_unlock, umem_cache_lock, umem_depot_contention, UMEM_HASH_INITIAL, UMU_HASH_RESCALE, and UMU_MAGAZINE_RESIZE.

int umem_create_update_thread

(

void

)

References ASSERT, MUTEX_HELD, THR_BOUND, THR_DAEMON, THR_DETACHED, thr_sigsetmask, umem_update_lock, and umem_update_thr.

Referenced by umem_reap().

void umem_forkhandler_init

(

void

)

Referenced by umem_startup().

int umem_get_max_ncpus

(

void

)

Referenced by umem_init().

int umem_init

(

void

)

References _cond_wait(), ASSERT, cond_broadcast, umem_cpu::cpu_cache_offset, umem_cpu::cpu_number, CPUHINT_MAX, issetugid, log_message(), mutex_lock, mutex_unlock, NANOSEC, pagesize, thr_self, UMEM_ALIGN, umem_cache_applyall(), UMEM_CACHE_SIZE, umem_content_log_size, UMEM_CPU_CACHE_SIZE, umem_failure_log_size, umem_flags, umem_get_max_ncpus(), umem_init_cv, umem_init_env_ready, umem_init_lock, umem_init_thr, umem_logging, umem_max_ncpus, umem_maxverify, umem_minfirewall, umem_mtbf, umem_panic(), umem_process_envvars(), UMEM_READY, umem_ready, UMEM_READY_INIT_FAILED, UMEM_READY_INITING, UMEM_READY_STARTUP, umem_reap_next, umem_setup_envvars(), umem_slab_log_size, umem_transaction_log_size, umem_update_next, UMF_AUDIT, VM_NOSLEEP, vmem::vm_quantum, vmem_alloc(), vmem_create(), vmem_free(), vmem_heap_arena(), and vmem_no_debug().

Referenced by _umem_alloc(), _umem_alloc_align(), memalign(), umem_cache_create(), and vmem_heap_arena().

void umem_process_envvars

(

void

)

References umem_envvar::env_func_result, umem_envvar::env_getenv_result, umem_envvar::env_item_list, umem_envvar::env_name, and umem_process_value().

Referenced by umem_init().

void umem_process_updates

(

void

)

References ASSERT, umem_cache::cache_uflags, umem_cache::cache_unext, umem_cache::cache_uprev, cond_broadcast, MUTEX_HELD, mutex_lock, mutex_unlock, umem_update_cv, umem_update_lock, UMU_ACTIVE, UMU_HASH_RESCALE, UMU_MAGAZINE_RESIZE, UMU_NOTIFY, and UMU_REAP.

void umem_setup_envvars

(

int

)

References umem_envvar::env_func, umem_envvar::env_func_result, umem_envvar::env_getenv_result, umem_envvar::env_name, log_message(), and RTLD_FIRST.

Referenced by umem_init().

void umem_type_init	(	caddr_t	,
		size_t	,
		size_t
	)

References _sysconf, and pagesize.

Referenced by umem_startup().

Variable Documentation

size_t pagesize

uint32_t umem_abort

mutex_t umem_cache_lock

Referenced by umem_cache_applyall(), umem_cache_create(), umem_cache_destroy(), and umem_cache_update().

umem_log_header_t* umem_content_log

size_t umem_content_log_size

Referenced by umem_init().

size_t umem_content_maxsave

Referenced by umem_cache_create().

uint32_t umem_depot_contention

Referenced by umem_cache_update().

umem_log_header_t* umem_failure_log

size_t umem_failure_log_size

Referenced by umem_init().

uint32_t umem_flags

Referenced by umem_cache_create(), and umem_init().

mutex_t umem_flags_lock

Referenced by umem_cache_create().

mutex_t umem_init_lock

Referenced by umem_init().

thread_t umem_init_thr

Referenced by umem_cache_create(), umem_init(), and vmem_heap_arena().

size_t umem_lite_maxalign

Referenced by umem_cache_create().

size_t umem_lite_minsize

Referenced by umem_cache_create().

uint32_t umem_logging

Referenced by umem_init().

uint32_t umem_max_ncpus

Referenced by umem_cache_create(), umem_cache_destroy(), and umem_init().

size_t umem_maxverify

Referenced by umem_cache_create(), and umem_init().

vmem_t* umem_memalign_arena

Referenced by memalign().

size_t umem_minfirewall

Referenced by umem_cache_create(), and umem_init().

uint32_t umem_mtbf

Referenced by umem_init().

umem_cache_t umem_null_cache

Referenced by umem_cache_create().

uint32_t umem_output

int umem_ready

Referenced by umem_cache_create(), umem_init(), umem_reap(), umem_startup(), and vmem_heap_arena().

uint32_t umem_reap_interval

volatile hrtime_t umem_reap_next

Referenced by umem_init(), and umem_reap().

volatile uint32_t umem_reaping

Referenced by umem_reap().

umem_log_header_t* umem_slab_log

size_t umem_slab_log_size

Referenced by umem_init().

volatile thread_t umem_st_update_thr

Referenced by umem_reap().

uint32_t umem_stack_depth

umem_log_header_t* umem_transaction_log

size_t umem_transaction_log_size

Referenced by umem_init().

cond_t umem_update_cv

Referenced by umem_process_updates(), and umem_reap().

uint32_t umem_update_interval

mutex_t umem_update_lock

Referenced by umem_create_update_thread(), umem_process_updates(), and umem_reap().

struct timeval umem_update_next

Referenced by umem_init().

thread_t umem_update_thr

Referenced by umem_create_update_thread(), and umem_reap().