umem 1.0.1
Macros | Functions | Variables
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

◆ PAGESIZE

#define PAGESIZE   pagesize

◆ UMEM_REAP_ACTIVE

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

Referenced by umem_reap().

◆ UMEM_REAP_ADDING

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

Referenced by umem_reap().

◆ UMEM_REAP_DONE

#define UMEM_REAP_DONE   0x00000000 /* inactive */

Referenced by umem_reap().

Function Documentation

◆ _umem_alloc()

void * _umem_alloc ( size_t size,
int umflags )
extern

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

Referenced by _umem_zalloc(), and malloc().

◆ _umem_cache_alloc()

void * _umem_cache_alloc ( umem_cache_t * cache,
int flags )
extern

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, UMEM_DEFAULT, umem_null_cache, and UMF_BUFTAG.

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

◆ _umem_cache_free()

void _umem_cache_free ( umem_cache_t * cache,
void * buffer )
extern

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, UMEM_DEFAULT, and UMF_BUFTAG.

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

◆ _umem_free()

void _umem_free ( void * buf,
size_t size )
extern

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, UMF_BUFTAG, and vmem_free().

◆ _umem_zalloc()

void * _umem_zalloc ( size_t size,
int umflags )
extern

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

◆ umem_cache_applyall()

void umem_cache_applyall ( void(*)(umem_cache_t *) func)
extern

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

Referenced by umem_init().

◆ umem_cache_update()

void umem_cache_update ( umem_cache_t * cp)
extern

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, UMF_HASH, UMU_HASH_RESCALE, and UMU_MAGAZINE_RESIZE.

◆ umem_create_update_thread()

int umem_create_update_thread ( void )
extern

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

Referenced by umem_reap().

◆ umem_forkhandler_init()

void umem_forkhandler_init ( void )
extern

Referenced by umem_startup().

◆ umem_get_max_ncpus()

int umem_get_max_ncpus ( void )
extern

Referenced by umem_init().

◆ umem_init()

int umem_init ( void )
extern

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, umem_content_log_size, UMEM_CPU_CACHE_SIZE, umem_failure_log, 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_memalign_arena, 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, umem_slab_log_size, umem_transaction_log, 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().

◆ umem_process_envvars()

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().

◆ umem_process_updates()

void umem_process_updates ( void )
extern

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

◆ umem_setup_envvars()

void umem_setup_envvars ( int invalid)

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().

◆ umem_type_init()

void umem_type_init ( caddr_t start,
size_t len,
size_t pgsize )
extern

References _sysconf, and pagesize.

Referenced by umem_startup().

Variable Documentation

◆ pagesize

size_t pagesize
extern

◆ umem_abort

uint32_t umem_abort
extern

◆ umem_cache_lock

mutex_t umem_cache_lock
extern

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

◆ umem_content_log

umem_log_header_t* umem_content_log
extern

Referenced by umem_init(), and umem_startup().

◆ umem_content_log_size

size_t umem_content_log_size
extern

Referenced by umem_init().

◆ umem_content_maxsave

size_t umem_content_maxsave
extern

Referenced by umem_cache_create().

◆ umem_depot_contention

uint32_t umem_depot_contention
extern

Referenced by umem_cache_update().

◆ umem_failure_log

umem_log_header_t* umem_failure_log
extern

Referenced by _umem_alloc(), _umem_alloc_align(), umem_init(), and umem_startup().

◆ umem_failure_log_size

size_t umem_failure_log_size
extern

Referenced by umem_init().

◆ umem_flags

uint32_t umem_flags
extern

Referenced by umem_cache_create(), and umem_init().

◆ umem_flags_lock

mutex_t umem_flags_lock
extern

Referenced by umem_cache_create().

◆ umem_init_lock

mutex_t umem_init_lock
extern

Referenced by umem_init().

◆ umem_init_thr

thread_t umem_init_thr
extern

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

◆ umem_lite_maxalign

size_t umem_lite_maxalign
extern

Referenced by umem_cache_create().

◆ umem_lite_minsize

size_t umem_lite_minsize
extern

Referenced by umem_cache_create().

◆ umem_logging

uint32_t umem_logging
extern

Referenced by umem_init().

◆ umem_max_ncpus

uint32_t umem_max_ncpus
extern

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

◆ umem_maxverify

size_t umem_maxverify
extern

Referenced by umem_cache_create(), and umem_init().

◆ umem_memalign_arena

vmem_t* umem_memalign_arena
extern

Referenced by _umem_alloc_align(), _umem_free_align(), memalign(), umem_init(), and umem_startup().

◆ umem_minfirewall

size_t umem_minfirewall
extern

Referenced by umem_cache_create(), and umem_init().

◆ umem_mtbf

uint32_t umem_mtbf
extern

Referenced by umem_init().

◆ umem_null_cache

umem_cache_t umem_null_cache
extern

Referenced by _umem_cache_alloc(), umem_cache_applyall(), umem_cache_create(), umem_process_updates(), and umem_startup().

◆ umem_output

uint32_t umem_output
extern

◆ umem_ready

int umem_ready
extern

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

◆ umem_reap_interval

uint32_t umem_reap_interval
extern

◆ umem_reap_next

volatile hrtime_t umem_reap_next
extern

Referenced by umem_init(), and umem_reap().

◆ umem_reaping

volatile uint32_t umem_reaping
extern

Referenced by umem_reap().

◆ umem_slab_log

umem_log_header_t* umem_slab_log
extern

Referenced by umem_init(), and umem_startup().

◆ umem_slab_log_size

size_t umem_slab_log_size
extern

Referenced by umem_init().

◆ umem_st_update_thr

volatile thread_t umem_st_update_thr
extern

Referenced by umem_reap().

◆ umem_stack_depth

uint32_t umem_stack_depth
extern

◆ umem_transaction_log

umem_log_header_t* umem_transaction_log
extern

Referenced by umem_init(), and umem_startup().

◆ umem_transaction_log_size

size_t umem_transaction_log_size
extern

Referenced by umem_init().

◆ umem_update_cv

cond_t umem_update_cv
extern

Referenced by umem_process_updates(), and umem_reap().

◆ umem_update_interval

uint32_t umem_update_interval
extern

◆ umem_update_lock

mutex_t umem_update_lock
extern

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

◆ umem_update_next

struct timeval umem_update_next
extern

Referenced by umem_init().

◆ umem_update_thr

thread_t umem_update_thr
extern

Referenced by umem_create_update_thread(), and umem_reap().

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