switch_core_memory.c File Reference

#include <switch.h>
#include "private/switch_apr_pvt.h"
#include "private/switch_core_pvt.h"

Include dependency graph for switch_core_memory.c:

Go to the source code of this file.

Macros
#define	PER_POOL_LOCK   1
#define	DEBUG_ALLOC_CUTOFF   500

Functions
switch_memory_pool_t *	switch_core_session_get_pool (switch_core_session_t *session)
void *	switch_core_perform_session_alloc (switch_core_session_t *session, switch_size_t memory, const char *file, const char *func, int line)
void *	switch_core_perform_permanent_alloc (switch_size_t memory, const char *file, const char *func, int line)
char *	switch_core_perform_permanent_strdup (const char *todup, const char *file, const char *func, int line)
char *	switch_core_session_sprintf (switch_core_session_t *session, const char *fmt,...)
char *	switch_core_session_vsprintf (switch_core_session_t *session, const char *fmt, va_list ap)
	printf-style style printing routine. The data is output to a string allocated from the session More...
char *	switch_core_vsprintf (switch_memory_pool_t *pool, const char *fmt, va_list ap)
char *	switch_core_sprintf (switch_memory_pool_t *pool, const char *fmt,...)
char *	switch_core_perform_session_strdup (switch_core_session_t *session, const char *todup, const char *file, const char *func, int line)
char *	switch_core_perform_strdup (switch_memory_pool_t *pool, const char *todup, const char *file, const char *func, int line)
char *	switch_core_perform_strndup (switch_memory_pool_t *pool, const char *todup, size_t len, const char *file, const char *func, int line)
void	switch_core_memory_pool_set_data (switch_memory_pool_t *pool, const char *key, void *data)
void *	switch_core_memory_pool_get_data (switch_memory_pool_t *pool, const char *key)
void	switch_core_memory_pool_tag (switch_memory_pool_t *pool, const char *tag)
void	switch_pool_clear (switch_memory_pool_t *p)
void	switch_core_pool_stats (switch_stream_handle_t *stream)
switch_status_t	switch_core_perform_new_memory_pool (switch_memory_pool_t **pool, const char *file, const char *func, int line)
switch_status_t	switch_core_perform_destroy_memory_pool (switch_memory_pool_t **pool, const char *file, const char *func, int line)
void *	switch_core_perform_alloc (switch_memory_pool_t *pool, switch_size_t memory, const char *file, const char *func, int line)
void	switch_core_memory_reclaim (void)
static void *SWITCH_THREAD_FUNC	pool_thread (switch_thread_t *thread, void *obj)
void	switch_core_memory_stop (void)
switch_memory_pool_t *	switch_core_memory_init (void)

Variables
struct {
switch_queue_t *   pool_queue
switch_queue_t *   pool_recycle_queue
switch_memory_pool_t *   memory_pool
int   pool_thread_running
}	memory_manager
static switch_thread_t *	pool_thread_p = NULL

Macro Definition Documentation

DEBUG_ALLOC_CUTOFF

#define DEBUG_ALLOC_CUTOFF   500

Definition at line 51 of file switch_core_memory.c.

Referenced by switch_core_perform_alloc(), switch_core_perform_session_alloc(), switch_core_perform_session_strdup(), and switch_core_perform_strndup().

PER_POOL_LOCK

#define PER_POOL_LOCK   1

Definition at line 48 of file switch_core_memory.c.

Function Documentation

pool_thread()

static void* SWITCH_THREAD_FUNC pool_thread ( switch_thread_t *  thread, void *  obj  )

static

Definition at line 579 of file switch_core_memory.c.

References memory_manager, SWITCH_CHANNEL_LOG, switch_core_memory_reclaim(), SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), switch_mutex_unlock(), switch_queue_pop(), switch_queue_size(), switch_queue_trypop(), switch_queue_trypush(), SWITCH_STATUS_SUCCESS, and switch_yield.

Referenced by switch_core_memory_init().

{
        memory_manager.pool_thread_running = 1;

        while (memory_manager.pool_thread_running == 1) {
                int len = switch_queue_size(memory_manager.pool_queue);

                if (len) {
                        int x = len, done = 0;

                        switch_yield(1000000);
#ifdef USE_MEM_LOCK
                        switch_mutex_lock(memory_manager.mem_lock);
#endif
                        while (x > 0) {
                                void *pop = NULL;
                                if (switch_queue_pop(memory_manager.pool_queue, &pop) != SWITCH_STATUS_SUCCESS || !pop) {
                                        done = 1;
                                        break;
                                }
#if defined(PER_POOL_LOCK) || defined(DESTROY_POOLS)
#ifdef USE_MEM_LOCK
                                switch_mutex_lock(memory_manager.mem_lock);
#endif

#ifdef DEBUG_ALLOC
                                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "%p DESTROY POOL\n", (void *) pop);
#endif
                                fspr_pool_destroy(pop);
#ifdef USE_MEM_LOCK
                                switch_mutex_unlock(memory_manager.mem_lock);
#endif
#else
                                fspr_pool_mutex_set(pop, NULL);
#ifdef DEBUG_ALLOC
                                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "%p DESTROY POOL\n", (void *) pop);
#endif
                                fspr_pool_clear(pop);
                                if (switch_queue_trypush(memory_manager.pool_recycle_queue, pop) != SWITCH_STATUS_SUCCESS) {
#ifdef USE_MEM_LOCK
                                        switch_mutex_lock(memory_manager.mem_lock);
#endif
#ifdef DEBUG_ALLOC
                                switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "%p DESTROY POOL\n", (void *) pop);
#endif
                                        fspr_pool_destroy(pop);
#ifdef USE_MEM_LOCK
                                        switch_mutex_unlock(memory_manager.mem_lock);
#endif

                                }
#endif
                                x--;
                        }
#ifdef USE_MEM_LOCK
                        switch_mutex_unlock(memory_manager.mem_lock);
#endif
                        if (done) {
                                goto done;
                        }
                } else {
                        switch_yield(1000000);
                }
        }

  done:
        switch_core_memory_reclaim();

        {
                void *pop = NULL;
                while (switch_queue_trypop(memory_manager.pool_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
#ifdef USE_MEM_LOCK
                        switch_mutex_lock(memory_manager.mem_lock);
#endif
                        fspr_pool_destroy(pop);
                        pop = NULL;
#ifdef USE_MEM_LOCK
                        switch_mutex_unlock(memory_manager.mem_lock);
#endif

                }
        }

        memory_manager.pool_thread_running = 0;

        return NULL;
}

switch_core_memory_init()

switch_memory_pool_t* switch_core_memory_init

(

void

)

Definition at line 689 of file switch_core_memory.c.

References memory_manager, memset(), pool_thread(), switch_assert, switch_cond_next(), switch_mutex_init(), SWITCH_MUTEX_NESTED, switch_queue_create(), switch_thread_create(), SWITCH_THREAD_STACKSIZE, switch_threadattr_create(), and switch_threadattr_stacksize_set().

Referenced by switch_core_init().

{
#ifndef INSTANTLY_DESTROY_POOLS
        switch_threadattr_t *thd_attr;
#endif
#ifdef PER_POOL_LOCK
        fspr_allocator_t *my_allocator = NULL;
        fspr_thread_mutex_t *my_mutex;
#endif

        memset(&memory_manager, 0, sizeof(memory_manager));

#ifdef PER_POOL_LOCK
        if ((fspr_allocator_create(&my_allocator)) != APR_SUCCESS) {
                abort();
        }

        if ((fspr_pool_create_ex(&memory_manager.memory_pool, NULL, NULL, my_allocator)) != APR_SUCCESS) {
                fspr_allocator_destroy(my_allocator);
                my_allocator = NULL;
                abort();
        }

        if ((fspr_thread_mutex_create(&my_mutex, APR_THREAD_MUTEX_NESTED, memory_manager.memory_pool)) != APR_SUCCESS) {
                abort();
        }

        fspr_allocator_mutex_set(my_allocator, my_mutex);
        fspr_pool_mutex_set(memory_manager.memory_pool, my_mutex);
        fspr_allocator_owner_set(my_allocator, memory_manager.memory_pool);
        fspr_pool_tag(memory_manager.memory_pool, "core_pool");
#else
        fspr_pool_create(&memory_manager.memory_pool, NULL);
        switch_assert(memory_manager.memory_pool != NULL);
#endif

#ifdef USE_MEM_LOCK
        switch_mutex_init(&memory_manager.mem_lock, SWITCH_MUTEX_NESTED, memory_manager.memory_pool);
#endif

#ifdef INSTANTLY_DESTROY_POOLS
        {
                void *foo;
                foo = (void *) (intptr_t) pool_thread;
        }
#else

        switch_queue_create(&memory_manager.pool_queue, 50000, memory_manager.memory_pool);
        switch_queue_create(&memory_manager.pool_recycle_queue, 50000, memory_manager.memory_pool);

        switch_threadattr_create(&thd_attr, memory_manager.memory_pool);

        switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
        switch_thread_create(&pool_thread_p, thd_attr, pool_thread, NULL, memory_manager.memory_pool);

        while (!memory_manager.pool_thread_running) {
                switch_cond_next();
        }
#endif

        return memory_manager.memory_pool;
}

switch_core_memory_stop()

void switch_core_memory_stop

(

void

)

Definition at line 671 of file switch_core_memory.c.

References memory_manager, SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_queue_trypop(), SWITCH_STATUS_SUCCESS, and switch_thread_join().

Referenced by switch_core_destroy().

{
#ifndef INSTANTLY_DESTROY_POOLS
        switch_status_t st;
        void *pop = NULL;

        switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Stopping memory pool queue.\n");

        memory_manager.pool_thread_running = 0;
        switch_thread_join(&st, pool_thread_p);


        while (switch_queue_trypop(memory_manager.pool_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
                fspr_pool_destroy(pop);
        }
#endif
}

switch_core_perform_alloc()

void* switch_core_perform_alloc	(	switch_memory_pool_t *	pool,
		switch_size_t	memory,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 518 of file switch_core_memory.c.

References DEBUG_ALLOC_CUTOFF, memory_manager, memset(), switch_assert, SWITCH_CHANNEL_ID_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), and switch_mutex_unlock().

{
        void *ptr = NULL;

        switch_assert(pool != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif

#ifdef DEBUG_ALLOC
        if (memory > DEBUG_ALLOC_CUTOFF)
                switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p Core Allocate %s %d\n",
                                                  (void *) pool, fspr_pool_tag(pool, NULL), (int) memory);
        /*switch_assert(memory < 20000); */
#endif

#if APR_POOL_DEBUG
        ptr = fspr_palloc_debug(pool, memory, func);
#else
        ptr = fspr_palloc(pool, memory);
#endif
        switch_assert(ptr != NULL);
        memset(ptr, 0, memory);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return ptr;
}

switch_core_perform_destroy_memory_pool()

switch_status_t switch_core_perform_destroy_memory_pool	(	switch_memory_pool_t **	pool,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 465 of file switch_core_memory.c.

References memory_manager, pool, switch_assert, SWITCH_CHANNEL_ID_LOG, switch_core_sprintf(), SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), switch_mutex_unlock(), switch_queue_push(), and SWITCH_STATUS_SUCCESS.

{
        char *tmp;
        const char *tag;
        switch_memory_pool_t *tmp_pool = NULL;
        switch_assert(pool != NULL);
        
        /* In tag we store who calls the pool creation.
           Now we append it with who calls the pool destroy.
        */
        if (*pool) {
                tmp_pool = *pool;
                *pool = NULL;

                tag = fspr_pool_tag(tmp_pool, NULL);
                tmp = switch_core_sprintf(tmp_pool, "%s,%s:%d", (tag ? tag : ""), file, line);
                fspr_pool_tag(tmp_pool, tmp);
        }

#ifdef DEBUG_ALLOC2
        switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p Free Pool %s\n", (void *) tmp_pool, fspr_pool_tag(tmp_pool, NULL));
#endif

#ifdef INSTANTLY_DESTROY_POOLS
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
        fspr_pool_destroy(tmp_pool);
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#else
        if ((memory_manager.pool_thread_running != 1) || (switch_queue_push(memory_manager.pool_queue, tmp_pool) != SWITCH_STATUS_SUCCESS)) {
#ifdef USE_MEM_LOCK
                switch_mutex_lock(memory_manager.mem_lock);
#endif
#if APR_POOL_DEBUG
                fspr_pool_destroy_debug(tmp_pool, func);
#else
                if (tmp_pool) {
                        fspr_pool_destroy(tmp_pool);
                }
#endif
#ifdef USE_MEM_LOCK

                switch_mutex_unlock(memory_manager.mem_lock);
#endif
        }
#endif

        return SWITCH_STATUS_SUCCESS;
}

switch_core_perform_new_memory_pool()

switch_status_t switch_core_perform_new_memory_pool	(	switch_memory_pool_t **	pool,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 391 of file switch_core_memory.c.

References memory_manager, switch_assert, SWITCH_CHANNEL_ID_LOG, switch_core_sprintf(), SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), switch_mutex_unlock(), switch_queue_trypop(), and SWITCH_STATUS_SUCCESS.

{
        char *tmp;
#ifdef INSTANTLY_DESTROY_POOLS
        fspr_pool_create(pool, NULL);
        switch_assert(*pool != NULL);
#else

#ifdef PER_POOL_LOCK
        fspr_allocator_t *my_allocator = NULL;
        fspr_thread_mutex_t *my_mutex;
#else
        void *pop = NULL;
#endif

#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
        switch_assert(pool != NULL);

#ifndef PER_POOL_LOCK
        if (switch_queue_trypop(memory_manager.pool_recycle_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
                *pool = (switch_memory_pool_t *) pop;
        } else {
#endif

#ifdef PER_POOL_LOCK
                if ((fspr_allocator_create(&my_allocator)) != APR_SUCCESS) {
                        abort();
                }

#if APR_POOL_DEBUG
                if ((fspr_pool_create_ex_debug(pool, memory_manager.memory_pool, NULL, my_allocator, func)) != APR_SUCCESS) {
#else
                if ((fspr_pool_create_ex(pool, NULL, NULL, my_allocator)) != APR_SUCCESS) {
#endif
                        abort();
                }

                if ((fspr_thread_mutex_create(&my_mutex, APR_THREAD_MUTEX_NESTED, *pool)) != APR_SUCCESS) {
                        abort();
                }

                fspr_allocator_mutex_set(my_allocator, my_mutex);
                fspr_allocator_owner_set(my_allocator, *pool);

                fspr_pool_mutex_set(*pool, my_mutex);

#else
                fspr_pool_create(pool, NULL);
                switch_assert(*pool != NULL);
        }
#endif
#endif

        tmp = switch_core_sprintf(*pool, "%s:%d", file, line);
        fspr_pool_tag(*pool, tmp);

#if APR_POOL_DEBUG
        fspr_pool_userdata_set(tmp, "line", NULL, *pool);
#endif

#ifdef DEBUG_ALLOC2
        switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p New Pool %s\n", (void *) *pool, fspr_pool_tag(*pool, NULL));
#endif


#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif

        return SWITCH_STATUS_SUCCESS;
}

switch_core_perform_permanent_alloc()

void* switch_core_perform_permanent_alloc	(	switch_size_t	memory,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 113 of file switch_core_memory.c.

References memory_manager, memset(), switch_assert, SWITCH_CHANNEL_ID_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), and switch_mutex_unlock().

{
        void *ptr = NULL;
        switch_assert(memory_manager.memory_pool != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif

#ifdef DEBUG_ALLOC
        switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p Perm Allocate %s %d\n",
                                          (void *)memory_manager.memory_pool, fspr_pool_tag(memory_manager.memory_pool, NULL), (int) memory);
#endif

        ptr = fspr_palloc(memory_manager.memory_pool, memory);

        switch_assert(ptr != NULL);
        memset(ptr, 0, memory);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return ptr;
}

switch_core_perform_permanent_strdup()

char* switch_core_perform_permanent_strdup	(	const char *	todup,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 143 of file switch_core_memory.c.

References memory_manager, switch_assert, SWITCH_BLANK_STRING, SWITCH_CHANNEL_ID_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), switch_mutex_unlock(), and zstr.

{
        char *duped = NULL;
        switch_size_t len;
        switch_assert(memory_manager.memory_pool != NULL);

        if (!todup) {
                return NULL;
        }

        if (zstr(todup)) {
                return SWITCH_BLANK_STRING;
        }
#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif

        len = strlen(todup) + 1;
        duped = fspr_pstrmemdup(memory_manager.memory_pool, todup, len);
        switch_assert(duped != NULL);

#ifdef DEBUG_ALLOC
        switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p Perm Allocate %s %d\n",
                                          (void *) memory_manager.memory_pool, fspr_pool_tag(memory_manager.memory_pool, NULL), (int) len);
#endif

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return duped;
}

switch_core_perform_session_alloc()

void* switch_core_perform_session_alloc	(	switch_core_session_t *	session,
		switch_size_t	memory,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 73 of file switch_core_memory.c.

References DEBUG_ALLOC_CUTOFF, memory_manager, memset(), switch_core_session::pool, switch_assert, SWITCH_CHANNEL_ID_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), and switch_mutex_unlock().

{
        void *ptr = NULL;
        switch_assert(session != NULL);
        switch_assert(session->pool != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif

#ifdef DEBUG_ALLOC
        if (memory > DEBUG_ALLOC_CUTOFF)
                switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p %p Session Allocate %s %d\n",
                                                  (void *) session->pool, (void *) session, fspr_pool_tag(session->pool, NULL), (int) memory);
#endif

#if APR_POOL_DEBUG
        ptr = fspr_palloc_debug(session->pool, memory, func);
#else
        ptr = fspr_palloc(session->pool, memory);
#endif
        switch_assert(ptr != NULL);

        memset(ptr, 0, memory);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return ptr;
}

switch_core_perform_session_strdup()

char* switch_core_perform_session_strdup	(	switch_core_session_t *	session,
		const char *	todup,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 232 of file switch_core_memory.c.

References DEBUG_ALLOC_CUTOFF, memory_manager, switch_core_session::pool, switch_assert, SWITCH_BLANK_STRING, SWITCH_CHANNEL_ID_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), switch_mutex_unlock(), and zstr.

{
        char *duped = NULL;
#ifdef DEBUG_ALLOC
        switch_size_t len;
#endif

        switch_assert(session != NULL);
        switch_assert(session->pool != NULL);

        if (!todup) {
                return NULL;
        }

        if (zstr(todup)) {
                return SWITCH_BLANK_STRING;
        }
#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif



#ifdef DEBUG_ALLOC
        len = strlen(todup);
        if (len > DEBUG_ALLOC_CUTOFF)
                switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p %p Sess Strdup Allocate %s %ld\n",
                                                  (void *) session->pool, (void *)session, fspr_pool_tag(session->pool, NULL), strlen(todup));
#endif

        duped = fspr_pstrdup(session->pool, todup);
        switch_assert(duped != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return duped;
}

switch_core_perform_strdup()

char* switch_core_perform_strdup	(	switch_memory_pool_t *	pool,
		const char *	todup,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 276 of file switch_core_memory.c.

References switch_core_perform_strndup().

{
        return switch_core_perform_strndup(pool, todup, todup ? strlen(todup) + 1 : 0, file, func, line);
}

switch_core_perform_strndup()

char* switch_core_perform_strndup	(	switch_memory_pool_t *	pool,
		const char *	todup,
		size_t	len,
		const char *	file,
		const char *	func,
		int	line
	)

Definition at line 281 of file switch_core_memory.c.

References DEBUG_ALLOC_CUTOFF, memory_manager, switch_assert, SWITCH_BLANK_STRING, SWITCH_CHANNEL_ID_LOG, SWITCH_LOG_CONSOLE, switch_log_printf(), switch_mutex_lock(), switch_mutex_unlock(), and zstr.

Referenced by switch_core_perform_strdup().

{
        char *duped = NULL;
        switch_assert(pool != NULL);

        if (!todup) {
                return NULL;
        }

        if (zstr(todup)) {
                return SWITCH_BLANK_STRING;
        }
#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif

#ifdef DEBUG_ALLOC
        if (len > DEBUG_ALLOC_CUTOFF)
                switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%p Core Strdup Allocate %s %d\n",
                                                  (void *) pool, fspr_pool_tag(pool, NULL), (int)len);
#endif

        duped = fspr_pstrmemdup(pool, todup, len);
        switch_assert(duped != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return duped;
}

switch_core_session_get_pool()

switch_memory_pool_t* switch_core_session_get_pool

(

switch_core_session_t *

session

)

Definition at line 64 of file switch_core_memory.c.

References switch_core_session::pool, and switch_assert.

{
        switch_assert(session != NULL);
        switch_assert(session->pool != NULL);
        return session->pool;
}

switch_core_session_sprintf()

char* switch_core_session_sprintf	(	switch_core_session_t *	session,
		const char *	fmt,
			...
	)

Definition at line 180 of file switch_core_memory.c.

References switch_core_session::pool, and switch_core_vsprintf().

{
        va_list ap;
        char *result = NULL;

        va_start(ap, fmt);
        result = switch_core_vsprintf(session->pool, fmt, ap);
        va_end(ap);

        return result;
}

switch_core_sprintf()

char* switch_core_sprintf	(	switch_memory_pool_t *	pool,
		const char *	fmt,
			...
	)

Definition at line 221 of file switch_core_memory.c.

References switch_core_vsprintf().

Referenced by switch_core_perform_destroy_memory_pool(), and switch_core_perform_new_memory_pool().

{
        va_list ap;
        char *result;
        va_start(ap, fmt);
        result = switch_core_vsprintf(pool, fmt, ap);
        va_end(ap);

        return result;
}

switch_core_vsprintf()

char* switch_core_vsprintf	(	switch_memory_pool_t *	pool,
		const char *	fmt,
		va_list	ap
	)

Definition at line 197 of file switch_core_memory.c.

References memory_manager, switch_assert, switch_mutex_lock(), and switch_mutex_unlock().

Referenced by switch_core_session_sprintf(), switch_core_session_vsprintf(), and switch_core_sprintf().

{
        char *result = NULL;

        switch_assert(pool != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_lock(memory_manager.mem_lock);
#endif
#endif

        result = fspr_pvsprintf(pool, fmt, ap);
        switch_assert(result != NULL);

#ifdef LOCK_MORE
#ifdef USE_MEM_LOCK
        switch_mutex_unlock(memory_manager.mem_lock);
#endif
#endif

        return result;
}

Variable Documentation

memory_manager

struct { ... } memory_manager

Referenced by pool_thread(), switch_core_memory_init(), switch_core_memory_reclaim(), switch_core_memory_stop(), switch_core_perform_alloc(), switch_core_perform_destroy_memory_pool(), switch_core_perform_new_memory_pool(), switch_core_perform_permanent_alloc(), switch_core_perform_permanent_strdup(), switch_core_perform_session_alloc(), switch_core_perform_session_strdup(), switch_core_perform_strndup(), and switch_core_vsprintf().

memory_pool

switch_memory_pool_t* memory_pool

Definition at line 60 of file switch_core_memory.c.

pool_queue

switch_queue_t* pool_queue

Definition at line 58 of file switch_core_memory.c.

pool_recycle_queue

switch_queue_t* pool_recycle_queue

Definition at line 59 of file switch_core_memory.c.

pool_thread_p

switch_thread_t* pool_thread_p = NULL

static

Definition at line 668 of file switch_core_memory.c.

pool_thread_running

int pool_thread_running

Definition at line 61 of file switch_core_memory.c.