/*
- Bacula® - The Network Backup Solution
-
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
-
- The main author of Bacula is Kern Sibbald, with contributions from
- many others, a complete list can be found in the file AUTHORS.
- This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
- License as published by the Free Software Foundation and included
- in the file LICENSE.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA.
-
- Bacula® is a registered trademark of Kern Sibbald.
- The licensor of Bacula is the Free Software Foundation Europe
- (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
- Switzerland, email:ftf@fsfeurope.org.
+ Bacula(R) - The Network Backup Solution
+
+ Copyright (C) 2000-2017 Kern Sibbald
+
+ The original author of Bacula is Kern Sibbald, with contributions
+ from many others, a complete list can be found in the file AUTHORS.
+
+ You may use this file and others of this release according to the
+ license defined in the LICENSE file, which includes the Affero General
+ Public License, v3.0 ("AGPLv3") and some additional permissions and
+ terms pursuant to its AGPLv3 Section 7.
+
+ This notice must be preserved when any source code is
+ conveyed and/or propagated.
+
+ Bacula(R) is a registered trademark of Kern Sibbald.
*/
/*
* Bacula memory pool routines.
*
* Kern E. Sibbald
*
- * Version $Id$
*/
#include "bacula.h"
+#define dbglvl DT_MEMORY|800
+
+#ifdef HAVE_MALLOC_TRIM
+extern "C" int malloc_trim (size_t pad);
+#endif
struct s_pool_ctl {
int32_t size; /* default size */
{ NLEN, NLEN,0, 0, NULL }, /* PM_NAME Bacula name */
{ 256, 256, 0, 0, NULL }, /* PM_FNAME filename buffers */
{ 512, 512, 0, 0, NULL }, /* PM_MESSAGE message buffer */
- { 1024, 1024, 0, 0, NULL } /* PM_EMSG error message buffer */
+ { 1024, 1024, 0, 0, NULL }, /* PM_EMSG error message buffer */
+ { 4096, 4096, 0, 0, NULL } /* PM_BSOCK message buffer */
};
#else
{ NLEN, NLEN,0, 0, NULL }, /* PM_NAME Bacula name */
{ 20, 20, 0, 0, NULL }, /* PM_FNAME filename buffers */
{ 20, 20, 0, 0, NULL }, /* PM_MESSAGE message buffer */
- { 20, 20, 0, 0, NULL } /* PM_EMSG error message buffer */
+ { 20, 20, 0, 0, NULL }, /* PM_EMSG error message buffer */
+ { 20, 20, 0, 0, NULL } /* PM_BSOCK message buffer */
};
#endif
int32_t pool; /* pool */
struct abufhead *next; /* pointer to next free buffer */
int32_t bnet_size; /* dummy for bnet_send() */
+ int32_t bnet_extension; /* dummy for bnet extension */
};
static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
-#ifdef SMARTALLOC
-
#define HEAD_SIZE BALIGN(sizeof(struct abufhead))
+#ifdef SMARTALLOC
+
POOLMEM *sm_get_pool_memory(const char *fname, int lineno, int pool)
{
struct abufhead *buf;
pool_ctl[pool].max_used = pool_ctl[pool].in_use;
}
V(mutex);
- Dmsg3(1800, "sm_get_pool_memory reuse %p to %s:%d\n", buf, fname, lineno);
+ Dmsg3(dbglvl, "sm_get_pool_memory reuse %p to %s:%d\n", buf, fname, lineno);
sm_new_owner(fname, lineno, (char *)buf);
return (POOLMEM *)((char *)buf+HEAD_SIZE);
}
pool_ctl[pool].max_used = pool_ctl[pool].in_use;
}
V(mutex);
- Dmsg3(1800, "sm_get_pool_memory give %p to %s:%d\n", buf, fname, lineno);
+ Dmsg3(dbglvl, "sm_get_pool_memory give %p to %s:%d\n", buf, fname, lineno);
return (POOLMEM *)((char *)buf+HEAD_SIZE);
}
if (pool == 0) {
free((char *)buf); /* free nonpooled memory */
} else { /* otherwise link it to the free pool chain */
-#ifdef DEBUG
+
+ /* Disabled because it hangs in #5507 */
+#ifdef xDEBUG
struct abufhead *next;
/* Don't let him free the same buffer twice */
for (next=pool_ctl[pool].free_buf; next; next=next->next) {
if (next == buf) {
- Dmsg4(1800, "free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
- Dmsg4(1800, "bad free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
+ Dmsg4(dbglvl, "free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
+ Dmsg4(dbglvl, "bad free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
V(mutex); /* unblock the pool */
ASSERT(next != buf); /* attempt to free twice */
}
buf->next = pool_ctl[pool].free_buf;
pool_ctl[pool].free_buf = buf;
}
- Dmsg4(1800, "free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
+ Dmsg4(dbglvl, "free_pool_memory %p pool=%d from %s:%d\n", buf, pool, fname, lineno);
V(mutex);
}
return (POOLMEM *)((char *)buf+HEAD_SIZE);
}
- if ((buf=malloc(pool_ctl[pool].size+HEAD_SIZE)) == NULL) {
+ if ((buf=(struct abufhead*)malloc(pool_ctl[pool].size+HEAD_SIZE)) == NULL) {
V(mutex);
Emsg1(M_ABORT, 0, _("Out of memory requesting %d bytes\n"), pool_ctl[pool].size);
}
struct abufhead *buf;
int pool = 0;
- if ((buf=malloc(size+HEAD_SIZE)) == NULL) {
+ if ((buf=(struct abufhead *)malloc(size+HEAD_SIZE)) == NULL) {
Emsg1(M_ABORT, 0, _("Out of memory requesting %d bytes\n"), size);
}
buf->ablen = size;
buf->next = pool_ctl[pool].free_buf;
pool_ctl[pool].free_buf = buf;
}
- Dmsg2(1800, "free_pool_memory %p pool=%d\n", buf, pool);
+ Dmsg2(dbglvl, "free_pool_memory %p pool=%d\n", buf, pool);
V(mutex);
}
#endif /* SMARTALLOC */
return;
}
now = time(NULL);
- if (now >= last_garbage_collection + garbage_interval) {
+ if (now >= last_garbage_collection + garbage_interval ||
+ sm_bytes > 500000) {
last_garbage_collection = now;
V(mutex);
- close_memory_pool();
+ garbage_collect_memory();
} else {
V(mutex);
}
}
-/* Release all pooled memory */
+/* Release all freed pooled memory */
void close_memory_pool()
{
struct abufhead *buf, *next;
}
pool_ctl[i].free_buf = NULL;
}
- Dmsg2(100, "Freed mem_pool count=%d size=%s\n", count, edit_uint64_with_commas(bytes, ed1));
+ Dmsg2(DT_MEMORY|001, "Freed mem_pool count=%d size=%s\n", count, edit_uint64_with_commas(bytes, ed1));
+ if (chk_dbglvl(DT_MEMORY|1)) {
+ print_memory_pool_stats();
+ }
V(mutex);
}
+/*
+ * Garbage collect and trim memory if possible
+ * This should be called after all big memory usages
+ * if possible.
+ */
+void garbage_collect_memory()
+{
+ close_memory_pool(); /* release free chain */
+#ifdef HAVE_MALLOC_TRIM
+ P(mutex);
+ malloc_trim(8192);
+ V(mutex);
+#endif
+}
+
#ifdef DEBUG
static const char *pool_name(int pool)
{
- static const char *name[] = {"NoPool", "NAME ", "FNAME ", "MSG ", "EMSG "};
+ static const char *name[] = {"NoPool", "NAME ", "FNAME ", "MSG ", "EMSG ", "BSOCK "};
static char buf[30];
if (pool >= 0 && pool <= PM_MAX) {
return pmlen + len - 1;
}
+int pm_strcat(POOL_MEM &pm, POOL_MEM &str)
+{
+ int pmlen = strlen(pm.c_str());
+ int len;
+
+ len = strlen(str.c_str()) + 1;
+ pm.check_size(pmlen + len);
+ memcpy(pm.c_str()+pmlen, str.c_str(), len);
+ return pmlen + len - 1;
+}
+
/*
* Copy a string (str) into a pool memory buffer pm
* Returns: length of string copied
* Copy data into a pool memory buffer pm
* Returns: length of data copied
*/
-int pm_memcpy(POOLMEM **pm, const void *data, size_t n)
+int pm_memcpy(POOLMEM **pm, const char *data, int32_t n)
{
*pm = check_pool_memory_size(*pm, n);
memcpy(*pm, data, n);
return n;
}
-int pm_memcpy(POOLMEM *&pm, const void *data, size_t n)
+int pm_memcpy(POOLMEM *&pm, const char *data, int32_t n)
{
pm = check_pool_memory_size(pm, n);
memcpy(pm, data, n);
return n;
}
-int pm_memcpy(POOLMEM *&pm, POOL_MEM &data, size_t n)
+int pm_memcpy(POOLMEM *&pm, POOL_MEM &data, int32_t n)
{
pm = check_pool_memory_size(pm, n);
memcpy(pm, data.c_str(), n);
return n;
}
-int pm_memcpy(POOL_MEM &pm, const void *data, size_t n)
+int pm_memcpy(POOL_MEM &pm, const char *data, int32_t n)
{
pm.check_size(n);
memcpy(pm.c_str(), data, n);