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Check-in Number:
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5417 | |
| Date: |
2006-Jun-10 23:25:54 (local)
2006-Jun-10 21:25:54 (UTC) |
| User: | rse |
| Branch: | |
| Comment: |
Add new API function MM_reset() and mm_reset().
Submitted by: Neil Conway <neilc@samurai.com> |
| Tickets: |
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| Inspections: |
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| Files: |
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ossp-pkg/mm/ChangeLog 1.55 -> 1.56
--- ChangeLog 2006/06/10 07:34:54 1.55
+++ ChangeLog 2006/06/10 21:25:54 1.56
@@ -11,6 +11,9 @@
Changes between 1.4.0 and 1.4.1 (02-Sep-2005 to 12-Oct-2005)
+ *) Add new API function MM_reset() and mm_reset().
+ [Neil Conway <neilc@samurai.com>]
+
*) Upgraded build environment to GNU shtool 2.0.6 and
GNU libtool 1.5.22
[Ralf S. Engelschall]
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ossp-pkg/mm/mm.h 1.30 -> 1.31
--- mm.h 2005/09/02 20:00:46 1.30
+++ mm.h 2006/06/10 21:25:54 1.31
@@ -331,6 +331,7 @@
/* Global Malloc-Replacement API */
int MM_create(size_t, const char *);
int MM_permission(mode_t, uid_t, gid_t);
+void MM_reset(void);
void MM_destroy(void);
int MM_lock(mm_lock_mode);
int MM_unlock(void);
@@ -347,6 +348,7 @@
/* Standard Malloc-Style API */
MM *mm_create(size_t, const char *);
int mm_permission(MM *, mode_t, uid_t, gid_t);
+void mm_reset(MM *);
void mm_destroy(MM *);
int mm_lock(MM *, mm_lock_mode);
int mm_unlock(MM *);
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ossp-pkg/mm/mm.pod 1.28 -> 1.29
--- mm.pod 2006/06/10 21:14:02 1.28
+++ mm.pod 2006/06/10 21:25:54 1.29
@@ -60,6 +60,7 @@
int MM_create(size_t size, const char *file);
int MM_permission(mode_t mode, uid_t owner, gid_t group);
+ void MM_reset(void);
void MM_destroy(void);
int MM_lock(mm_lock_mode mode);
int MM_unlock(void);
@@ -77,6 +78,7 @@
MM *mm_create(size_t size, char *file);
int mm_permission(MM *mm, mode_t mode, uid_t owner, gid_t group);
+ void mm_reset(MM *mm);
void mm_destroy(MM *mm);
int mm_lock(MM *mm, mm_lock_mode mode);
int mm_unlock(MM *mm);
@@ -307,6 +309,12 @@
implementation is actually based on external auxiliary files). The arguments
are directly passed through to chmod(2) and chown(2).
+=item void B<MM_reset>(void);
+
+This resets the global shared memory pool: all chunks that have been
+allocated in the pool are marked as free and are eligible for reuse. The
+global memory pool itself is not destroyed.
+
=item void B<MM_destroy>(void);
This destroys the global shared memory pool and should be called I<after> all
@@ -395,6 +403,12 @@
implementation is actually based on external auxiliary files). The arguments
are directly passed through to chmod(2) and chown(2).
+=item void B<mm_reset>(MM *I<mm>);
+
+This resets the shared memory pool I<mm>: all chunks that have been
+allocated in the pool are marked as free and are eligible for reuse. The
+memory pool itself is not destroyed.
+
=item void B<mm_destroy>(MM *I<mm>);
This destroys the complete shared memory pool I<mm> and with it all chunks
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ossp-pkg/mm/mm_alloc.c 1.23 -> 1.24
--- mm_alloc.c 2006/06/10 21:12:35 1.23
+++ mm_alloc.c 2006/06/10 21:25:54 1.24
@@ -98,6 +98,19 @@
}
/*
+ * Reset a memory pool.
+ */
+void mm_reset(MM *mm)
+{
+ if (mm == NULL)
+ return;
+ mm->mp_offset = SIZEOF_mem_pool;
+ mm->mp_freechunks.mc_usize = 0;
+ mm->mp_freechunks.mc_u.mc_next = NULL;
+ return;
+}
+
+/*
* Destroy a memory pool
*/
void mm_destroy(MM *mm)
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ossp-pkg/mm/mm_global.c 1.14 -> 1.15
--- mm_global.c 2005/09/02 20:00:46 1.14
+++ mm_global.c 2006/06/10 21:25:55 1.15
@@ -66,6 +66,14 @@
return mm_permission(mm_global, mode, owner, group);
}
+void MM_reset(void)
+{
+ if (mm_global == NULL)
+ return;
+ mm_reset(mm_global);
+ return;
+}
+
void MM_destroy(void)
{
if (mm_global == NULL)
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