From 03987ef3d1ed9c2d604561a69db169cd535014b6 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期六, 25 七月 2020 16:17:04 +0800
Subject: [PATCH] commit
---
src/queue/mm.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/src/queue/mm.c b/src/queue/mm.c
index 592fda0..b09aa73 100644
--- a/src/queue/mm.c
+++ b/src/queue/mm.c
@@ -81,7 +81,7 @@
static void *place(void *bp, size_t size);
static void *find_fit(size_t size);
static void *coalesce(void *bp);
-static void rm_fblock(void *bp);
+static inline void rm_fblock(void *bp);
static void insert_fblock (void *bp);
static void *mem_sbrk(int incr);
@@ -122,6 +122,7 @@
SemUtil::inc(mutex);
return aptr;
} else {
+ SemUtil::inc(mutex);
err_msg(0, "mm_malloc : out of memery\n");
return NULL;
}
@@ -143,9 +144,8 @@
*}
*/
-
- size_t size = GET_SIZE(HDRP(ptr));
SemUtil::dec(mutex);
+ size_t size = GET_SIZE(HDRP(ptr));
PUT(HDRP(ptr), PACK(size, 0));
PUT(FTRP(ptr), PACK(size, 0));
coalesce(ptr);
@@ -444,9 +444,10 @@
/**
* remove a block form free list
*/
-static void rm_fblock(void *rbp)
+static inline void rm_fblock(void *rbp)
{
// the successor of the previous block of rbp point to next block of rbp
+
PUT_PTR(SUCCRP(PREV_FBLKP(rbp)), NEXT_FBLKP(rbp));
// the predecessor of then next block of rbp point to previous block of rbp
PUT_PTR(PREDRP(NEXT_FBLKP(rbp)), PREV_FBLKP(rbp));
--
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