KolibriOS/kolibrios
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git-svn-id: svn://kolibrios.org@5131 a494cfbc-eb01-0410-851d-a64ba20cac60
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CleverMouse
2014-09-18 11:46:53 +00:00
parent 76d618357e
commit 3cf7852e03
687 changed files with 249967 additions and 7 deletions
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8
programs/develop/libraries/menuetlibc/src/libc/ansi/stdlib/malloc.c
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@@ -5,7 +5,6 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <menuet/sem.h>
typedef struct BLOCK {
size_t size;
@@ -23,7 +22,7 @@ typedef struct BLOCK {
#define ALIGN 8
#define SMALL (NUMSMALL*ALIGN)
DECLARE_STATIC_SEM(malloc_mutex)
static int malloc_mutex = 0;
static BLOCK *slop = 0;
static BLOCK *freelist[30];
@@ -33,12 +32,13 @@ static BLOCK *smallblocks[NUMSMALL];
static inline void malloc_lock(void)
{
sem_lock(&malloc_mutex);
while (__sync_lock_test_and_set(&malloc_mutex, 1))
__menuet__delay100(1);
}
static inline void malloc_unlock(void)
{
sem_unlock(&malloc_mutex);
__sync_lock_release(&malloc_mutex);
}
#define MIN_SAVE_EXTRA 64