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🆕 exec (存在bug

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This commit is contained in:
fslongjin
2022-05-31 21:55:06 +08:00
parent 844e66f6bb
commit e2a59dbd43
24 changed files with 494 additions and 90 deletions
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4
user/libs/libc/malloc.c
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@ -138,7 +138,7 @@ static int malloc_enlarge(int64_t size)
}
int64_t free_space = brk_max_addr - brk_managed_addr;
// printf("size=%ld\tfree_space=%ld\n", size, free_space);
if (free_space < size) // 现有堆空间不足
{
if (sbrk(size - free_space) != (void *)(-1))
@ -148,6 +148,8 @@ static int malloc_enlarge(int64_t size)
put_string("malloc_enlarge(): no_mem\n", COLOR_YELLOW, COLOR_BLACK);
return -ENOMEM;
}
// printf("brk max addr = %#018lx\n", brk_max_addr);
}
// 扩展管理的堆空间