调用fopen()，返回errno = -12（/* Not enough space */）是什么原因？

发布于 2023-08-22 11:58:39 浏览：779 订阅该版

文件大小312字节，是内存不足的问题吗？
以下是内存占用情况和线程内存使用情况：

```shell
msh />free 
total   : 54792
used    : 46672
maximum : 52360

```
在FTPsend_线程中调用的fopen();

```shell
msh />ps
thread   pri  status      sp     stack size max used left tick  error
-------- ---  ------- ---------- ----------  ------  ---------- ---
handleda   7  suspend 0x0000014c 0x00000800    66%   0x00000029 000
recvdata   8  suspend 0x000000b8 0x00000300    71%   0x00000012 000
updatati  31  suspend 0x00000140 0x00000800    55%   0x00000009 000
FTPsend_   7  suspend 0x00000338 0x00000800    55%   0x00000001 000
Storagec   8  suspend 0x0000011c 0x00000800    44%   0x0000005b 000
ClientSe   7  suspend 0x0000014c 0x00000400    59%   0x00000008 000
ClientRe   8  suspend 0x000000b8 0x00000300    59%   0x0000000a 000
ec20      30  suspend 0x00000148 0x00000600    64%   0x00000008 000
at_clnt    9  suspend 0x000000fc 0x00000600    70%   0x00000004 000
tshell    20  running 0x000000cc 0x00000800    70%   0x00000005 000
sys work  23  suspend 0x00000110 0x00000800    46%   0x00000004 000
tcpip      5  suspend 0x000000f8 0x00000800    46%   0x0000000d 000
etx        4  suspend 0x000000b4 0x00000400    17%   0x0000000d 000
erx        4  suspend 0x000000c8 0x00000400    51%   0x0000000d 000
tidle0    31  ready   0x0000005c 0x00000100    61%   0x0000000c 000
timer      4  suspend 0x00000080 0x00000100    68%   0x00000009 000
main      10  suspend 0x0000013c 0x00000800    84%   0x00000007 000

```