X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/c316c28e6c8a165111d6bbc208555f5c53489818..db7fc030e9e04c881f5f12a0e23baa8db4e20ee1:/lunaix-os/kernel/demos/iotest.c

diff --git a/lunaix-os/kernel/demos/iotest.c b/lunaix-os/kernel/demos/iotest.c
deleted file mode 100644
index 91c3571..0000000
--- a/lunaix-os/kernel/demos/iotest.c
+++ /dev/null
@@ -1,65 +0,0 @@
-#include <ulibc/stdio.h>
-#include <usr/errno.h>
-#include <usr/fcntl.h>
-#include <usr/sys/lunaix.h>
-#include <usr/unistd.h>
-
-void
-_iotest_main()
-{
-    char test_sequence[] = "Once upon a time, in a magical land of Equestria. "
-                           "There were two regal sisters who ruled together "
-                           "and created harmony for all the land.";
-    char read_out[256];
-
-    // 切换工作目录至 /dev
-    int status = chdir("/dev");
-    if (status) {
-        write(stdout, "fail to chdir", 15);
-        return;
-    }
-
-    if (getcwd(read_out, sizeof(read_out))) {
-        printf("current working dir: %s\n", read_out);
-    }
-
-    // sda 设备 - 硬盘
-    //  sda设备属于容积设备（Volumetric Device），
-    //  Lunaix会尽可能缓存任何对此设备的上层读写，并使用延迟写入策略。（FO_DIRECT可用于屏蔽该功能）
-    int fd = open("./sda", 0);
-
-    if (fd < 0) {
-        printf("fail to open (%d)\n", errno);
-        return;
-    }
-
-    // 移动指针至512字节，在大多数情况下，这是第二个逻辑扇区的起始处
-    lseek(fd, 512, FSEEK_SET);
-
-    // 总共写入 64 * 136 字节，会产生3个页作为缓存
-    for (size_t i = 0; i < 64; i++) {
-        write(fd, test_sequence, sizeof(test_sequence));
-    }
-
-    // 随机读写测试
-    lseek(fd, 4 * 4096, FSEEK_SET);
-    write(fd, test_sequence, sizeof(test_sequence));
-
-    printf("input: ");
-    int size = read(stdin, read_out, 256);
-
-    printf("your said: %s\n", read_out);
-
-    write(fd, read_out, size);
-
-    // 读出我们写的内容
-    lseek(fd, 512, FSEEK_SET);
-    read(fd, read_out, sizeof(read_out));
-
-    // 将读出的内容直接写入tty设备
-    write(stdout, read_out, sizeof(read_out));
-    write(stdout, "\n", 1);
-
-    // 关闭文件，这同时会将页缓存中的数据下发到底层驱动
-    close(fd);
-}
\ No newline at end of file