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authorPascal Rigaux <pixel@mandriva.com>2000-07-11 20:24:21 +0000
committerPascal Rigaux <pixel@mandriva.com>2000-07-11 20:24:21 +0000
commit64e3af6a229bbadbee8b64ede2f8bf7f44bd5c05 (patch)
tree312f11c979a9a0e7119c3f1ff98cfc4a5149ce5a /rescue/kernel_read_part.c
parentb54d78676ac459c8fb94bc6b43caa29d5764e9bd (diff)
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Diffstat (limited to 'rescue/kernel_read_part.c')
-rw-r--r--rescue/kernel_read_part.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/rescue/kernel_read_part.c b/rescue/kernel_read_part.c
new file mode 100644
index 000000000..4b9d16d65
--- /dev/null
+++ b/rescue/kernel_read_part.c
@@ -0,0 +1,39 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+#include <sys/mount.h>
+#include <fcntl.h>
+
+
+void die(char *msg)
+{
+ perror(msg);
+ exit(1);
+}
+
+void kernel_read(char *dev)
+{
+ int fd;
+
+ sync();
+ if ((fd = open(dev, O_RDONLY)) == -1) die("can't open device");
+ sync();
+ sleep(1);
+ ioctl(fd, BLKRRPART, 0);
+ sync();
+ close(fd);
+ sync();
+}
+
+int main(int argc, char **argv)
+{
+ if (argc != 2) {
+ fprintf(stderr, "usage: kernel_read_part <hard drive device>\n");
+ exit(1);
+ }
+ kernel_read(argv[1]);
+}