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[Qemu-devel] [PATCH 09/12] qemu-io: add "abort" command to simulate prog


From: Kevin Wolf
Subject: [Qemu-devel] [PATCH 09/12] qemu-io: add "abort" command to simulate program crash
Date: Mon, 6 Aug 2012 22:44:48 +0200

From: Stefan Hajnoczi <address@hidden>

Avoiding data loss and corruption is the top requirement for image file
formats.  The qemu-io "abort" command makes it possible to simulate
program crashes and does not give the image format a chance to cleanly
shut down.  This command is useful for data integrity test cases.

Signed-off-by: Stefan Hajnoczi <address@hidden>
Signed-off-by: Kevin Wolf <address@hidden>
---
 qemu-io.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/qemu-io.c b/qemu-io.c
index 8f3b94b..d0f4fb7 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -1652,6 +1652,17 @@ static const cmdinfo_t map_cmd = {
        .oneline        = "prints the allocated areas of a file",
 };
 
+static int abort_f(int argc, char **argv)
+{
+    abort();
+}
+
+static const cmdinfo_t abort_cmd = {
+       .name           = "abort",
+       .cfunc          = abort_f,
+       .flags          = CMD_NOFILE_OK,
+       .oneline        = "simulate a program crash using abort(3)",
+};
 
 static int close_f(int argc, char **argv)
 {
@@ -1905,6 +1916,7 @@ int main(int argc, char **argv)
     add_command(&discard_cmd);
     add_command(&alloc_cmd);
     add_command(&map_cmd);
+    add_command(&abort_cmd);
 
     add_args_command(init_args_command);
     add_check_command(init_check_command);
-- 
1.7.6.5




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