Re: [dpdk-dev] [PATCH v2 8/9] test/vfio_user: introduce functional test

[David Christensen <drc@linux.vnet.ibm.com>]

On 1/13/21 10:14 PM, Chenbo Xia wrote:
> This patch introduces functional test for vfio_user client and
> server. Note that the test can only be run with server and client
> both started and server should be started first.

Receiving a build warning on RHEL 8.3 (gcc 8.3.1) for POWER with this patch:

../app/test/test_vfio_user.c: In function ‘test_dev_cfg_rw’:
../app/test/test_vfio_user.c:60:3: warning: implicit declaration of 
function ‘memcpy’ [-Wimplicit-function-declaration]
    memcpy(buf, loc, count);
    ^~~~~~
../app/test/test_vfio_user.c:60:3: warning: incompatible implicit 
declaration of built-in function ‘memcpy’
../app/test/test_vfio_user.c:60:3: note: include ‘<string.h>’ or provide 
a declaration of ‘memcpy’
../app/test/test_vfio_user.c:18:1:
+#include <string.h>

../app/test/test_vfio_user.c:60:3:
    memcpy(buf, loc, count);
    ^~~~~~
../app/test/test_vfio_user.c:64:2: warning: incompatible implicit 
declaration of built-in function ‘memcpy’
   memcpy(loc, buf, count);
   ^~~~~~
../app/test/test_vfio_user.c:64:2: note: include ‘<string.h>’ or provide 
a declaration of ‘memcpy’
../app/test/test_vfio_user.c: In function ‘test_get_mem’:
../app/test/test_vfio_user.c:192:2: warning: incompatible implicit 
declaration of built-in function ‘memcpy’
   memcpy(server_mem->entry, mem->entry, entry_sz);
   ^~~~~~
../app/test/test_vfio_user.c:192:2: note: include ‘<string.h>’ or 
provide a declaration of ‘memcpy’
../app/test/test_vfio_user.c: In function ‘test_create_device’:
../app/test/test_vfio_user.c:226:6: warning: implicit declaration of 
function ‘strcmp’ [-Wimplicit-function-declaration]
   if (strcmp(sock, test_sock)) {
       ^~~~~~

Also, when running vfio_user_autotest_server, I'm unable to exit the 
application with CTRL-C directly.  If a run a second test with 
vfio_user_autotest_client then the server test runs to completion 
without an error and I'm able to exit the test app normally.  Any way to 
get out of the server test without running the matching client test?

Dave