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test/app/stub: create sentinel file when init complete

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This is more reliable than checking for the DPDK generated
/var/run/*config file, and is not DPDK dependent.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iadaba1c715e6fe2aafd7375831961b79ae31714a

Reviewed-on: https://review.gerrithub.io/362628
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Jim Harris 2017-05-25 15:26:18 -07:00
parent d5b6b1880e
commit 675dc02b81
2 changed files with 11 additions and 3 deletions
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6
scripts/autotest_common.sh
View File

@ -231,15 +231,15 @@ function start_stub() {
$rootdir/test/app/stub/stub $1 &
stubpid=$!
echo Waiting for stub to ready for secondary processes...
while ! [ -e /var/run/.spdk0_config ]; do
sleep 0.1s
while ! [ -e /var/run/spdk_stub0 ]; do
sleep 1s
done
echo done.
}
function kill_stub() {
kill $stubpid
rm -rf /var/run/.spdk0_config
rm -rf /var/run/spdk_stub0
}
function run_test() {

8
test/app/stub/stub.c
View File

@ -36,6 +36,8 @@
#include "spdk/env.h"
#include "spdk/nvme.h"
static char g_path[256];
static void
usage(char *executable_name)
{
@ -105,6 +107,12 @@ main(int argc, char **argv)
exit(1);
}
snprintf(g_path, sizeof(g_path), "/var/run/spdk_stub%d", opts.shm_id);
if (mknod(g_path, S_IFREG, 0) != 0) {
fprintf(stderr, "could not create sentinel file %s\n", g_path);
exit(1);
}
while (1) {
sleep(1);
}