Merge tag 'pull-testing-for-7.2-011122-3' of https://github.com/stsquad/qemu into staging

testing and plugin updates for 7.2:

  - cleanup win32/64 docker files
  - update test-mingw test
  - add flex/bison to debian-all-test
  - handle --enable-static/--disable-pie in config
  - extend timeouts on x86_64 avocado tests
  - add flex/bison to debian-hexagon-cross
  - use regular semihosting for nios2 check-tcg
  - fix obscure linker error to nios2 softmmu tests
  - various windows portability fixes for tests
  - clean-up of MAINTAINERS
  - use -machine none when appropriate in avocado
  - make raspi2_initrd test detect shutdown
  - disable sh4 rd2 tests on gitlab
  - re-enable threadcount/linux-test for sh4
  - clean-up s390x handling of "ex" instruction
  - better handle new CPUs in execlog plugin
  - pass CONFIG_DEBUG_TCG to plugin builds
  - try and avoid races in test-io-channel-command
  - speed up ssh key checking for tests/vm

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* tag 'pull-testing-for-7.2-011122-3' of https://github.com/stsquad/qemu: (31 commits)
  tests/vm: use -o IdentitiesOnly=yes for ssh
  tests/unit: cleanups for test-io-channel-command
  contrib/plugins: protect execlog's last_exec expansion
  contrib/plugins: enable debug on CONFIG_DEBUG_TCG
  tests/tcg: include CONFIG_PLUGIN in config-host.mak
  target/s390x: fake instruction loading when handling 'ex'
  target/s390x: don't probe next pc for EXecuted insns
  target/s390x: don't use ld_code2 to probe next pc
  tests/tcg: re-enable threadcount for sh4
  tests/tcg: re-enable linux-test for sh4
  tests/avocado: disable sh4 rd2 tests on Gitlab
  tests/avocado: raspi2_initrd: Wait for guest shutdown message before stopping
  tests/avocado: set -machine none for userfwd and vnc tests
  MAINTAINERS: fix-up for check-tcg Makefile changes
  MAINTAINERS: add features_to_c.sh to gdbstub files
  MAINTAINERS: add entries for the key build bits
  hw/usb: dev-mtp: Use g_mkdir()
  block/vvfat: Unify the mkdir() call
  tcg: Avoid using hardcoded /tmp
  semihosting/arm-compat-semi: Avoid using hardcoded /tmp
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 28 insertions, 17 deletions

diff --git a/tests/unit/test-io-channel-command.c b/tests/unit/test-io-channel-command.c
index 7eee939c07..43e29c8cfb 100644
--- a/tests/unit/test-io-channel-command.c
+++ b/tests/unit/test-io-channel-command.c
@@ -19,6 +19,7 @@
  */
 
 #include "qemu/osdep.h"
+#include <glib/gstdio.h>
 #include "io/channel-command.h"
 #include "io-channel-helpers.h"
 #include "qapi/error.h"
@@ -26,32 +27,32 @@
 
 #define TEST_FIFO "test-io-channel-command.fifo"
 
-#define SOCAT_SRC "PIPE:" TEST_FIFO ",wronly"
-#define SOCAT_DST "PIPE:" TEST_FIFO ",rdonly"
-
 static char *socat = NULL;
 
 static void test_io_channel_command_fifo(bool async)
 {
+    g_autofree gchar *tmpdir = g_dir_make_tmp("qemu-test-io-channel.XXXXXX", NULL);
+    g_autofree gchar *fifo = g_strdup_printf("%s/%s", tmpdir, TEST_FIFO);
+    g_autoptr(GString) srcargs = g_string_new(socat);
+    g_autoptr(GString) dstargs = g_string_new(socat);
+    g_auto(GStrv) srcargv;
+    g_auto(GStrv) dstargv;
     QIOChannel *src, *dst;
     QIOChannelTest *test;
-    const char *srcargv[] = {
-        socat, "-", SOCAT_SRC, NULL,
-    };
-    const char *dstargv[] = {
-        socat, SOCAT_DST, "-", NULL,
-    };
 
-    if (!socat) {
-        g_test_skip("socat is not found in PATH");
-        return;
-    }
+    g_string_append_printf(srcargs, " - PIPE:%s,wronly", fifo);
+    g_string_append_printf(dstargs, " PIPE:%s,rdonly -", fifo);
+
+    srcargv = g_strsplit(srcargs->str, " ", -1);
+    dstargv = g_strsplit(dstargs->str, " ", -1);
 
-    unlink(TEST_FIFO);
-    src = QIO_CHANNEL(qio_channel_command_new_spawn(srcargv,
+    src = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) srcargv,
                                                     O_WRONLY,
                                                     &error_abort));
-    dst = QIO_CHANNEL(qio_channel_command_new_spawn(dstargv,
+    /* try to avoid a race to create the socket */
+    g_usleep(1000);
+
+    dst = QIO_CHANNEL(qio_channel_command_new_spawn((const char **) dstargv,
                                                     O_RDONLY,
                                                     &error_abort));
 
@@ -62,17 +63,27 @@ static void test_io_channel_command_fifo(bool async)
     object_unref(OBJECT(src));
     object_unref(OBJECT(dst));
 
-    unlink(TEST_FIFO);
+    g_rmdir(tmpdir);
 }
 
 
 static void test_io_channel_command_fifo_async(void)
 {
+    if (!socat) {
+        g_test_skip("socat is not found in PATH");
+        return;
+    }
+
     test_io_channel_command_fifo(true);
 }
 
 static void test_io_channel_command_fifo_sync(void)
 {
+    if (!socat) {
+        g_test_skip("socat is not found in PATH");
+        return;
+    }
+
     test_io_channel_command_fifo(false);
 }