Peter reported that rtc-test would periodically hang. It turns out
this was due to an EAGAIN occurring on qemu_chr_fe_write.
Instead of heavily refactoring qtest, just use a synchronous version
of the write operation for qemu_chr_fe_write to address this problem.
Reported-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Anthony Liguori <aligu...@us.ibm.com>
---
qtest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/qtest.c b/qtest.c
index 5e0e9ec..b03b68a 100644
--- a/qtest.c
+++ b/qtest.c
@@ -191,7 +191,7 @@ static void GCC_FMT_ATTR(2, 3) qtest_send(CharDriverState
*chr,
len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
- qemu_chr_fe_write(chr, (uint8_t *)buffer, len);
+ qemu_chr_fe_write_all(chr, (uint8_t *)buffer, len);
if (qtest_log_fp && qtest_opened) {
fprintf(qtest_log_fp, "%s", buffer);
}
--
1.8.0
