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[Qemu-devel] [PATCH] qtest: fix infinite loop when QEMU aborts abruptly
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [PATCH] qtest: fix infinite loop when QEMU aborts abruptly |
Date: |
Wed, 27 Jun 2012 08:23:16 -0500 |
>From Markus:
Makes "make check" hang:
QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 gtester -k --verbose
-m=quick tests/crash-test tests/rtc-test
TEST: tests/crash-test... (pid=972)
qemu-system-x86_64: Device needs media, but drive is empty
[Nothing happens, wait a while, then hit ^C]
make: *** [check-qtest-x86_64] Interrupt
This was due to the fact that we weren't checked for errors when
reading from the QMP socket. This patch adds appropriate error
checking.
Reported-by: Markus Armbruster <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
---
tests/libqtest.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/tests/libqtest.c b/tests/libqtest.c
index 1d73fd1..071b6be 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -291,6 +291,11 @@ void qtest_qmp(QTestState *s, const char *fmt, ...)
continue;
}
+ if (len == -1 || len == 0) {
+ fprintf(stderr, "Broken pipe\n");
+ exit(1);
+ }
+
switch (c) {
case '{':
nesting++;
--
1.7.5.4
- [Qemu-devel] [PATCH] qtest: fix infinite loop when QEMU aborts abruptly,
Anthony Liguori <=