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authorPeter Maydell <peter.maydell@linaro.org>2017-01-20 12:35:10 +0000
committerPeter Maydell <peter.maydell@linaro.org>2017-01-20 12:35:10 +0000
commit6ffefe7ff785b3abb990b6300023f8eafc790127 (patch)
tree1deac4ae455cca788ce1c66943996eeeeb696409 /include/qapi/error.h
parent28f5e970a69f0be05d08eb81bdc72ab35b591dd7 (diff)
parent0d6b50d474090b9085c595e2475c40cfdc092411 (diff)
downloadfocaccia-qemu-6ffefe7ff785b3abb990b6300023f8eafc790127.tar.gz
focaccia-qemu-6ffefe7ff785b3abb990b6300023f8eafc790127.zip
Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2017-01-19' into staging
Error reporting patches for 2017-01-19

# gpg: Signature made Thu 19 Jan 2017 14:51:17 GMT
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-error-2017-01-19:
  error: Report certain hints on stderr when no monitor
  error: error_setg_errno(): errno gets preserved

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/qapi/error.h')
-rw-r--r--include/qapi/error.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/qapi/error.h b/include/qapi/error.h
index 0576659603..7e532d00e9 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -170,6 +170,9 @@ void error_setg_internal(Error **errp,
  * Just like error_setg(), with @os_error info added to the message.
  * If @os_error is non-zero, ": " + strerror(os_error) is appended to
  * the human-readable error message.
+ *
+ * The value of errno (which usually can get clobbered by almost any
+ * function call) will be preserved.
  */
 #define error_setg_errno(errp, os_error, fmt, ...)                      \
     error_setg_errno_internal((errp), __FILE__, __LINE__, __func__,     \