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authorJacopo Mondi <jacopo@jmondi.org>2021-12-13 15:44:22 +0100
committerJacopo Mondi <jacopo@jmondi.org>2021-12-13 19:31:02 +0100
commita3122eeceafae4f37346ec40f24d20706473e962 (patch)
tree99fd5156b73b707d0cd769a0653685b696b8b83a /test/fence.cpp
parent13fdf9d0dcd371e8b348e234847b133494be615d (diff)
test: fence: Check write return value
The ::write() function used to signal a framebuffer fence in the unit test is marked with the 'warn_unused_result'. When building in debugoptimized mode not checking for the return value causes issues at build time: /test/fence.cpp:254:2: error: ignoring return value of function declared with 'warn_unused_result' attribute Fix that by checking the ::write() return value and emitting an error message in case the write fails. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Reported-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Diffstat (limited to 'test/fence.cpp')
-rw-r--r--test/fence.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/test/fence.cpp b/test/fence.cpp
index d2dfc9b6..d2865398 100644
--- a/test/fence.cpp
+++ b/test/fence.cpp
@@ -251,7 +251,12 @@ void FenceTest::requestComplete(Request *request)
void FenceTest::signalFence()
{
uint64_t value = 1;
- write(efd2_, &value, sizeof(value));
+ int ret;
+
+ ret = write(efd2_, &value, sizeof(value));
+ if (ret != sizeof(value))
+ cerr << "Failed to signal fence" << endl;
+
dispatcher_->processEvents();
}