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Handle potential failure better

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This commit is contained in:
Stefan Johansson 2026-03-27 10:29:01 +00:00
parent ae42db36e0
commit b05454bcab
1 changed files with 4 additions and 2 deletions
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6
src/hotspot/share/jfr/jni/jfrJniMethod.cpp
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@ -412,8 +412,10 @@ JVM_END
JVM_ENTRY_NO_ENV(jlong, jfr_host_memory_usage(JNIEnv* env, jclass jvm))
physical_memory_size_type memory_usage = 0;
// Return value ignored - defaulting to 0 on failure.
(void)os::Machine::used_memory(memory_usage);
if (!os::Machine::used_memory(memory_usage)) {
// Return -1 to signal failure to get memory usage.
return static_cast<jlong>(-1);
}
return static_cast<jlong>(memory_usage);
JVM_END