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src/os/posix/vm/os_posix.cpp
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rev 10257 : 8149036: Add tracing for thread related events at os level
Reviewed-by: coleenp
@@ -1069,10 +1069,23 @@
#else
VMError::report_and_die("unimplemented ucontext_get_pc");
#endif
}
+char* os::Posix::describe_pthread_attr(char* buf, size_t buflen, const pthread_attr_t* attr) {
+ size_t stack_size = 0;
+ size_t guard_size = 0;
+ int detachstate = 0;
+ pthread_attr_getstacksize(attr, &stack_size);
+ pthread_attr_getguardsize(attr, &guard_size);
+ pthread_attr_getdetachstate(attr, &detachstate);
+ jio_snprintf(buf, buflen, "stacksize: " SIZE_FORMAT "k, guardsize: " SIZE_FORMAT "k, %s",
+ stack_size / 1024, guard_size / 1024,
+ (detachstate == PTHREAD_CREATE_DETACHED ? "detached" : "joinable"));
+ return buf;
+}
+
os::WatcherThreadCrashProtection::WatcherThreadCrashProtection() {
assert(Thread::current()->is_Watcher_thread(), "Must be WatcherThread");
}
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