src/share/vm/runtime/os.hpp

rev 10257 : 8149036: Add tracing for thread related events at os level
Reviewed-by:

*** 647,656 ****
--- 647,661 ----
    static const char* exception_name(int exception_code, char* buf, size_t buflen);
  
    // Returns the signal number (e.g. 11) for a given signal name (SIGSEGV).
    static int get_signal_number(const char* signal_name);
  
+   // Returns the name for a given errno (e.g. "EINVAL" for EINVAL). The returned string
+   // is a static constant and does not have to be freed, so in contrast to strerror, this
+   // function is threadsafe. For unknown errno values, "unknown" is returned.
+   static const char* errno_name(int err_no);
+ 
    // Returns native Java library, loads if necessary
    static void*    native_java_library();
  
    // Fills in path to jvm.dll/libjvm.so (used by the Disassembler)
    static void     jvm_path(char *buf, jint buflen);