src/hotspot/os/posix/os_posix.cpp

rev 52472 : 8211326: add OS user related information to hs_err file

*** 35,44 ****
--- 35,46 ----
  #include "utilities/macros.hpp"
  #include "utilities/vmError.hpp"
  
  #include <dirent.h>
  #include <dlfcn.h>
+ #include <grp.h>
+ #include <pwd.h>
  #include <pthread.h>
  #include <signal.h>
  #include <sys/mman.h>
  #include <sys/resource.h>
  #include <sys/utsname.h>
*** 439,448 ****
--- 441,482 ----
    st->print("%s ", name.version);
    st->print("%s", name.machine);
    st->cr();
  }
  
+ void os::Posix::print_umask(outputStream* st, mode_t umsk) {
+   st->print((umsk & S_IRUSR) ? "r" : "-");
+   st->print((umsk & S_IWUSR) ? "w" : "-");
+   st->print((umsk & S_IXUSR) ? "x" : "-");
+   st->print((umsk & S_IRGRP) ? "r" : "-");
+   st->print((umsk & S_IWGRP) ? "w" : "-");
+   st->print((umsk & S_IXGRP) ? "x" : "-");
+   st->print((umsk & S_IROTH) ? "r" : "-");
+   st->print((umsk & S_IWOTH) ? "w" : "-");
+   st->print((umsk & S_IXOTH) ? "x" : "-");
+ }
+ 
+ void os::Posix::print_user_info(outputStream* st) {
+   unsigned id = (unsigned) ::getuid();
+   st->print("uid  : %u ", id);
+   id = (unsigned) ::geteuid();
+   st->print("euid : %u ", id);
+   id = (unsigned) ::getgid();
+   st->print("gid  : %u ", id);
+   id = (unsigned) ::getegid();
+   st->print_cr("egid : %u", id);
+   st->cr();
+ 
+   mode_t umsk = ::umask(0);
+   ::umask(umsk);
+   st->print("umask: %04o (", (unsigned) umsk);
+   print_umask(st, umsk);
+   st->print_cr(")");
+   st->cr();
+ }
+ 
+ 
  bool os::get_host_name(char* buf, size_t buflen) {
    struct utsname name;
    uname(&name);
    jio_snprintf(buf, buflen, "%s", name.nodename);
    return true;