RTEMS 4.7.0 On-Line Library 
 
Process Environment Manager Directives 
 
 
 
 
 
  
 
  
RTEMS POSIX API User's Guide  
3.4: Directives 
Process Environment Manager getpid - Get Process ID 
Process Environment Manager getppid - Get Parent Process ID 
Process Environment Manager getuid - Get User ID 
Process Environment Manager geteuid - Get Effective User ID 
Process Environment Manager getgid - Get Real Group ID 
Process Environment Manager getegid - Get Effective Group ID 
Process Environment Manager setuid - Set User ID 
Process Environment Manager setgid - Set Group ID 
Process Environment Manager getgroups - Get Supplementary Group IDs 
Process Environment Manager getlogin - Get User Name 
Process Environment Manager getlogin_r - Reentrant Get User Name 
Process Environment Manager getpgrp - Get Process Group ID 
Process Environment Manager setsid - Create Session and Set Process Group ID 
Process Environment Manager setpgid - Set Process Group ID for Job Control 
Process Environment Manager uname - Get System Name 
Process Environment Manager times - Get process times 
Process Environment Manager getenv - Get Environment Variables 
Process Environment Manager setenv - Set Environment Variables 
Process Environment Manager ctermid - Generate Terminal Pathname 
Process Environment Manager ttyname - Determine Terminal Device Name 
Process Environment Manager ttyname_r - Reentrant Determine Terminal Device Name 
Process Environment Manager isatty - Determine if File Descriptor is Terminal 
Process Environment Manager sysconf - Get Configurable System Variables 
 
This section details the process environment manager's directives.
A subsection is dedicated to each of this manager's directives
and describes the calling sequence, related constants, usage,
and status codes.
 
 
 
 
 
 
  
 
  
RTEMS POSIX API User's Guide  
Copyright © 1988-2004 OAR Corporation