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diff --git a/posix1003-1/process_environment.rst b/posix1003-1/process_environment.rst new file mode 100644 index 0000000..f9432b3 --- /dev/null +++ b/posix1003-1/process_environment.rst @@ -0,0 +1,206 @@ +.. comment SPDX-License-Identifier: CC-BY-SA-4.0 + +Process Environment +################### + +Process Identification +====================== + +Get Process and Parent Process IDs +---------------------------------- + +.. code:: c + + getpid(), Function, Implemented, SUSP Functionality + getppid(), Function, Implemented, SUSP Functionality + +User Identification +=================== + +Get Real User Effective User Real Group and Effective Group IDs +--------------------------------------------------------------- + +.. code:: c + + getuid(), Function, Implemented, SUSP Functionality + geteuid(), Function, Implemented, SUSP Functionality + getgid(), Function, Implemented, SUSP Functionality + getegid(), Function, Implemented, SUSP Functionality + +Set User and Group IDs +---------------------- + +.. code:: c + + setuid(), Function, Implemented, SUSP Functionality + setgid(), Function, Implemented, SUSP Functionality + +Get Supplementary Group IDs +--------------------------- + +.. code:: c + + getgroups(), Function, Implemented, SUSP Functionality + +Get User Name +------------- + +.. code:: c + + getlogin(), Function, Implemented, SUSP Functionality + getlogin_r(), Function, Implemented, SUSP Functionality + +Process Groups +============== + +Get Process Group ID +-------------------- + +.. code:: c + + getpgrp(), Function, Implemented, SUSP Functionality + +Create Session and Set Process Group ID +--------------------------------------- + +.. code:: c + + setsid(), Function, Implemented, SUSP Functionality + +Set Process Group ID for Job Control +------------------------------------ + +.. code:: c + + setpgid(), Function, Dummy Implementation + +System Identification +===================== + +Get System Name +--------------- + +.. code:: c + + struct utsname, Type, Implemented + uname(), Function, Implemented + +Time +==== + +Get System Time +--------------- + +.. code:: c + + time(), Function, Implemented + +Get Process Times +----------------- + +.. code:: c + + struct tms, Type, Implemented + times(), Function, Implemented + +NOTE: ``times`` always returns 0 for tms_stime, tms_cutime, and +tms_cstime fields of the ``struct tms`` returned. + +Environment Variables +===================== + +Environment Access +------------------ + +.. code:: c + + getenv(), Function, Implemented + +Terminal Identification +======================= + +Generate Terminal Pathname +-------------------------- + +.. code:: c + + ctermid(), Function, Implemented + +Determine Terminal Device Name +------------------------------ + +.. code:: c + + ttyname(), Function, Implemented, untested + ttyname_r(), Function, Implemented, untested + isatty(), Function, Implemented + +Configurable System Variables +============================= + +Get Configurable System Variables +--------------------------------- + +.. code:: c + + sysconf(), Function, Dummy Implementation + _SC_AIO_LISTIO_MAX, Constant, Implemented + _SC_AIO_MAX, Constant, Implemented + _SC_AIO_PRIO_DELTA_MAX, Constant, Implemented + _SC_ARG_MAX, Constant, Implemented + _SC_CHILD_MAX, Constant, Implemented + _SC_CLK_TCK, Constant, Implemented + CLK_TCK, Constant, Implemented + _SC_DELAYTIMER_MAX, Constant, Implemented + _SC_GETGR_R_SIZE_MAX, Constant, Implemented + _SC_GETPW_R_SIZE_MAX, Constant, Implemented + _SC_LOGIN_NAME_MAX, Constant, Implemented + _SC_MQ_OPEN_MAX, Constant, Implemented + _SC_MQ_PRIO_MAX, Constant, Implemented + _SC_NGROUPS_MAX, Constant, Implemented + _SC_OPEN_MAX, Constant, Implemented + _SC_PAGESIZE, Constant, Implemented + _SC_RTSIG_MAX, Constant, Implemented + _SC_SEM_NSEMS_MAX, Constant, Implemented + _SC_SEM_VALUE_MAX, Constant, Implemented + _SC_SIGQUEUE_MAX, Constant, Implemented + _SC_STREAM_MAX, Constant, Implemented + _SC_THREAD_DESTRUCTOR_ITERATIONS, Constant, Implemented + _SC_THREAD_KEYS_MAX, Constant, Implemented + _SC_THREAD_STACK_MIN, Constant, Implemented + _SC_THREAD_THREADS_MAX, Constant, Implemented + _SC_TIMER_MAX, Constant, Implemented + _SC_TTY_NAME_MAX, Constant, Implemented + _SC_TZNAME_MAX, Constant, Implemented + _SC_ASYNCHRONOUS_IO, Constant, Implemented + _SC_FSYNC, Constant, Implemented + _SC_JOB_CONROL, Constant, Implemented + _SC_MAPPED_FILES, Constant, Implemented + _SC_MEMLOCK, Constant, Implemented + _SC_MEMLOCK_RANGE, Constant, Implemented + _SC_MEMORY_PROTECTION, Constant, Implemented + _SC_MESSAGE_PASSING, Constant, Implemented + _SC_PRIORITIZED_IO, Constant, Implemented + _SC_PRIORITY_SCHEDULING, Constant, Unimplemented + _SC_REALTIME_SIGNALS, Constant, Implemented + _SC_SAVED_IDS, Constant, Implemented + _SC_SEMAPHORES, Constant, Implemented + _SC_SHARED_MEMORY_OBJECTS, Constant, Implemented + _SC_SYNCHRONIZED_IO, Constant, Implemented + _SC_TIMERS, Constant, Implemented + _SC_THREADS, Constant, Implemented + _SC_THREAD_ATTR_STACKADDR, Constant, Implemented + _SC_THREAD_ATTR_STACKSIZE, Constant, Implemented + _SC_THREAD_PRIORITY_SCHEDULING, Constant, Implemented + _SC_THREAD_PRIO_INHERIT, Constant, Implemented + _SC_THREAD_PRIO_PROTECT, Constant, Unimplemented + _SC_THREAD_PROCESS_SHARED, Constant, Implemented + _SC_THREAD_SAFE_FUNCTIONS, Constant, Implemented + _SC_VERSION, Constant, Implemented + +.. COMMENT: COPYRIGHT (c) 1988-2002. + +.. COMMENT: On-Line Applications Research Corporation (OAR). + +.. COMMENT: All rights reserved. + |