POSIX Functions

Table of Contents

• posix_access โ€” Determine accessibility of a file
• posix_ctermid โ€” Get path name of controlling terminal
• posix_get_last_error โ€” Retrieve the error number set by the last posix function that failed
• posix_getcwd โ€” Pathname of current directory
• posix_getegid โ€” Return the effective group ID of the current process
• posix_geteuid โ€” Return the effective user ID of the current process
• posix_getgid โ€” Return the real group ID of the current process
• posix_getgrgid โ€” Return info about a group by group id
• posix_getgrnam โ€” Return info about a group by name
• posix_getgroups โ€” Return the group set of the current process
• posix_getlogin โ€” Return login name
• posix_getpgid โ€” Get process group id for job control
• posix_getpgrp โ€” Return the current process group identifier
• posix_getpid โ€” Return the current process identifier
• posix_getppid โ€” Return the parent process identifier
• posix_getpwnam โ€” Return info about a user by username
• posix_getpwuid โ€” Return info about a user by user id
• posix_getrlimit โ€” Return info about system resource limits
• posix_getsid โ€” Get the current sid of the process
• posix_getuid โ€” Return the real user ID of the current process
• posix_initgroups โ€” Calculate the group access list
• posix_isatty โ€” Determine if a file descriptor is an interactive terminal
• posix_kill โ€” Send a signal to a process
• posix_mkfifo โ€” Create a fifo special file (a named pipe)
• posix_mknod โ€” Create a special or ordinary file (POSIX.1)
• posix_setegid โ€” Set the effective GID of the current process
• posix_seteuid โ€” Set the effective UID of the current process
• posix_setgid โ€” Set the GID of the current process
• posix_setpgid โ€” Set process group id for job control
• posix_setsid โ€” Make the current process a session leader
• posix_setuid โ€” Set the UID of the current process
• posix_strerror โ€” Retrieve the system error message associated with the given errno
• posix_times โ€” Get process times
• posix_ttyname โ€” Determine terminal device name
• posix_uname โ€” Get system name