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System Calls

• A
  • access(2) – determine accessibility of a file
  • acct(2) – enable or disable process accounting
  • acl(2) – get or set a file's Access Control List (ACL)
  • adjtime(2) – correct the time to allow synchronization of the system clock
  • alarm(2) – schedule an alarm signal
  • audit(2) – write a record to the audit log
  • auditon(2) – manipulate auditing
• B
  • brk(2) – change the amount of space allocated for the calling process's data segment
• C
  • chdir(2) – change working directory
  • chmod(2) – change access permission mode of file
  • chown(2) – change owner and group of a file
  • chroot(2) – change root directory
  • close(2) – close a file descriptor
  • creat(2) – create a new file or rewrite an existing one
• D
  • dup(2) – duplicate an open file descriptor
• E
  • exec(2) – execute a file
  • execl(2) – execute a file
  • execle(2) – execute a file
  • execlp(2) – execute a file
  • execv(2) – execute a file
  • execve(2) – execute a file
  • execvp(2) – execute a file
  • _Exit(2) – terminate process
  • _exit(2) – terminate process
  • exit(2) – terminate process
• F
  • faccessat(2) – determine accessibility of a file
  • facl(2) – get or set a file's Access Control List (ACL)
  • fchdir(2) – change working directory
  • fchmod(2) – change access permission mode of file
  • fchown(2) – change owner and group of a file
  • fchownat(2) – change owner and group of a file
  • fchroot(2) – change root directory
  • fcntl(2) – file control
  • fgetlabel(2) – get file sensitivity label
  • fork1(2) – create a new process
  • fork(2) – create a new process
  • forkall(2) – create a new process
  • forkallx(2) – create a new process
  • forkx(2) – create a new process
  • fpathconf(2) – get configurable pathname variables
  • fstat(2) – get file status
  • fstatat(2) – get file status
  • fstatvfs(2) – get file system information
  • futimens(2) – set file access and modification times
  • futimesat(2) – set file access and modification times
• G
  • getacct(2) – get, put, or write extended accounting data
  • getaudit(2) – get or set process audit information
  • getaudit_addr(2) – get or set process audit information
  • getauid(2) – get or set user audit identity
  • getcontext(2) – get and set current user context
  • getdents(2) – read directory entries and put in a file system independent format
  • getegid(2) – get real user, effective user, real group, and effective group IDs
  • geteuid(2) – get real user, effective user, real group, and effective group IDs
  • getgid(2) – get real user, effective user, real group, and effective group IDs
  • getgroups(2) – get or set supplementary group access list IDs
  • getisax(2) – extract valid instruction set extensions
  • getitimer(2) – get or set value of interval timer
  • getlabel(2) – get file sensitivity label
  • getmsg(2) – get next message off a stream
  • getpflags(2) – get or set process flags
  • getpgid(2) – get process, process group, and parent process IDs
  • getpgrp(2) – get process, process group, and parent process IDs
  • getpid(2) – get process, process group, and parent process IDs
  • getpmsg(2) – get next message off a stream
  • getppid(2) – get process, process group, and parent process IDs
  • getppriv(2) – get or set a privilege set
  • getprojid(2) – set or get task or project IDs
  • getrctl(2) – set or get resource control values
  • getrlimit(2) – control maximum system resource consumption
  • getsid(2) – get process group ID of session leader
  • gettaskid(2) – set or get task or project IDs
  • getuid(2) – get real user, effective user, real group, and effective group IDs
  • getustack(2) – retrieve or change the address of per-LWP stack boundary information
• H
• I
  • ioctl(2) – control device
  • issetugid(2) – determine if current executable is running setuid or setgid
• J
• K
  • kill(2) – send a signal to a process or a group of processes
• L
  • lchown(2) – change owner and group of a file
  • link(2) – link to a file
  • llseek(2) – move extended read/write file pointer
  • lseek(2) – move read/write file pointer
  • lstat(2) – get file status
  • _lwp_cond_broadcast(2) – signal a condition variable
  • _lwp_cond_reltimedwait(2) – wait on a condition variable
  • _lwp_cond_signal(2) – signal a condition variable
  • _lwp_cond_timedwait(2) – wait on a condition variable
  • _lwp_cond_wait(2) – wait on a condition variable
  • _lwp_continue(2) – continue or suspend LWP execution
  • _lwp_info(2) – return the time-accounting information of a single LWP
  • _lwp_kill(2) – send a signal to a LWP
  • _lwp_mutex_lock(2) – mutual exclusion
  • _lwp_mutex_trylock(2) – mutual exclusion
  • _lwp_mutex_unlock(2) – mutual exclusion
  • _lwp_self(2) – get LWP identifier
  • _lwp_sema_init(2) – semaphore operations
  • _lwp_sema_post(2) – semaphore operations
  • _lwp_sema_trywait(2) – semaphore operations
  • _lwp_sema_wait(2) – semaphore operations
  • _lwp_suspend(2) – continue or suspend LWP execution
• M
  • memcntl(2) – memory management control
  • meminfo(2) – provide information about memory
  • mincore(2) – determine residency of memory pages
  • mkdir(2) – make a directory
  • mknod(2) – make a directory, a special file, or a regular file
  • mmap(2) – map pages of memory
  • mmapobj(2) – map a file object in the appropriate manner
  • mount(2) – mount a file system
  • mprotect(2) – set protection of memory mapping
  • msgctl(2) – message control operations
  • msgget(2) – get message queue
  • msgids(2) – discover all message queue identifiers
  • msgrcv(2) – message receive operation
  • msgsnap(2) – message queue snapshot operation
  • msgsnd(2) – message send operation
  • munmap(2) – unmap pages of memory
• N
  • nice(2) – change priority of a process
  • ntp_adjtime(2) – adjust local clock parameters
  • ntp_gettime(2) – get local clock values
• O
  • open(2) – open a file
  • openat(2) – open a file
• P
  • pathconf(2) – get configurable pathname variables
  • pause(2) – suspend process until signal
  • pcsample(2) – program execution time profile
  • pipe(2) – create an interprocess channel
  • poll(2) – input/output multiplexing
  • p_online(2) – return or change processor operational status
  • pread(2) – read from file
  • priocntl(2) – process scheduler control
  • priocntlset(2) – generalized process scheduler control
  • processor_bind(2) – bind LWPs to a processor
  • processor_info(2) – determine type and status of a processor
  • profil(2) – execution time profile
  • pset_assign(2) – manage sets of processors
  • pset_bind(2) – bind LWPs to a set of processors
  • pset_create(2) – manage sets of processors
  • pset_destroy(2) – manage sets of processors
  • pset_getattr(2) – set or get processor set attributes
  • pset_info(2) – get information about a processor set
  • pset_list(2) – get list of processor sets
  • pset_setattr(2) – set or get processor set attributes
  • putacct(2) – get, put, or write extended accounting data
  • putmsg(2) – send a message on a stream
  • putpmsg(2) – send a message on a stream
  • pwrite(2) – write on a file
• Q
• R
  • read(2) – read from file
  • readlink(2) – read the contents of a symbolic link
  • readv(2) – read from file
  • rename(2) – change the name of a file
  • renameat(2) – change the name of a file
  • resolvepath(2) – resolve all symbolic links of a path name
  • rmdir(2) – remove a directory
• S
  • sbrk(2) – change the amount of space allocated for the calling process's data segment
  • semctl(2) – semaphore control operations
  • semget(2) – get set of semaphores
  • semids(2) – discover all semaphore identifiers
  • semop(2) – semaphore operations
  • semtimedop(2) – semaphore operations
  • setaudit(2) – get or set process audit information
  • setaudit_addr(2) – get or set process audit information
  • setauid(2) – get or set user audit identity
  • setcontext(2) – get and set current user context
  • setegid(2) – set user and group IDs
  • seteuid(2) – set user and group IDs
  • setgid(2) – set user and group IDs
  • setgroups(2) – get or set supplementary group access list IDs
  • setitimer(2) – get or set value of interval timer
  • setpflags(2) – get or set process flags
  • setpgid(2) – set process group ID
  • setpgrp(2) – set process group ID
  • setppriv(2) – get or set a privilege set
  • setrctl(2) – set or get resource control values
  • setregid(2) – set real and effective group IDs
  • setreuid(2) – set real and effective user IDs
  • setrlimit(2) – control maximum system resource consumption
  • setsid(2) – create session and set process group ID
  • settaskid(2) – set or get task or project IDs
  • setuid(2) – set user and group IDs
  • setustack(2) – retrieve or change the address of per-LWP stack boundary information
  • shmat(2) – shared memory operations
  • shmctl(2) – shared memory control operations
  • shmdt(2) – shared memory operations
  • shmget(2) – get shared memory segment identifier
  • shmids(2) – discover all shared memory identifiers
  • shmop(2) – shared memory operations
  • sigaction(2) – detailed signal management
  • sigaltstack(2) – set or get signal alternate stack context
  • sigpending(2) – examine signals that are blocked and pending
  • sigprocmask(2) – change or examine caller's signal mask
  • sigsend(2) – send a signal to a process or a group of processes
  • sigsendset(2) – send a signal to a process or a group of processes
  • sigsuspend(2) – install a signal mask and suspend caller until signal
  • sigwait(2) – wait until a signal is posted
  • __sparc_utrap_install(2) – install a SPARC V9 user trap handler
  • stat(2) – get file status
  • statvfs(2) – get file system information
  • stime(2) – set system time and date
  • swapctl(2) – manage swap space
  • symlink(2) – make a symbolic link to a file
  • sync(2) – update super block
  • sysfs(2) – get file system type information
  • sysinfo(2) – get and set system information strings
• T
  • time(2) – get time
  • times(2) – get process and child process times
• U
  • uadmin(2) – administrative control
  • ulimit(2) – get and set process limits
  • umask(2) – set and get file creation mask
  • umount(2) – unmount a file system
  • umount2(2) – unmount a file system
  • uname(2) – get name of current operating system
  • unlink(2) – remove directory entry
  • unlinkat(2) – remove directory entry
  • ustat(2) – get file system statistics
  • utime(2) – set file access and modification times
  • utimensat(2) – set file access and modification times
  • utimes(2) – set file access and modification times
  • uucopy(2) – no-fault memory-to-memory copy
• V
  • vfork(2) – spawn new process in a virtual memory efficient way
  • vforkx(2) – spawn new process in a virtual memory efficient way
  • vhangup(2) – virtually “hangup” the current controlling terminal
• W
  • waitid(2) – wait for child process to change state
  • wracct(2) – get, put, or write extended accounting data
  • write(2) – write on a file
  • writev(2) – write on a file
• X
• Y
  • yield(2) – yield execution to another lightweight process
• Z