POSIX Features

kill()

Send a signal to a process 

sigemptyset()

Set a set of signals to NULL

sigfillset()

Set all signals in a set 

sigaddset()

Add an individual signal to a set 

sigdelset()

Delete an individual signal from a set 

sigismember()

Test whether a signal is member of a set 

sigaction()

Set/Examine action for a given signal. 

pthread_sigmask()

Set/Examine signal mask for a pthread 

sigprocmask()

Set/Examine signal mask for a process 

sigpending()

Examine pending signals 

sigsuspend()

Wait for a signal 

sigwait()

Accept a signal 

pthread_kill()

Send a signal to a given thread 

alarm()

Schedule delivery of an alarm signal 

pause()

Suspend process execution 

sleep()

Delay process execution 

sigqueue()

Queue a signal to a process 

sigwaitinfo()

Accept a signal and get info 

sigtimedwait()

Accept a signal, wait for bounded time 

pthread_attr_init()

Initialize a thread attribute object 

pthread_attr_destroy()

Destroy a thread attribute object 

pthread_attr_setstacksize()

Set the stacksize attribute

pthread_attr_getstacksize()

Get the stacksize attribute

pthread_attr_setstackaddr()

Set the stackaddr attribute

pthread_attr_getstackaddr()

Get the stackaddr attribute

pthread_attr_setdetachstate()

Set the detachstate attribute

pthread_attr_getdetachstate()

Get the detachstate attribute

pthread_attr_setscope()

Set the contention scope attribute 

pthread_attr_getscope()

Get the contention scope attribute 

pthread_attr_setinheritsched()

Set the scheduling inheritance attribute 

pthread_attr_getinheritsched()

Get the scheduling inheritance attribute 

pthread_attr_setschedpolicy()

Set the scheduling policy attribute 

pthread_attr_getschedpolicy()

Get the scheduling policy attribute 

pthread_attr_setschedparam()

Set the scheduling parameter attribute 

pthread_attr_getschedparam()

Get the scheduling parameter attribute 

pthread_cancel()

Cancel execution of a thread 

pthread_cleanup_pop()

Pop a thread cancellation clean-up handler 

pthread_cleanup_push()

Push a thread cancellation clean-up handler 

pthread_cond_init()

Initialize a condition variable 

pthread_cond_destroy()

Destroy a condition variable 

pthread_cond_signal()

Signal a condition variable 

pthread_cond_broadcast()

Broadcast a condition variable 

pthread_cond_wait()

Wait on a condition variable 

pthread_cond_timedwait()

Wait with timeout on a condition variable 

pthread_condattr_init()

Initialize a condition variable attribute object 

pthread_condattr_destroy()

Destroy a condition variable attribute object 

pthread_create()

Create a thread 

pthread_equal()

Compare thread identifiers 

pthread_exit()

Terminate the calling thread 

pthread_join()

Wait for thread termination 

pthread_key_create()

Create a thread-specific data key 

pthread_key_delete()

Delete a thread-specific data key 

pthread_kill()

Send a signal to a thread 

pthread_mutex_init()

Initialize a mutex 

pthread_mutex_destroy()

Delete a mutex 

pthread_mutex_lock()

Lock a mutex 

pthread_mutex_trylock()

Attempt to lock a mutex without waiting 

pthread_mutex_unlock()

Unlock a mutex 

pthread_mutexattr_init()

Initialize a mutex attribute object 

pthread_mutexattr_destroy()

Destroy a mutex attribute object 

pthread_once()

Initialize a library dynamically 

pthread_self()

Get the identifier of the calling thread 

pthread_setcancelstate()

Enable or disable cancellation 

pthread_setschedparam()

Set the current scheduling policy and parameters of a thread 

pthread_getschedparam()

Get the current scheduling policy and parameters of a thread 

pthread_setspecific()

Associate a thread-specific value with a key 

pthread_testcancel()

Create cancellation point in the caller 

pthread_getspecific()

Retrieve the thread-specific value associated with a key 

pthread_yield, sched_yield()

Yield the processor to another thread 

sched_get_priority_max()

Get maximum priority for policy 

sched_get_priority_min()

Get minimum priority for policy 

sched_rr_get_interval()

Get time quantum for SCHED_RR policy

sysconf()

Get configurable system variables 

clock_settime()

Set clock to a specified value 

clock_gettime()

Get value of clock 

clock_getres()

Get resolution of clock 

nanosleep()

Delay the current thread with high resolution 

timer_create()

Create a timer 

timer_delete()

Delete a timer 

timer_settime()

Set and arm or disarm a timer 

timer_gettime()

Get remaining interval for an active timer 

timer_getoverrun()

Get current overrun count for a timer 

fpathconf()

Return value of configurable limit (same as for regular files) 

mq_close()

Close a message queue 

mq_getattr()

Retrieve message queue attributes 

mq_open()

Open a message queue 

mq_receive()

Receive a message from a message queue 

mq_send()

Send a message to a message queue 

mq_setattr()

Set message queue attributes 

mq_unlink()

Unlink a message queue 

sem_open()

Open/initialize a semaphore 

sem_close()

Close a semaphore 

sem_init()

Initialize a semaphore 

sem_destroy()

Delete a semaphore 

sem_wait()

Wait on a semaphore 

sem_trywait()

Attempt to lock a semaphore 

sem_post()

Signal a semaphore 

sem_getvalue()

Get semaphore counter value 

sem_unlink()

Remove a named semaphore 

close()

Close a file descriptor 

dup()

Duplicate an open file descriptor 

dup2()

Duplicate an open file descriptor 

fchmod()

Change mode of file 

fchown()

Change owner and group of a file 

fcntl()

File control 

fpathconf()

Get configurable pathname variables 

fstat()

Get file status 

ftruncate()

Set size of a shared memory object 

mmap()

Map actor addresses to memory object. 

munmap()

Unmap previously mapped addresses 

shm_open()

Open a shared memory object 

shm_unlink()

Unlink a shared memory object 

accept()

Accept a connection on a socket 

bind()

Bind a name to a socket 

close()

Close a file descriptor 

connect()

Initiate a connection on a socket 

dup()

Duplicate an open file descriptor 

dup2()

Duplicate an open file descriptor 

fcntl()

File control 

getpeername()

Get name of connected peer 

getsockname()

Get socket name 

setsockopt()

Set options on sockets 

getsockopt()

Get options on sockets 

ioctl()

Device control 

listen()

Listen for connections on a socket 

read()

Read from a socket 

recv()

Receive a message from a socket 

recvfrom()

Receive a message from a socket 

recvmsg()

Receive a message from a socket 

select()

Synchronous I/O multiplexing 

send()

Send a message from a socket 

sendto()

Send a message from a socket. 

sendmsg()

Send a message from a socket 

shutdown()

Shut down part of a full-duplex connection 

socket()

Create an endpoint for communication 

socketpair()

Create a pair of connected sockets 

write()

Write on a socket