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Unison Help

  1. Unison Kernel
    1. Pthreads
      1. pthread_create()
      2. pthread_exit()
      3. pthread_self()
      4. pthread_equal()
      5. pthread_join()
      6. pthread_detach()
      7. pthread_setschedparam()
      8. pthread_getschedparam()
      9. pthread_attr_init()
      10. pthread_attr_destroy()
      11. pthread_attr_setstackaddr()
      12. pthread_attr_getstackaddr()
      13. pthread_attr_setstacksize()
      14. pthread_attr_getstacksize()
      15. pthread_attr_setschedparam()
      16. pthread_attr_getschedparam()
      17. pthread_attr_setdetachstate()
      18. pthread_attr_getdetachstate()
      19. pthread_stackinfo()
      20. pthread_setprio()
      21. pthread_getprio()
      22. sched_get_priority_max()
      23. sched_get_priority_min()
      24. sched_yield()
    2. Pthread Cancellation
      1. pthread_cleanup_pop()
      2. pthread_cleanup_push()
      3. pthread_cancel()
      4. pthread_setcanceltype()
      5. pthread_setcancelstate()
      6. pthread_testcancel()
    3. Mutex
      1. pthread_mutex_init()
      2. pthread_mutex_destroy()
      3. pthread_mutex_lock()
      4. pthread_mutex_trylock()
      5. pthread_mutex_unlock()
    4. Semaphores
      1. sem_open()
      2. sem_close()
      3. sem_unlink()
      4. sem_init()
      5. sem_destroy()
      6. sem_wait()
      7. sem_trywait()
      8. sem_timedwait()
      9. sem_post()
      10. sem_getvalue()
    5. Message Queues
      1. mq_open()
      2. mq_close()
      3. mq_unlink()
      4. mq_send()
      5. mq_receive()
      6. mq_notify()
      7. mq_setattr()
      8. mq_getattr()
      9. mq_timedreceive()
      10. mq_timedsend()
    6. Conditional Variables
      1. pthread_cond_init()
      2. pthread_cond_destroy()
      3. pthread_cond_wait()
      4. pthread_cond_timedwait()
      5. pthread_cond_signal()
      6. pthread_cond_broadcast()
      7. pthread_condattr_init()
      8. pthread_condattr_destroy()
    7. Barriers
      1. pthread_barrier_init()
      2. pthread_barrier_destroy()
      3. pthread_barrier_wait()
    8. Timers
      1. timer_create()
      2. timer_delete()
      3. timer_settime()
      4. timer_gettime()
      5. timer_getoverrun()
      6. timer_tick()
      7. nanosleep()
    9. Clocks
      1. time()
      2. uptime()
      3. sleep()
      4. clock_settime()
      5. clock_gettime()
      6. clock_getres()
      7. clock_init()
    10. Memory Allocation
      1. POSIX.1
        1. malloc()
        2. free()
      2. Variable Length (Pools)
        1. pool_create()
        2. pool_destroy()
        3. pool_alloc()
        4. pool_free()
      3. Fixed Length (Partitions)
        1. pt_create()
        2. pt_destroy()
        3. pt_getblock()
        4. pt_freeblock()
    11. Rendezvous
      1. mr_init()
      2. mr_send()
      3. mr_receive()
      4. mr_reply()
      5. mr_sigrecv()
      6. mr_sigpost()
    12. Interrupts
      1. interrupts
      2. i_disable()
      3. i_restore()
    13. Directory Services
      1. dir_register()
      2. dir_deregister()
      3. dir_lookup()
      4. dir_lookup_string()
    14. Miscellaneous
      1. checkIstack()
      2. NanoStart() or DSPexec_Start()
      3. _isrStackFill
      4. Kernel Scaling
      5. kfatal()
      6. kalloc()
      7. kfree()
      8. mpu or mmu
      9. pthreadStackFill
      10. thread_numb()
      11. thread_utilization_start()
      12. thread_utilization_stop()
      13. xprintf()
      14. xputs()
      15. xputchar()
  2. Unison I/O Library
    1. accept()
    2. bind()
    3. chmod()
    4. close()
    5. connect()
    6. creat()
    7. fstat()
    8. getpeername()
    9. getsockname()
    10. getsockopt()
    11. ioctl()
    12. link()
    13. listen()
    14. lseek()
    15. mkdir()
    16. mkfs()
    17. mount()
    18. open()
    19. read()
    20. recv()
    21. recvfrom()
    22. rename()
    23. renameat()
    24. rmdir()
    25. select()
    26. send()
    27. sendto()
    28. setsockopt()
    29. shutdown()
    30. socket()
    31. stat()
    32. sync()
    33. umount()
    34. unlink()
    35. write()
  3. Unison STDIO Library
    1. STDIO Library Calls
      1. clearerr()
      2. dprintf()
      3. fclose()
      4. fdopen()
      5. feof()
      6. ferror()
      7. fileno()
      8. fflush()
      9. fgetc()
      10. fgetpos()
      11. fgets()
      12. fopen()
      13. fprintf()
      14. fputc()
      15. fputs()
      16. fread()
      17. freopen()
      18. fscanf()
      19. fseek()
      20. fseeko()
      21. fsetpos()
      22. ftell()
      23. ftello()
      24. fwrite()
      25. getc()
      26. getc_unlocked()
      27. getchar()
      28. getchar_unlocked()
      29. getdelim()
      30. getline()
      31. gets()
      32. get_stderr_ptr()
      33. get_stdin_ptr()
      34. get_stdout_ptr()
      35. noperprintf()
      36. perprintf()
      37. perror()
      38. posix_compat()
      39. printf()
      40. putc()
      41. putc_unlocked()
      42. putchar()
      43. putchar_unlocked()
      44. puts()
      45. remove()
      46. rewind()
      47. scanf()
      48. setbuf()
      49. setvbuf()
      50. snprintf()
      51. sprintf()
      52. sscanf()
      53. stderr_init()
      54. stderr_close()
      55. stdin_init()
      56. stdin_close()
      57. stdout_init()
      58. stdout_close()
      59. vdprintf()
      60. vscanf()
      61. vsscanf()
      62. vfscanf()
      63. vprintf()
      64. vsnprintf()
      65. vsprintf()
      66. vfprintf()
      67. ungetc()
    2. Do-nothing Stubs
      1. ctermid()
      2. flockfile()
      3. fmemopen()
      4. ftrylockfile()
      5. open_memstream()
      6. pclose()
      7. popen()
      8. tempnam()
      9. tmpfile()
      10. tmpnam()
  4. Unison LIBC Library
    1. LIBC Library Calls
      1. assert()
      2. realloc()
      3. strcasecmp()
      4. strdup()
      5. strncasecmp()
      6. strftime()
    2. Do-nothing Stubs
      1. abort()
      2. execve()
      3. exit()
      4. _Exit()
      5. fork()
      6. getpid()
      7. isatty()
      8. kill()
      9. sbrk()
      10. times()
      11. wait()
    3. Do-nothing Wide-character Stubs
      1. <wchar.h>
      2. <wctype.h>
  5. Unison I/O Servers
    1. File Servers
      1. Multimedia File Server - fsys
      2. FAT File System - fatfs
      3. NAND File Server - nandfsys
      4. NOR File Server - norfsys
      5. Network File Server - nfs
  6. Graphics, Camera, Video, Audio
    1. Vendor Graphics
    2. Prism++ Graphics
    3. ADPCM Services - adpcmd
    4. Camera
  7. Network Protocols
    1. TCP and UDP Server - tcpd
      1. IPv4 only server
      2. IPv4/IPv6 server
    2. DHCP Client Service - dhcp client
    3. DHCP Server - dhcpd
    4. Telnet Server - telnetd
    5. Tiny FTP Server - tftpd
    6. Point to Point - pppd
    7. Network Translation - NAT with PAT
    8. Firewall
      1. Packet filter: pf
      2. Packet filter control: pfctl
      3. Fitler rules: pf.filtering
      4. Translation rules: pf.nat
    9. Tiny HTTP Server - thttpd
    10. Tiny HTTP Server with TLS
    11. POP3 Server
    12. Simple Mail Transfer Protocol Services (SMTP)
    13. Bootp Protocol
    14. File Transfer Protocol Server (FTP)
    15. File Transfer Client Services
    16. RPC / XDR
    17. DNS Client
    18. HTTP/HTTPS Client
    19. REST Client
    20. AutoIP Service - autoip client
    21. mDNS server - mdnsd
    22. SNTP Client
    23. SNMP Agent - Snmpd server
    24. SSL/TLS library
    25. SSH server
    26. IP security
      1. IPsec description
      2. IPsec administration: ipsecadm
      3. Virtual Private Network: VPN
    27. Power Control
      1. Motor and Motion Control Servers
      2. PWM, Encoders
    28. Serial I/O
      1. Asynchronous Serial I/O Server - ttyserver
      2. CAN Server - cand
      3. I2C Server - i2cd
      4. I2S Server - i2sd
    29. System Services
      1. Power Management Servers
      2. Login Service - login_services
      3. XML
      4. POSIX Shell and Login Service - posh
    30. Universal Serial Bus (USB)
      1. USB Server
      2. USB Device Server
      3. USB Embedded Host Server
    31. Wireless
      1. Wireless Servers and Drivers
      2. 802.15.4 Radio Servers
      3. TCP/v6 with 6loWPAN
      4. ZigBee
      5. BlueTooth Server
      6. 802.11 Wi-Fi
      7. GPRS, UHF and GPS Radio Servers
    32. Remedy Tools for Unison
      1. Remedy Data Logging and Event Display Tools
      2. Remedy Diagnostics
      3. Remedy Flash Downloader/Bootloader
      4. Remedy Power On Self Test - POST
      5. Remedy OS Object Viewer
      6. Remedy Remote Control Tools

2.29.shutdown() #

NAME

shutdown – shut down part of a full-duplex connection

SYNOPSIS

#include <sys/socket.h>

int shutdown( int s , int how );

DESCRIPTION

The shutdown() call shuts down all or part of a full-duplex connection on the socket associated with s. If how is 0, then further receives will be disallowed. If how is 1, then further sends will be disallowed. If how is 2, then further sends and receives will be disallowed.

RETURN VALUES

A 0 is returned if the call succeeds, -1 if it fails.

ERRORS

This function is a member of Unison’s IOLIB family of functions. IOLIB is implemented as a message passing and generalized interface layer. Each Unison I/O server is responsible for its own error reporting.

For an exact list of error codes returned by a particular server, refer to that server’s documentation in the Unison Programmer’s Guide for each specific platform.

Servers may implement these errors codes in response to this function.

The call succeeds unless:

EBADF
s is not a valid file descriptor.
ENOMEM
There was insufficient user memory available for the operation to complete.
ENOTCONN
The specified socket is not connected.
ENOTSOCK
s is not a socket.

SEE ALSO

connect(), socket(), send(), select(), recv(), read(), write(), getsockopt()

« setsockopt()socket() »
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