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UNISON Help

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

1.11.4.mr_reply() #

NAME

mr_reply – reply to a thread

SYNOPSIS

#include <mrendez.h>

pthread_t mr_reply( void *response , pthread_t pthread_id );

DESCRIPTION

The mr_reply() primitive is used to unblock the thread, specified by pthread_id, from which a message has been received with mr_receive() but not yet replied to. Data may be transmitted to that thread via the response argument. It is copied into the senders response area.

NOTES

The mr_reply() primitive is non-blocking.

The first two bytes (16 bits) found in the response argument are taken to be the size, in bytes, of the entire message pointed to by response. The lesser of this size and the size obtained from the sender’s response argument represents the number of bytes actually copied by the system.

RETURN VALUES

The return value is the pthread_id of the thread being replied to, or 0 on error.

ERRORS

EBADID
The pthread_id specified to be replied to does not represent any thread which is reply blocked on the caller.

SEE ALSO

mr_receive(), mr_send()

« mr_receive()mr_sigrecv() »
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