AT&T UNIX™PC Unix System V Users Manual - tenox
AT&T UNIX™PC Unix System V Users Manual - tenox AT&T UNIX™PC Unix System V Users Manual - tenox
FORK(2) FORK(2) The system-imposed limit on the total number of processes under execution by a single user would be exceeded. [EAGAINJ RETURN VALUE Upon successful completion, fork returns a value of 0 to the child process and returns the process ID of the child process to the parent process. Otherwise, a value of -1 is returned to the parent process, no child process is created, and errno is set to indicate the error. SEE ALSO exec(2), times(2), wait(2). - 2-
GETPID ( 2} GETPID (2) NAME getpid, getpgrp, getppid - get process, process group, and parent process IDs SYNOPSIS int getpid ( ) int getpgrp ( ) int getppid ( ) DESCRIPTION Getpid returns the process ID of the calling process. Getpgrp returns the process group ID of the calling process. Getppid returns the parent process ID of the calling process. SEE ALSO exec(2), fork(2), intro(2), setpgrp(2), signal(2). - 1 -
- Page 639: WRITE ( l ) WRITE ( l ) NAME write
- Page 642 and 643: XARGS(l) XARGS (l) -nnumber Execute
- Page 645 and 646: YACC { I ) YACC { l ) NAME yacc - y
- Page 647 and 648: INTRO ( 2) INTR0 ( 2 ) NAME intro -
- Page 649 and 650: INTRO ( 2) INTR0 (2) 21 EISDffi Is
- Page 651 and 652: INTRO (2) INTRO ( 2) ProcO is the s
- Page 653 and 654: INTR0 (2) INTR0 (2) permission requ
- Page 655 and 656: INTR0 (2) time_t shm_dtime; time_t
- Page 657: ACCESS (2} ACCESS (2} NAME access -
- Page 661 and 662: ALARM (2) ALARM (2) NAME alarm - se
- Page 663: BRK(2) BRK ( 2 ) NAME brk, sbrk - c
- Page 667 and 668: CHMOD (2) CHMOD (2) NAME chmod - ch
- Page 669: CHOWN(2) CHOWN(2) NAME chown - chan
- Page 673 and 674: CLOSE ( 2) CLOSE (2) NAME close - c
- Page 675 and 676: CREAT ( 2 ) CREAT ( 2 ) NAME creat
- Page 677 and 678: DUP (2) DUP (2) NAME dup - duplicat
- Page 679 and 680: EXEC (2) EXEC (2) NAME execl, execv
- Page 681: EXEC (2) EXEC (2) Search perm1ss10n
- Page 684 and 685: EXIT (2) EXIT (2) WARNING See WARNI
- Page 686 and 687: FCNTL (2) FCNTL (2) immediately wit
- Page 689: FORK(2) FORK(2) NAME fork - create
- Page 694 and 695: I I I I I I I I I I I I I I I I I I
- Page 696 and 697: �-
- Page 699: LINK ( 2 ) LINK ( 2 ) NAME link - l
- Page 703 and 704: MKNOD (2) MKNOD (2) NAME mknod - ma
- Page 705: MOUNT (2) MOUNT (2) NAME mount - mo
- Page 708 and 709: MSGCTL(2) MSGCTL ( 2 ) user ID of t
- Page 710 and 711: MSGGET (2) MSGGET (2) SEE ALSO msgc
- Page 712 and 713: MSGOP ( 2) MSGOP (2) the calling pr
- Page 714 and 715: If)
- Page 717 and 718: OPEN ( 2 ) OPEN ( 2 ) NAME open - o
- Page 719: OPEN(2) OPEN(2) O_NDELAY is set, th
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- Page 725 and 726: PLOCK(2) PLOCK(2) NAME plock - lock
- Page 727: PROFIL ( 2 ) PROFIL ( 2 ) NAME prof
- Page 730 and 731: PTRACE (2) PTRACE (2) 4, 5 With the
- Page 732 and 733: (� �--- .
- Page 735 and 736: SEMCTL ( 2 ) SEMCTL ( 2 ) NAME semc
- Page 737 and 738: SEMGET (2) SEMGET (2) NAME semget -
- Page 739 and 740: SEMOP ( 2) SEMOP {2) NAME semop - s
FORK(2) FORK(2)<br />
The system-imposed limit on the total number of<br />
processes under execution by a single user would be<br />
exceeded. [EAGAINJ<br />
RETURN VALUE<br />
Upon successful completion, fork returns a value of 0 to the child<br />
process and returns the process ID of the child process to the<br />
parent process. Otherwise, a value of -1 is returned to the parent<br />
process, no child process is created, and errno is set to indicate<br />
the error.<br />
SEE ALSO<br />
exec(2), times(2), wait(2).<br />
- 2-
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