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MPE/iX Developer's Kit Reference Manual Volume I: HP 3000 MPE/iX Computer Systems
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HP Part Number: 36430-90007

Second Edition

Printed in the U.S.A. 1994

Table of Contents

Preface
1 Introduction
What Is the POSIX/iX Library?
The POSIX Standards
How to Use This Manual
Using the HP C/iX Library Reference Manual
Using the MPE/iX Developer's Kit Reference Manual, Volume 2
Using the MPE/iX Shell and Utilities Reference Manual
Using The POSIX.1 Standard - A Programmer's Guide
Understanding MPE/iX
Summary of POSIX/iX Library Functions
2 Using the POSIX/iX Library
Organization of the POSIX/iX Library
The POSIX/iX library
The POSIX/iX math library
The common usage math library
Specifying the _POSIX_SOURCE Feature Test Macro
Input/Output Considerations
Streams
File descriptors
Extended Behavior of ANSI C Library Functions
Developing Applications Using the MPE/iX Shell and Utilities
3  MPE/iX Library Implementation Considerations
Naming File System Objects
Files
POSIX File Types
Creating and Opening Files
Input/Output Considerations
Additional Implementation Considerations
Directories
MPE/iX Directories
MPE/iX Directory Features
Additional Implementation Considerations
Access Control
MPE/iX Access Control Definitions
Mapping Between POSIX.1 and ACD Access Permissions
Mapping Between POSIX.1 and ACD File User Classes
If the ACD Has Been Modified or Removed
Summary of fstat() and stat() Behavior
Summary of chmod() Behavior
Determining a Process's Access to a File or Directory
Returning Information about Access Permissions
MPE/iX Save Files (SF) Capability
MPE/iX Lockwords
Signals
Supported Signal Functions
Signal Descriptions
Additional Implementation Considerations
Process Management
Creating a New Process
Process Termination
Additional Implementation Considerations
4  POSIX/iX Library Function Descriptions
access
Syntax
Parameters
Description
Implementation Considerations
Errors
See Also
alarm
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
chdir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
hmod
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
chown
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
close
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
closedir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
confstr
Syntax
Parameters
Return Values
Description
Errors
See Also
creat
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also.
ctermid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
dup, dup2
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
execl
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
execle
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
execlp
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
execve
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
execvp
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
execv
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
_exit
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
fcntl
Syntax
Parameters
Return Values
Description
Description
Implementation Considerations
Errors
See Also
fnmatch
Syntax
Parameters
Return Values
Description
Errors
See Also
fork
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
fpathconf
Syntax
Parameters
Return Values
Errors
See Also
fstat
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getcwd
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getegid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getenv
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
geteuid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getgid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getgrgid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getgrnam
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getgroups
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getlogin
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getopt
Syntax
Parameters
Return Values
Description
Example
Errors
Implementation Considerations
See Also
getpid
Syntax
Parameters
Return Values
Implementation Considerations
See Also
getpwuid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getpgrp
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getpid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getppid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getpwnam
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getpwuid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
getuid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
glob
Syntax
Parameters
Description
Return Values
Errors
See Also
globfree
Syntax
Parameters
Description
Errors
See Also
ioctl-mag_tape
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
ioctl-sockets
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
ioctl-streams
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
isatty
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
kill
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
lseek
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
mkdir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
mkfifo
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
mknod
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
open
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
opendir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
pause
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
pathconf
Syntax
Parameters
Description
Errors
See Also
pclose
Syntax
Parameters
Description
Errors
See Also
pipe
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
popen
Syntax
Parameters
Description
Errors
See Also
read
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
readdir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
readlink
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
regcomp
Syntax
Parameters
Return Values
Description
Errors
See Also
regerror
Syntax
Parameters
Description
Erorrs
See Also
regexec
Sytnax
Parameters
Return Values
Description
Errors
See Also
regfree
Syntax
Parameters
Description
See Also
rename
Syntax
Parameters
Return Values
Description
Errors
See Also
rewinddir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
rmdir
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
setuid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigaction
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigaddset
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigdelset
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigemptyset
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigfillset
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigismember
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
siglongjmp
Syntax
Parameters
Return Values
Description
See Also
sigpending
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigprocmask
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sigsetjmp
Syntax
Parameters
Description
Return Values
See Also
sigsuspend
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sleep
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
stat
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
symlink
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
sysconf
Parameters
Return Values
Description
Errors
See Also
system
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
time
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
times
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
ttyname
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
umask
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
uname
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
unlink
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
utime
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
wait
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
waitpid
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
wordexp
Syntax
Parameters
Return Values
Description
Expanded Constructs
Errors
See Also
wordfree
Syntax
Parameters
Description
See Also
write
Syntax
Parameters
Return Values
Description
Implementation Considerations
Errors
See Also
5 POSIX/iX Header Descriptions
Index

List of Tables

1-1 Summary of POSIX/iX Library Functions
3-1 MPE/iX Implementations of POSIX File Types
3-2 Mapping between POSIX.1 and ACD File Access Permissions
3-3 Mapping between POSIX.1 and ACD Directory Access Permissions
3-4 Mapping between POSIX.1 and ACD User Classes
3-5 Example of POSIX file security and underlying ACD
3-6 POSIX/iX Signals
4-1 flock Structure
5-1 POSIX/iX Library Headers
   


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