Shared Library Management Routines

The shl_load Shared Library Management Routines

 

Causes the dependent libraries to be loaded breadth

 

first. By default, the 64-bit mode shl_load loads

 

dependent libraries depth-first.

 

These flags are discussed in detail in“shl_load

 

Example”.

address

Specifies the virtual address at which to attach the

 

library. Set this parameter to 0 (zero) to tell the system

 

to choose the best location. This argument is currently

 

ignored; mapping a library at a user-defined address is

 

not currently supported.

Return Value

If successful, shl_load returns a shared library handle of type shl_t. This address can be used in subsequent calls to shl_close, shl_findsym, shl_gethandle, and shl_gethandle_r. Otherwise, shl_load returns a shared library handle of NULL and sets errno to one of these error codes (from <errno.h>):

ENOEXEC

The specified path is not a shared library, or a format

 

error was detected in this or another library.

ENOSYM

A symbol needed by this library or another library

 

which this library depends on could not be found.

ENOMEM

There is insufficient room in the address space to load

 

the shared library.

EINVAL

The requested shared library address was invalid.

ENOENT

The specified path does not exist.

EACCESS

Read or execute permission is denied for the specified

 

path.

Description

A program needs to explicitly load a library only if the library was not linked with the program. This typically occurs only when the library cannot be known at link time — for example, when writing programs that must support future graphics devices.

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Kenwood HP 9000 manual Return Value, Description, Address, Path

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