Shared Library Management Routines

The shl_load Shared Library Management Routines

dend

The end address (unsigned long) of

 

the shared library bss segment. The

 

data and bss segments together form

 

a contiguous memory block starting

 

at dstart and ending at dend.

handle

The shared library's handle (type

 

shl_t).

filename

A character array containing the

 

library's path name as specified at

 

link time or at explicit load time.

initializer

A pointer to the shared library's

 

initializer routine (see “Initializers

 

for Shared Libraries”. It is NULL if

 

there is no initializer. This field is

 

useful for calling the initializer if it

 

was disabled by the BIND_NOSTART

 

flag to shl_load.

 

If the shared library has multiple

 

initializers, this field will also be set

 

to NULL. Multiple initializers can be

 

found with shl_getsymbols,

 

described later in this chapter.

This buffer is statically allocated. Therefore, if a program intends to use any of the members of the structure, the program should make a copy of the structure before the next call to shl_get. Otherwise, shl_get will overwrite the static buffer when called again.

Return Value

If successful, shl_get returns an integer value 0. If the index value exceeds the number of currently loaded libraries, shl_get returns −1 and sets errno to EINVAL.

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Kenwood HP 9000 manual Return Value, 228

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