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/**
* D header file for DragonFlyBSD
*
* Copyright: Copyright Martin Nowak 2012.
* License: $(WEB www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
* Authors: Martin Nowak,Diederik de Groot(port:DragonFlyBSD)
* Copied: From core/sys/freebsd/sys
*/
module core.sys.dragonflybsd.dlfcn;
version (DragonFlyBSD):
public import core.sys.posix.dlfcn;
extern (C) nothrow @nogc @system:
/*
* Request arguments for dlinfo().
*/
enum RTLD_DI_LINKMAP = 2; /* Obtain link map. */
enum RTLD_DI_SERINFO = 4; /* Obtain search path info. */
enum RTLD_DI_SERINFOSIZE = 5; /* ... query for required space. */
enum RTLD_DI_ORIGIN = 6; /* Obtain object origin */
enum RTLD_DI_MAX = RTLD_DI_ORIGIN;
/*
* Special handle arguments for dlsym()/dlinfo().
*/
enum RTLD_NEXT = cast(void *)-1; /* Search subsequent objects. */
enum RTLD_DEFAULT = cast(void *)-2; /* Use default search algorithm. */
enum RTLD_SELF = cast(void *)-3; /* Search the caller itself. */
/*
* Structures, returned by the RTLD_DI_SERINFO dlinfo() request.
*/
struct Dl_serpath {
char * dls_name; /* single search path entry */
uint dls_flags; /* path information */
}
struct Dl_serinfo {
size_t dls_size; /* total buffer size */
uint dls_cnt; /* number of path entries */
Dl_serpath[1] dls_serpath; /* there may be more than one */
}
/*-
* The actual type declared by this typedef is immaterial, provided that
* it is a function pointer. Its purpose is to provide a return type for
* dlfunc() which can be cast to a function pointer type without depending
* on behavior undefined by the C standard, which might trigger a compiler
* diagnostic. We intentionally declare a unique type signature to force
* a diagnostic should the application not cast the return value of dlfunc()
* appropriately.
*/
struct __dlfunc_arg {
int __dlfunc_dummy;
}
alias dlfunc_t = void function(__dlfunc_arg);
/* XSI functions first. */
extern(C) {
static assert(is(typeof(&dlclose) == int function(void*)));
static assert(is(typeof(&dlerror) == char* function()));
static assert(is(typeof(&dlopen) == void* function(const scope char*, int)));
static assert(is(typeof(&dlsym) == void* function(void*, const scope char*)));
}
void* fdlopen(int, int);
dlfunc_t dlfunc(void*, const(char)*);
int dlinfo(void*, int, void*);
/*void dllockinit(void* _context,
void* function(void* _context) _lock_create,
void function(void* _lock) _rlock_acquire,
void function(void* _lock) _wlock_acquire,
void function(void* _lock) _lock_release,
void function(void* _lock) _lock_destroy,
void function(void* _context) _context_destroy);*/
void* dlvsym(void*, const(char)*, const(char)*);
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