Changeset 5312:27ec111dc8c5 in roaraudio for include

Timestamp:

11/30/11 01:05:41 (12 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added support for seperate contextes for roardl/plugins. Currently incudes error state and a global per handle data segment. This does not work for statically linked librarys (yet). support for per-context notify core needs to be added/completed.

Location:

include/libroar

Files:

• error.h (modified) (1 diff)
• roardl.h (modified) (3 diffs)

include/libroar/error.h

@@ -113 +113 @@
 void   roar_err_to_errno(void);
 
+// Resets the stored state to 'no error' state. This can be used
+// to init the state.
+int    roar_err_initstore(struct roar_error_state * state);
+
 // store a error state (both libroar and system)
 // returnes the error or ROAR_ERROR_NONE on success so it does not alter gloabl error state.

include/libroar/roardl.h

@@ -148 +148 @@
  int    (*func[ROAR_DL_FN_MAX])(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib);
  struct roar_dl_libraryname * libname;
+ size_t  global_data_len;
+ void *  global_data_init;
+ void ** global_data_pointer;
 };
 
+// parameter functions:
 struct roar_dl_librarypara * roar_dl_para_new(const char * args, void * binargv,
                                               const char * appname, const char * abiversion);
@@ -157 +161 @@
                                          const char * appname, const char * abiversion);
 
+// 'core' dynamic loader functions.
 struct roar_dl_lhandle * roar_dl_open   (const char * filename, int flags,
                                          int ra_init, struct roar_dl_librarypara * para);
@@ -169 +174 @@
 const char *             roar_dl_errstr (struct roar_dl_lhandle * lhandle);
 
+// getting meta data:
 struct roar_dl_librarypara       * roar_dl_getpara(struct roar_dl_lhandle * lhandle);
 const struct roar_dl_libraryname * roar_dl_getlibname(struct roar_dl_lhandle * lhandle);
+
+// context switching:
+// _restore() is to switch from main to library context. _store() is to store library context
+// and switch back to main context.
+int                      roar_dl_context_restore(struct roar_dl_lhandle * lhandle);
+int                      roar_dl_context_store(struct roar_dl_lhandle * lhandle);
 
 #endif