/* Program and address space management, for GDB, the GNU debugger.
- Copyright (C) 2009-2014 Free Software Foundation, Inc.
+ Copyright (C) 2009-2015 Free Software Foundation, Inc.
This file is part of GDB.
/* Returns true iff there's no inferior bound to PSPACE. */
-static int
-pspace_empty_p (struct program_space *pspace)
+int
+program_space_empty_p (struct program_space *pspace)
{
if (find_inferior_for_program_space (pspace) != NULL)
return 0;
return 1;
}
-/* Prune away automatically added program spaces that aren't required
- anymore. */
+/* Remove a program space from the program spaces list and release it. It is
+ an error to call this function while PSPACE is the current program space. */
void
-prune_program_spaces (void)
+delete_program_space (struct program_space *pspace)
{
struct program_space *ss, **ss_link;
- struct program_space *current = current_program_space;
+ gdb_assert (pspace != NULL);
+ gdb_assert (pspace != current_program_space);
ss = program_spaces;
ss_link = &program_spaces;
- while (ss)
+ while (ss != NULL)
{
- if (ss == current || !pspace_empty_p (ss))
+ if (ss == pspace)
{
- ss_link = &ss->next;
- ss = *ss_link;
- continue;
+ *ss_link = ss->next;
+ break;
}
- *ss_link = ss->next;
- release_program_space (ss);
+ ss_link = &ss->next;
ss = *ss_link;
}
+
+ release_program_space (pspace);
}
/* Prints the list of program spaces and their details on UIOUT. If
int count = 0;
struct cleanup *old_chain;
- /* Might as well prune away unneeded ones, so the user doesn't even
- seem them. */
- prune_program_spaces ();
-
/* Compute number of pspaces we will print. */
ALL_PSPACES (pspace)
{
return old_chain;
}
-/* Switches full context to program space PSPACE. Switches to the
- first thread found bound to PSPACE. */
+/* See progspace.h */
void
switch_to_program_space_and_thread (struct program_space *pspace)
struct inferior *inf;
inf = find_inferior_for_program_space (pspace);
- if (inf != NULL)
+ if (inf != NULL && inf->pid != 0)
{
struct thread_info *tp;