Improve process exit status macros on MinGW

[deliverable/binutils-gdb.git] / gdb / gdbserver / inferiors.h

diff --git a/gdb/gdbserver/inferiors.h b/gdb/gdbserver/inferiors.h
index 25314d0865aba4083883d31314c77b8b7cdc32f1..4e24b2c7bb214fd5009bcb103a7597491dbe4ed6 100644 (file)
--- a/gdb/gdbserver/inferiors.h
+++ b/gdb/gdbserver/inferiors.h
@@ -1,5 +1,5 @@
 /* Inferior process information for the remote server for GDB.
-   Copyright (C) 1993-2014 Free Software Foundation, Inc.
+   Copyright (C) 1993-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -16,23 +16,14 @@
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifndef INFERIORS_H
-#define INFERIORS_H
+#ifndef GDBSERVER_INFERIORS_H
+#define GDBSERVER_INFERIORS_H
 
-/* Generic information for tracking a list of ``inferiors'' - threads,
-   processes, etc.  */
-struct inferior_list
-{
-  struct inferior_list_entry *head;
-  struct inferior_list_entry *tail;
-};
-struct inferior_list_entry
-{
-  ptid_t id;
-  struct inferior_list_entry *next;
-};
+#include "gdbsupport/gdb_vecs.h"
+#include <list>
 
 struct thread_info;
+struct regcache;
 struct target_desc;
 struct sym_cache;
 struct breakpoint;
@@ -42,7 +33,12 @@ struct process_info_private;
 
 struct process_info
 {
-  struct inferior_list_entry head;
+  process_info (int pid_, int attached_)
+  : pid (pid_), attached (attached_)
+  {}
+
+  /* This process' pid.  */
+  int pid;
 
   /* Nonzero if this child process was attached rather than
      spawned.  */
@@ -50,43 +46,91 @@ struct process_info
 
   /* True if GDB asked us to detach from this process, but we remained
      attached anyway.  */
-  int gdb_detached;
+  int gdb_detached = 0;
 
   /* The symbol cache.  */
-  struct sym_cache *symbol_cache;
+  struct sym_cache *symbol_cache = NULL;
 
   /* The list of memory breakpoints.  */
-  struct breakpoint *breakpoints;
+  struct breakpoint *breakpoints = NULL;
 
   /* The list of raw memory breakpoints.  */
-  struct raw_breakpoint *raw_breakpoints;
+  struct raw_breakpoint *raw_breakpoints = NULL;
 
   /* The list of installed fast tracepoints.  */
-  struct fast_tracepoint_jump *fast_tracepoint_jumps;
+  struct fast_tracepoint_jump *fast_tracepoint_jumps = NULL;
 
-  const struct target_desc *tdesc;
+  /* The list of syscalls to report, or just a single element, ANY_SYSCALL,
+     for unfiltered syscall reporting.  */
+  std::vector<int> syscalls_to_catch;
+
+  const struct target_desc *tdesc = NULL;
 
   /* Private target data.  */
-  struct process_info_private *private;
+  struct process_info_private *priv = NULL;
 };
 
+/* Get the pid of PROC.  */
+
+static inline int
+pid_of (const process_info *proc)
+{
+  return proc->pid;
+}
+
 /* Return a pointer to the process that corresponds to the current
-   thread (current_inferior).  It is an error to call this if there is
+   thread (current_thread).  It is an error to call this if there is
    no current thread selected.  */
 
 struct process_info *current_process (void);
-struct process_info *get_thread_process (struct thread_info *);
+struct process_info *get_thread_process (const struct thread_info *);
+
+extern std::list<process_info *> all_processes;
 
-extern struct inferior_list all_processes;
+/* Invoke FUNC for each process.  */
 
-void add_inferior_to_list (struct inferior_list *list,
-                          struct inferior_list_entry *new_inferior);
-void for_each_inferior (struct inferior_list *list,
-                       void (*action) (struct inferior_list_entry *));
+template <typename Func>
+static void
+for_each_process (Func func)
+{
+  std::list<process_info *>::iterator next, cur = all_processes.begin ();
+
+  while (cur != all_processes.end ())
+    {
+      next = cur;
+      next++;
+      func (*cur);
+      cur = next;
+    }
+}
+
+/* Find the first process for which FUNC returns true.  Return NULL if no
+   process satisfying FUNC is found.  */
+
+template <typename Func>
+static process_info *
+find_process (Func func)
+{
+  std::list<process_info *>::iterator next, cur = all_processes.begin ();
+
+  while (cur != all_processes.end ())
+    {
+      next = cur;
+      next++;
+
+      if (func (*cur))
+        return *cur;
+
+      cur = next;
+    }
 
-extern struct thread_info *current_inferior;
-void remove_inferior (struct inferior_list *list,
-                     struct inferior_list_entry *entry);
+  return NULL;
+}
+
+extern struct thread_info *current_thread;
+
+/* Return the first process in the processes list.  */
+struct process_info *get_first_process (void);
 
 struct process_info *add_process (int pid, int attached);
 void remove_process (struct process_info *process);
@@ -94,21 +138,10 @@ struct process_info *find_process_pid (int pid);
 int have_started_inferiors_p (void);
 int have_attached_inferiors_p (void);
 
-ptid_t thread_id_to_gdb_id (ptid_t);
-ptid_t thread_to_gdb_id (struct thread_info *);
-ptid_t gdb_id_to_thread_id (ptid_t);
-
 void clear_inferiors (void);
-struct inferior_list_entry *find_inferior
-     (struct inferior_list *,
-      int (*func) (struct inferior_list_entry *,
-                  void *),
-      void *arg);
-struct inferior_list_entry *find_inferior_id (struct inferior_list *list,
-                                             ptid_t id);
-void *inferior_target_data (struct thread_info *);
-void set_inferior_target_data (struct thread_info *, void *);
-void *inferior_regcache_data (struct thread_info *);
-void set_inferior_regcache_data (struct thread_info *, void *);
-
-#endif /* INFERIORS_H */
+
+void *thread_target_data (struct thread_info *);
+struct regcache *thread_regcache_data (struct thread_info *);
+void set_thread_regcache_data (struct thread_info *, struct regcache *);
+
+#endif /* GDBSERVER_INFERIORS_H */