*inf_status, int regno,
LONGEST val);
+/* The -1 ptid, often used to indicate either an error condition
+ or a "don't care" condition, i.e, "run all threads." */
+extern ptid_t minus_one_ptid;
+
+/* The null or zero ptid, often used to indicate no process. */
+extern ptid_t null_ptid;
+
+/* Attempt to find and return an existing ptid with the given PID, LWP,
+ and TID components. If none exists, create a new one and return
+ that. */
+ptid_t ptid_build (int pid, long lwp, long tid);
+
+/* Find/Create a ptid from just a pid. */
+ptid_t pid_to_ptid (int pid);
+
+/* Fetch the pid (process id) component from a ptid. */
+int ptid_get_pid (ptid_t ptid);
+
+/* Fetch the lwp (lightweight process) component from a ptid. */
+long ptid_get_lwp (ptid_t ptid);
+
+/* Fetch the tid (thread id) component from a ptid. */
+long ptid_get_tid (ptid_t ptid);
+
+/* Compare two ptids to see if they are equal */
+extern int ptid_equal (ptid_t p1, ptid_t p2);
+
+/* Save value of inferior_ptid so that it may be restored by
+ a later call to do_cleanups(). Returns the struct cleanup
+ pointer needed for later doing the cleanup. */
+extern struct cleanup * save_inferior_ptid (void);
+
extern void set_sigint_trap (void);
extern void clear_sigint_trap (void);
extern char *inferior_io_terminal;
-/* Pid of our debugged inferior, or 0 if no inferior now. */
+/* Collected pid, tid, etc. of the debugged inferior. When there's
+ no inferior, PIDGET (inferior_ptid) will be 0. */
-extern int inferior_pid;
+extern ptid_t inferior_ptid;
/* Is the inferior running right now, as a result of a 'run&',
'continue&' etc command? This is used in asycn gdb to determine
redisplay the prompt until the execution is actually over. */
extern int sync_execution;
-/* This is only valid when inferior_pid is non-zero.
+/* This is only valid when inferior_ptid is non-zero.
If this is 0, then exec events should be noticed and responded to
by the debugger (i.e., be reported to the user).
extern CORE_ADDR read_pc (void);
-extern CORE_ADDR read_pc_pid (int);
+extern CORE_ADDR read_pc_pid (ptid_t);
-extern CORE_ADDR generic_target_read_pc (int);
+extern CORE_ADDR generic_target_read_pc (ptid_t);
extern void write_pc (CORE_ADDR);
-extern void write_pc_pid (CORE_ADDR, int);
+extern void write_pc_pid (CORE_ADDR, ptid_t);
-extern void generic_target_write_pc (CORE_ADDR, int);
+extern void generic_target_write_pc (CORE_ADDR, ptid_t);
extern CORE_ADDR read_sp (void);
extern void detach (int);
/* PTRACE method of waiting for inferior process. */
-int ptrace_wait (int, int *);
+int ptrace_wait (ptid_t, int *);
-extern void child_resume (int, int, enum target_signal);
+extern void child_resume (ptid_t, int, enum target_signal);
#ifndef PTRACE_ARG3_TYPE
#define PTRACE_ARG3_TYPE int /* Correct definition for most systems. */
extern int proc_iterate_over_mappings (int (*)(int, CORE_ADDR));
-extern int procfs_first_available (void);
+extern ptid_t procfs_first_available (void);
/* From fork-child.c */
extern void startup_inferior (int);
+extern char *construct_inferior_arguments (struct gdbarch *, int, char **);
+
/* From inflow.c */
extern void new_tty_prefork (char *);
extern int signal_pass_update (int, int);
+extern void get_last_target_status(ptid_t *ptid,
+ struct target_waitstatus *status);
+
/* From infcmd.c */
extern void tty_command (char *, int);
extern void attach_command (char *, int);
-extern char *get_inferior_arg (void);
+extern char *get_inferior_args (void);
+
+extern char *set_inferior_args (char *);
-extern char *set_inferior_arg (char *);
+extern void set_inferior_args_vector (int, char **);
/* Last signal that the inferior received (why it stopped). */
extern char *stop_registers;
-/* Nonzero if the child process in inferior_pid was attached rather
+/* Nonzero if the child process in inferior_ptid was attached rather
than forked. */
extern int attach_flag;