* win32-nat.c (safe_symbol_file_add_stub): Properly initialize linked list

[binutils-gdb.git] / gdb / inferior.h

diff --git a/gdb/inferior.h b/gdb/inferior.h
index b41e941a4d716d593494b903ecbae443f3148320..502d3efbcc9d3dc4f0f843fd33b2d1baa0ff1fbd 100644 (file)
--- a/gdb/inferior.h
+++ b/gdb/inferior.h
@@ -51,6 +51,38 @@ extern void write_inferior_status_register (struct inferior_status
                                            *inf_status, int regno,
                                            LONGEST val);
 
                                            *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 void set_sigint_trap (void);
 
 extern void clear_sigint_trap (void);


@@ -63,9 +95,10 @@ extern void clear_sigio_trap (void);
 
 extern char *inferior_io_terminal;
 
 
 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
 
 /* Is the inferior running right now, as a result of a 'run&',
    'continue&' etc command? This is used in asycn gdb to determine


@@ -78,7 +111,7 @@ extern int target_executing;
    redisplay the prompt until the execution is actually over. */
 extern int sync_execution;
 
    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).
 
    If this is 0, then exec events should be noticed and responded to
    by the debugger (i.e., be reported to the user).


@@ -122,15 +155,15 @@ extern int run_stack_dummy (CORE_ADDR, char *);
 
 extern CORE_ADDR read_pc (void);
 
 
 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 (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 CORE_ADDR read_sp (void);
 


@@ -208,9 +241,9 @@ extern int attach (int);
 extern void detach (int);
 
 /* PTRACE method of waiting for inferior process.  */
 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. */
 
 #ifndef PTRACE_ARG3_TYPE
 #define PTRACE_ARG3_TYPE int   /* Correct definition for most systems. */


@@ -224,7 +257,7 @@ extern void pre_fork_inferior (void);
 
 extern int proc_iterate_over_mappings (int (*)(int, CORE_ADDR));
 
 
 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 */
 
 
 /* From fork-child.c */
 


@@ -261,7 +294,8 @@ extern int signal_print_update (int, int);
 
 extern int signal_pass_update (int, int);
 
 
 extern int signal_pass_update (int, int);
 

-extern void get_last_target_status(int *pid, struct target_waitstatus *status);
+extern void get_last_target_status(ptid_t *ptid,
+                                   struct target_waitstatus *status);

 
 /* From infcmd.c */
 
 
 /* From infcmd.c */
 


@@ -362,7 +396,7 @@ extern int proceed_to_finish;
 
 extern char *stop_registers;
 
 
 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;
    than forked.  */
 
 extern int attach_flag;