2000-06-01 Michael Snyder <msnyder@seadog.cygnus.com>

[deliverable/binutils-gdb.git] / gdb / sol-thread.c

diff --git a/gdb/sol-thread.c b/gdb/sol-thread.c
index bca8be8507c436e2295b330182968f4ce129d696..0dcbb3cbfc605b6740e26ea2b8d62acb05342aa3 100644 (file)
--- a/gdb/sol-thread.c
+++ b/gdb/sol-thread.c
@@ -70,7 +70,7 @@ struct target_ops sol_core_ops;
 extern int procfs_suppress_run;
 extern struct target_ops procfs_ops;   /* target vector for procfs.c */
 extern struct target_ops core_ops;     /* target vector for corelow.c */
-extern char *procfs_pid_to_str PARAMS ((int pid));
+extern char *procfs_pid_to_str (int pid);
 
 /* Prototypes for supply_gregset etc. */
 #include "gregset.h"
@@ -94,19 +94,18 @@ static struct ps_prochandle main_ph;
 static td_thragent_t *main_ta;
 static int sol_thread_active = 0;
 
-static struct cleanup *save_inferior_pid PARAMS ((void));
-static void restore_inferior_pid PARAMS ((void *pid));
-static char *td_err_string PARAMS ((td_err_e errcode));
-static char *td_state_string PARAMS ((td_thr_state_e statecode));
-static int thread_to_lwp PARAMS ((int thread_id, int default_lwp));
-static void sol_thread_resume PARAMS ((int pid, int step,
-                                      enum target_signal signo));
-static int lwp_to_thread PARAMS ((int lwp));
-static int sol_thread_alive PARAMS ((int pid));
-static void sol_core_close PARAMS ((int quitting));
+static struct cleanup *save_inferior_pid (void);
+static void restore_inferior_pid (void *pid);
+static char *td_err_string (td_err_e errcode);
+static char *td_state_string (td_thr_state_e statecode);
+static int thread_to_lwp (int thread_id, int default_lwp);
+static void sol_thread_resume (int pid, int step, enum target_signal signo);
+static int lwp_to_thread (int lwp);
+static int sol_thread_alive (int pid);
+static void sol_core_close (int quitting);
 
-static void init_sol_thread_ops PARAMS ((void));
-static void init_sol_core_ops PARAMS ((void));
+static void init_sol_thread_ops (void);
+static void init_sol_core_ops (void);
 
 /* Default definitions: These must be defined in tm.h 
    if they are to be shared with a process module such as procfs.  */
@@ -1091,6 +1090,20 @@ rw_common (int dowrite, const struct ps_prochandle *ph, gdb_ps_addr_t addr,
 
          return PS_ERR;
        }
+      else if (cc == 0)
+       {
+         if (dowrite == 0)
+           warning ("rw_common (): unable to read at addr 0x%lx", 
+                    (long) addr);
+         else
+           warning ("rw_common (): unable to write at addr 0x%lx", 
+                    (long) addr);
+
+         do_cleanups (old_chain);
+
+         return PS_ERR;
+       }
+
       size -= cc;
       buf += cc;
     }