If p_pid is zero use ps_getpid().

linuxthreads_db/td_thr_getfpregs.c

@@ -1,5 +1,5 @@
 /* Get a thread's floating-point register set.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -37,8 +37,13 @@ td_thr_getfpregs (const td_thrhandle_t *th, prfpregset_t *regset)
   if (pds.p_terminated)
     memset (regset, '\0', sizeof (*regset));
   /* Otherwise get the register content through the callback.  */
-  else if (ps_lgetfpregs (th->th_ta_p->ph, pds.p_pid, regset) != PS_OK)
-    return TD_ERR;
+  else
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lgetfpregs (th->th_ta_p->ph, pid, regset) != PS_OK)
+	return TD_ERR;
+    }
 
   return TD_OK;
 }

linuxthreads_db/td_thr_getgregs.c

@@ -1,5 +1,5 @@
 /* Get a thread's general register set.
-   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -37,8 +37,13 @@ td_thr_getgregs (const td_thrhandle_t *th, prgregset_t gregs)
   if (pds.p_terminated)
     memset (gregs, '\0', sizeof (prgregset_t));
   /* Otherwise get the register content through the callback.  */
-  else if (ps_lgetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK)
-    return TD_ERR;
+  else
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lgetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
+	return TD_ERR;
+    }
 
   return TD_OK;
 }

linuxthreads_db/td_thr_setfpregs.c

@@ -1,5 +1,5 @@
 /* Set a thread's floating-point register set.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -34,9 +34,13 @@ td_thr_setfpregs (const td_thrhandle_t *th, const prfpregset_t *fpregs)
     return TD_ERR;
 
   /* Only set the registers if the thread hasn't yet terminated.  */
-  if (pds.p_terminated == 0
-      && ps_lsetfpregs (th->th_ta_p->ph, pds.p_pid, fpregs) != PS_OK)
-    return TD_ERR;
+  if (pds.p_terminated == 0)
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lsetfpregs (th->th_ta_p->ph, pid, fpregs) != PS_OK)
+	return TD_ERR;
+    }
 
   return TD_OK;
 }

linuxthreads_db/td_thr_setgregs.c

@@ -1,5 +1,5 @@
 /* Set a thread's general register set.
-   Copyright (C) 1999 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -34,9 +34,13 @@ td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
     return TD_ERR;
 
   /* Only set the registers if the thread hasn't yet terminated.  */
-  if (pds.p_terminated == 0
-      && ps_lsetregs (th->th_ta_p->ph, pds.p_pid, gregs) != PS_OK)
-    return TD_ERR;
+  if (pds.p_terminated == 0)
+    {
+      pid_t pid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+
+      if (ps_lsetregs (th->th_ta_p->ph, pid, gregs) != PS_OK)
+	return TD_ERR;
+    }
 
   return TD_OK;
 }