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authorMike Frysinger <vapier@gentoo.org>2005-11-18 06:03:31 +0000
committerMike Frysinger <vapier@gentoo.org>2005-11-18 06:03:31 +0000
commit5da18e19030103b0c8fba67762b9eb5cf621d172 (patch)
tree073de0727a1552c541ca34b6b23be85af23e2fc3 /libpthread/linuxthreads_db/td_thr_setgregs.c
parent8dfe599d81d0606c278d69d2fa706dc2c82377cb (diff)
import new linuxthreads_db from glibc HEAD
Diffstat (limited to 'libpthread/linuxthreads_db/td_thr_setgregs.c')
-rw-r--r--libpthread/linuxthreads_db/td_thr_setgregs.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/libpthread/linuxthreads_db/td_thr_setgregs.c b/libpthread/linuxthreads_db/td_thr_setgregs.c
new file mode 100644
index 000000000..8c021a473
--- /dev/null
+++ b/libpthread/linuxthreads_db/td_thr_setgregs.c
@@ -0,0 +1,47 @@
+/* Set a thread's general register set.
+ Copyright (C) 1999, 2001, 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_setgregs (const td_thrhandle_t *th, prgregset_t gregs)
+{
+ struct _pthread_descr_struct pds = { .p_terminated = 0, .p_pid = 0 };
+
+ LOG ("td_thr_setgregs");
+
+ /* We have to get the state and the PID for this thread. */
+ if (th->th_unique != NULL
+ && ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+ sizeof (struct _pthread_descr_struct)) != PS_OK)
+ return TD_ERR;
+
+ /* Only set the registers if the thread hasn't yet terminated. */
+ 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;
+}