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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /linuxthreads_db/td_thr_get_info.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'linuxthreads_db/td_thr_get_info.c')
-rw-r--r--linuxthreads_db/td_thr_get_info.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/linuxthreads_db/td_thr_get_info.c b/linuxthreads_db/td_thr_get_info.c
new file mode 100644
index 0000000000..4666bda976
--- /dev/null
+++ b/linuxthreads_db/td_thr_get_info.c
@@ -0,0 +1,83 @@
+/* Get thread information.
+   Copyright (C) 1999, 2000, 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 <stddef.h>
+#include <string.h>
+
+#include "thread_dbP.h"
+
+
+td_err_e
+td_thr_get_info (const td_thrhandle_t *th, td_thrinfo_t *infop)
+{
+  struct _pthread_descr_struct pds;
+
+  LOG ("td_thr_get_info");
+
+  /* Handle the case when the thread library is not yet initialized.  */
+  if (th->th_unique == NULL)
+    {
+      memset (&pds, '\0', sizeof (pds));
+      pds.p_tid = PTHREAD_THREADS_MAX;
+    }
+  else
+    /* Get the thread descriptor.  */
+    if (ps_pdread (th->th_ta_p->ph, th->th_unique, &pds,
+		   th->th_ta_p->sizeof_descr) != PS_OK)
+      return TD_ERR;	/* XXX Other error value?  */
+
+  /* Fill in information.  Clear first to provide reproducable
+     results for the fields we do not fill in.  */
+  memset (infop, '\0', sizeof (td_thrinfo_t));
+
+  /* We have to handle the manager thread special since the thread
+     descriptor in older versions is not fully initialized.  */
+  if (pds.p_nr == 1)
+    {
+      infop->ti_tid = th->th_ta_p->pthread_threads_max * 2 + 1;
+      infop->ti_type = TD_THR_SYSTEM;
+      infop->ti_state = TD_THR_ACTIVE;
+    }
+  else
+    {
+      infop->ti_tid = pds.p_tid;
+      infop->ti_tls = (char *) pds.p_specific;
+      infop->ti_pri = pds.p_priority;
+      infop->ti_type = TD_THR_USER;
+
+      if (! pds.p_terminated)
+	/* XXX For now there is no way to get more information.  */
+	infop->ti_state = TD_THR_ACTIVE;
+      else if (! pds.p_detached)
+	infop->ti_state = TD_THR_ZOMBIE;
+      else
+	infop->ti_state = TD_THR_UNKNOWN;
+    }
+
+  /* Initialization which are the same in both cases.  */
+  infop->ti_lid = pds.p_pid ?: ps_getpid (th->th_ta_p->ph);
+  infop->ti_ta_p = th->th_ta_p;
+  infop->ti_startfunc = pds.p_start_args.start_routine;
+  memcpy (&infop->ti_events, &pds.p_eventbuf.eventmask,
+	  sizeof (td_thr_events_t));
+  infop->ti_traceme = pds.p_report_events != 0;
+
+  return TD_OK;
+}