* Makefile (subdirs): Added wcsmbs.

* wcsmbs: New directory of wide char/multibyte char functions from drepper.
2026-01-06 11:51:29 +03:00 · 1996-02-08 10:00:34 +00:00
parent 4ca84cff3b
commit a482b5a595
34 changed files with 1787 additions and 1 deletions
--- a/hurd/report-wait.c
+++ b/hurd/report-wait.c
@@ -0,0 +1,146 @@
+/* Report on what a thread in our task is waiting for.
+Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <hurd.h>
+#include <hurd/signal.h>
+#include <hurd/fd.h>
+#include <string.h>
+#include <assert.h>
+#include <hurd/msg_server.h>
+#include "thread_state.h"
+#include "intr-msg.h"
+
+static void
+describe_number (string_t description, const char *flavor, int i)
+{
+  char *p = __stpcpy (description, flavor);
+  p += i / 10 + 1;
+  *p = '\0';
+  do
+    {
+      *--p = '0' + i % 10;
+      i /= 10;
+    } while (i != 0);
+  assert (p[-1] == '#');
+}
+
+static void
+describe_port (string_t description, mach_port_t port)
+{
+  int i;
+
+  if (port == __mach_task_self ())
+    {
+      strcpy (description, "task-self");
+      return;
+    }
+
+  for (i = 0; i < _hurd_nports; ++i)
+    if (port == _hurd_ports[i].port)
+      {
+	describe_number (description, "init#", i);
+	return;
+      }
+
+  if (_hurd_init_dtable)
+    {
+      for (i = 0; i < _hurd_init_dtablesize; ++i)
+	if (port == _hurd_init_dtable[i])
+	  {
+	    describe_number (description, "fd#", i);
+	    return;
+	  }
+    }
+  else if (_hurd_dtable)
+    {
+      for (i = 0; i < _hurd_dtablesize; ++i)
+	if (_hurd_dtable[i] == NULL)
+	  continue;
+	else if (port == _hurd_dtable[i]->port.port)
+	  {
+	    describe_number (description, "fd#", i);
+	    return;
+	  }
+	else if (port == _hurd_dtable[i]->ctty.port)
+	  {
+	    describe_number (description, "bgfd#", i);
+	    return;
+	  }
+    }
+
+  describe_number (description, "port#", port);
+}
+
+
+kern_return_t
+_S_msg_report_wait (mach_port_t msgport, thread_t thread,
+		    string_t description, int *msgid)
+{
+  *msgid = 0;
+
+  if (thread == _hurd_msgport_thread)
+    /* Cute.  */
+    strcpy (description, "msgport");
+  else
+    {
+      /* Make sure this is really one of our threads.  */
+
+      struct hurd_sigstate *ss;
+
+      __mutex_lock (&_hurd_siglock);
+      for (ss = _hurd_sigstates; ss != NULL; ss = ss->next)
+	if (ss->thread == thread)
+	  break;
+      __mutex_unlock (&_hurd_siglock);
+      if (ss == NULL)
+	/* To hell with you.  */
+	return EINVAL;
+
+      if (ss->suspended != MACH_PORT_NULL)
+	strcpy (description, "sigsuspend");
+      else
+	{
+	  /* Examine the thread's state to see if it is blocked in an RPC.  */
+
+	  struct machine_thread_state state;
+	  mach_msg_type_number_t count = MACHINE_THREAD_STATE_COUNT;
+	  error_t err;
+
+	  err = __thread_get_state (thread, MACHINE_THREAD_STATE_FLAVOR,
+				    (integer_t *) &state, &count);
+	  if (err)
+	    return err;
+	  assert (count == MACHINE_THREAD_STATE_COUNT);
+	  if (SYSCALL_EXAMINE (&state, msgid))
+	    {
+	      /* Blocked in a system call.  */
+	      if (*msgid == -25)
+		/* mach_msg system call.  Examine its parameters.  */
+		describe_port (description, MSG_EXAMINE (&state, msgid));
+	      else
+		strcpy (description, "kernel");
+	    }
+	  else
+	    description[0] = '\0';
+	}
+    }
+
+  __mach_port_deallocate (__mach_task_self (), thread);
+  return 0;
+}