1 files changed, 88 insertions, 0 deletions
diff --git a/exec/gcore.c b/exec/gcore.c
new file mode 100644
index 00000000..7343516c
--- /dev/null
+++ b/exec/gcore.c
@@ -0,0 +1,88 @@
+/* `gcore' for GNU Hurd.
+   Copyright (C) 1992 Free Software Foundation
+   Written by Roland McGrath.
+
+This file is part of the GNU Hurd.
+
+The GNU Hurd is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+The GNU Hurd 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU Hurd; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <hurd.h>
+#include <hurd/core.h>
+#include <limits.h>
+
+int
+main (int argc, char **argv)
+{
+  file_t coreserv;
+  int i;
+
+  if (argc < 2)
+    {
+    usage:
+      fprintf (stderr, "Usage: %s PID ...\n", program_invocation_short_name);
+      exit (1);
+    }
+
+  coreserv = path_lookup (_SERVERS_CORE, 0, 0);
+  if (coreserv == MACH_PORT_NULL)
+    {
+      perror (_SERVERS_CORE);
+      exit (1);
+    }
+
+  for (i = 1; i < argc; ++i)
+    {
+      char *end;
+      pid_t pid;
+      task_t task;
+
+      pid = strtol (&argv[i], &end, 10);
+      if (end == &argv[i] || *end != '\0')
+	goto usage;
+
+      task = pid2task ((pid_t) pid);
+      if (task == MACH_PORT_NULL)
+	fprintf (stderr, "pid2task: %d: %s\n", pid, strerror (errno));
+      else
+	{
+	  char name[PATH_MAX];
+	  file_t file;
+	  sprintf (name, "core.%d", pid);
+	  file = path_lookup (name, FS_LOOKUP_WRITE|FS_LOOKUP_CREATE,
+			      0666 &~ getumask ());
+	  if (file == MACH_PORT_NULL)
+	    perror (name);
+	  else
+	    {
+	      error_t err = core_dump_task (coreserv, task,
+					    file,
+					    0, 0,
+					    getenv ("GNUTARGET"));
+	      mach_port_deallocate (mach_task_self (), file);
+	      if (err)
+		{
+		  (void) remove (name);
+		  fprintf (stderr, "core_dump_task: %d: %s\n",
+			   pid, strerror (err));
+		}
+	    }
+	}
+      mach_port_deallocate (mach_task_self (), task);
+    }
+
+  exit (0);
+}