start to track Daniel's version

[util-vserver.git] / src / context-sync.hc

diff --git a/src/context-sync.hc b/src/context-sync.hc
deleted file mode 100644 (file)
index cbc3304..0000000
--- a/src/context-sync.hc
+++ /dev/null
@@ -1,89 +0,0 @@
-// $Id: context-sync.hc 2015 2005-04-10 01:01:33Z ensc $    --*- c -*--
-
-// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-//  
-// This program 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; version 2 of the License.
-//  
-// This program 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 this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-
-/// \args p[0]  used for parent -> child sync (child waits till parent is in deathrow)
-/// \args p[1]  used for child -> parent sync (recognize execv() errors)
-static inline ALWAYSINLINE int
-initSync(int p[2][2], bool do_disconnect)
-{
-  if (!do_disconnect) return 0;
-
-  Epipe(p[0]);
-  Epipe(p[1]);
-  fcntl(p[1][1], F_SETFD, FD_CLOEXEC);
-  return Efork();
-}
-
-static inline ALWAYSINLINE void
-doSyncStage0(int p[2][2], bool do_disconnect)
-{
-  char         c;
-  if (!do_disconnect) return;
-
-  Eclose(p[0][1]);
-  Eread (p[0][0], &c, 1);
-  Eclose(p[0][0]);
-}
-
-static inline ALWAYSINLINE void
-doSyncStage1(int p[2][2], bool do_disconnect)
-{
-  int  fd;
-
-  if (!do_disconnect) return;
-  
-  fd = EopenD("/dev/null", O_RDONLY|O_NONBLOCK, 0);
-  (void)setsid();      // ignore error when we are already a session-leader
-  Edup2(fd, 0);
-  Eclose(p[1][0]);
-  if (fd!=0) Eclose(fd);
-  Ewrite(p[1][1], ".", 1);
-}
-
-static inline ALWAYSINLINE void
-doSyncStage2(int p[2][2], bool do_disconnect)
-{
-  if (!do_disconnect) return;
-
-  Ewrite(p[1][1], "X", 1);
-}
-
-/// \args p[0]  used for parent -> child sync (child waits till parent is in deathrow)
-/// \args p[1]  used for child -> parent sync (recognize execv() errors)
-static void
-waitOnSync(pid_t pid, int p[2][2], bool is_prevent_race)
-{
-  char         c;
-  size_t       l;
-
-  if (is_prevent_race &&
-      !jailIntoTempDir(0)) {
-    perror(ENSC_WRAPPERS_PREFIX "jailIntoTempDir()");
-    exit(255);
-  }
-
-  Eclose(p[0][0]);
-  Ewrite(p[0][1], "X", 1);
-  Eclose(p[0][1]);
-  
-  Eclose(p[1][1]);
-  l = Eread(p[1][0], &c, 1);
-  if (l!=1) exitLikeProcess(pid,0, wrapper_exit_code);
-  l = Eread(p[1][0], &c, 1);
-  if (l!=0) exitLikeProcess(pid,0, wrapper_exit_code);
-}