util-vserver-0.30.208

[util-vserver.git] / ensc_wrappers / wrappers-unistd.hc

diff --git a/ensc_wrappers/wrappers-unistd.hc b/ensc_wrappers/wrappers-unistd.hc
new file mode 100644 (file)
index 0000000..885641e
--- /dev/null
+++ b/ensc_wrappers/wrappers-unistd.hc
@@ -0,0 +1,220 @@
+// $Id: wrappers-unistd.hc,v 1.9 2005/07/03 12:33:44 ensc Exp $    --*- 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.
+
+#ifndef H_ENSC_IN_WRAPPERS_H
+#  error wrappers_handler.hc can not be used in this way
+#endif
+
+inline static WRAPPER_DECL void
+Eclose(int s)
+{
+  FatalErrnoError(close(s)==-1, "close()");
+}
+
+inline static WRAPPER_DECL void
+Echdir(char const path[])
+{
+  FatalErrnoError(chdir(path)==-1, "chdir()");
+}
+
+inline static WRAPPER_DECL void
+Efchdir(int fd)
+{
+  FatalErrnoError(fchdir(fd)==-1, "fchdir()");
+}
+
+inline static WRAPPER_DECL void
+Echroot(char const path[])
+{
+  FatalErrnoError(chroot(path)==-1, "chroot()");
+}
+
+inline static WRAPPER_DECL NORETURN void
+Eexecv(char const *path, char *argv[])
+{
+  execv(path,argv);
+  FatalErrnoErrorFail("execv()");
+}
+
+inline static WRAPPER_DECL NORETURN void
+Eexecvp(char const *path, char *argv[])
+{
+  execvp(path,argv);
+  FatalErrnoErrorFail("execvp()");
+}
+
+inline static WRAPPER_DECL NORETURN void
+EexecvpD(char const *path, char *argv[])
+{
+  execvp(path,argv);
+  {
+    ENSC_DETAIL1(msg, "execvp", path, 1);
+    FatalErrnoErrorFail(msg);
+  }
+}
+
+inline static WRAPPER_DECL void
+Epipe(int filedes[2])
+{
+  FatalErrnoError(pipe(filedes)==-1, "pipe()");
+}
+
+inline static WRAPPER_DECL pid_t
+Efork()
+{
+  pid_t                res;
+  res = fork();
+  FatalErrnoError(res==-1, "fork()");
+  return res;
+}
+
+inline static WRAPPER_DECL size_t
+Eread(int fd, void *ptr, size_t len)
+{
+  ssize_t      res = read(fd, ptr, len);
+  FatalErrnoError(res==-1, "read()");
+
+  return res;
+}
+
+inline static WRAPPER_DECL size_t
+Ewrite(int fd, void const *ptr, size_t len)
+{
+  ssize_t      res = write(fd, ptr, len);
+  FatalErrnoError(res==-1, "write()");
+
+  return res;
+}
+
+inline static WRAPPER_DECL size_t
+Ereadlink(const char *path, char *buf, size_t bufsiz)
+{
+  ssize_t      res = readlink(path, buf, bufsiz);
+  FatalErrnoError(res==-1, "readlink()");
+
+  return res;
+}
+
+inline static WRAPPER_DECL size_t
+EreadlinkD(const char *path, char *buf, size_t bufsiz)
+{
+  ssize_t      res = readlink(path, buf, bufsiz);
+  ENSC_DETAIL1(msg, "readlink", path, 1);
+  FatalErrnoError((ssize_t)(res)==-1, msg);
+
+  return res;
+}
+
+inline static WRAPPER_DECL void
+Esymlink(const char *oldpath, const char *newpath)
+{
+  FatalErrnoError(symlink(oldpath, newpath)==-1, "symlink()");
+}
+
+inline static WRAPPER_DECL void
+EsymlinkD(const char *oldpath, const char *newpath)
+{
+  ENSC_DETAIL2(msg, "symlink", oldpath, newpath, 1, 1);
+  FatalErrnoError(symlink(oldpath, newpath)==-1, msg);
+}
+
+inline static WRAPPER_DECL void
+Eunlink(char const *pathname)
+{
+  FatalErrnoError(unlink(pathname)==-1, "unlink()");
+}
+
+inline static void
+Esetuid(uid_t uid)
+{
+  FatalErrnoError(setuid(uid)==-1, "setuid()");
+}
+
+inline static void
+Esetgid(gid_t gid)
+{
+  FatalErrnoError(setgid(gid)==-1, "setgid()");
+}
+
+#if defined(_GRP_H) && (defined(__USE_BSD) || defined(__dietlibc__))
+inline static void
+Esetgroups(size_t size, const gid_t *list)
+{
+  FatalErrnoError(setgroups(size, list)==-1, "setgroups()");
+}
+#endif
+
+inline static WRAPPER_DECL int
+Edup2(int oldfd, int newfd)
+{
+  register int          res = dup2(oldfd, newfd);
+  FatalErrnoError(res==-1, "dup2()");
+
+  return res;
+}
+
+inline static WRAPPER_DECL int
+Edup(int fd)
+{
+  register int          res = dup(fd);
+  FatalErrnoError(res==-1, "dup()");
+
+  return res;
+}
+
+inline static WRAPPER_DECL pid_t
+Esetsid()
+{
+  register pid_t const  res = setsid();
+  FatalErrnoError(res==-1, "setsid()");
+
+  return res;
+}
+
+inline static WRAPPER_DECL int
+Emkstemp(char *template)
+{
+  int          res = mkstemp(template);
+  FatalErrnoError(res==-1, "mkstemp()");
+  return res;
+}
+
+inline static WRAPPER_DECL off_t
+Elseek(int fildes, off_t offset, int whence)
+{
+  off_t         res = lseek(fildes, offset, whence);
+  FatalErrnoError(res==(off_t)-1, "lseek()");
+  return res;
+}
+
+inline static WRAPPER_DECL void
+Enice(int n)
+{
+  FatalErrnoError(nice(n)==-1, "nice()");
+}
+
+inline static WRAPPER_DECL void
+Etruncate(const char *path, off_t length)
+{
+  FatalErrnoError(truncate(path,length)==-1, "truncate()");
+}
+
+inline static WRAPPER_DECL void
+Eftruncate(int fd, off_t length)
+{
+  FatalErrnoError(ftruncate(fd,length)==-1, "ftruncate()");
+}