Add system call abstraction layer

- syscall.c provides platform-independent system calls
- previous code for this from compat.c removed
- posix xlator uses new functions from syscall.c
- solaris_flistxattr added to compat.c

Signed-off-by: Anand V. Avati <avati@amp.gluster.com>

1 files changed, 148 insertions, 0 deletions

diff --git a/libglusterfs/src/syscall.h b/libglusterfs/src/syscall.h
new file mode 100644
index 000000000..d9cbb8fd4
--- /dev/null
+++ b/libglusterfs/src/syscall.h
@@ -0,0 +1,148 @@
+/*
+  Copyright (c) 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+  This file is part of GlusterFS.
+
+  GlusterFS 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 3 of the License,
+  or (at your option) any later version.
+
+  GlusterFS 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, see
+  <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __SYSCALL_H__
+#define __SYSCALL_H__
+
+int
+sys_lstat (const char *path, struct stat *buf);
+
+int
+sys_stat (const char *path, struct stat *buf);
+
+int 
+sys_fstat (int fd, struct stat *buf);
+
+DIR *
+sys_opendir (const char *name);
+
+struct dirent *
+sys_readdir (DIR *dir);
+
+ssize_t 
+sys_readlink (const char *path, char *buf, size_t bufsiz);
+
+int 
+sys_closedir (DIR *dir);
+
+int
+sys_mknod (const char *pathname, mode_t mode, dev_t dev);
+
+int 
+sys_mkdir (const char *pathname, mode_t mode);
+
+int 
+sys_unlink (const char *pathname);
+
+int 
+sys_rmdir (const char *pathname);
+
+int 
+sys_symlink (const char *oldpath, const char *newpath);
+
+int
+sys_rename (const char *oldpath, const char *newpath);
+
+int 
+sys_link (const char *oldpath, const char *newpath);
+
+int
+sys_chmod (const char *path, mode_t mode);
+
+int
+sys_fchmod (int fd, mode_t mode);
+
+int 
+sys_chown (const char *path, uid_t owner, gid_t group);
+
+int
+sys_fchown (int fd, uid_t owner, gid_t group);
+
+int
+sys_lchown (const char *path, uid_t owner, gid_t group);
+
+int 
+sys_truncate (const char *path, off_t length);
+
+int 
+sys_ftruncate (int fd, off_t length);
+
+int 
+sys_utimes (const char *filename, const struct timeval times[2]);
+
+int
+sys_creat (const char *pathname, mode_t mode);
+
+ssize_t
+sys_readv (int fd, const struct iovec *iov, int iovcnt);
+
+ssize_t
+sys_writev (int fd, const struct iovec *iov, int iovcnt);
+
+ssize_t
+sys_read (int fd, void *buf, size_t count);
+
+ssize_t 
+sys_write (int fd, const void *buf, size_t count);
+
+off_t
+sys_lseek (int fd, off_t offset, int whence);
+
+int
+sys_statvfs (const char *path, struct statvfs *buf);
+
+int 
+sys_close (int fd);
+
+int 
+sys_fsync (int fd);
+
+int 
+sys_fdatasync (int fd);
+
+int 
+sys_lsetxattr (const char *path, const char *name, const void *value, 
+               size_t size, int flags); 
+
+ssize_t
+sys_llistxattr (const char *path, char *list, size_t size); 
+
+ssize_t
+sys_lgetxattr (const char *path, const char *name, void *value, size_t size); 
+
+ssize_t 
+sys_fgetxattr (int filedes, const char *name, void *value, size_t size); 
+
+int 
+sys_fsetxattr (int filedes, const char *name, const void *value, 
+               size_t size, int flags);
+
+ssize_t 
+sys_flistxattr (int filedes, char *list, size_t size); 
+
+int 
+sys_lremovexattr (const char *path, const char *name);
+
+int 
+sys_access (const char *pathname, int mode);
+
+int 
+sys_ftruncate (int fd, off_t length);
+
+#endif /* __SYSCALL_H__ */