The R13B03 release.OTP_R13B03

1 files changed, 152 insertions, 0 deletions

diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h
new file mode 100644
index 0000000000..9aa941e550
--- /dev/null
+++ b/erts/emulator/drivers/common/erl_efile.h
@@ -0,0 +1,152 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 1997-2009. All Rights Reserved.
+ * 
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ * 
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * %CopyrightEnd%
+ */
+/*
+ * Defines the interfaces between the generic efile driver and its
+ * operating-system dependent helpers.
+ */
+
+#include "sys.h"
+#include "erl_driver.h"
+
+/*
+ * Open modes for efile_openfile().
+ */
+#define EFILE_MODE_READ 1
+#define EFILE_MODE_WRITE 2	/* Implies truncating file when used alone. */
+#define EFILE_MODE_READ_WRITE 	3
+#define EFILE_MODE_APPEND	4
+#define EFILE_COMPRESSED 	8
+#define EFILE_NO_TRUNCATE      16 /* Special for reopening on VxWorks */
+
+/*
+ * Seek modes for efile_seek().
+ */
+#define	EFILE_SEEK_SET	0
+#define	EFILE_SEEK_CUR	1
+#define	EFILE_SEEK_END	2
+
+/*
+ * File types returned by efile_fileinfo().
+ */
+#define FT_DEVICE 	1
+#define FT_DIRECTORY 	2
+#define FT_REGULAR	3
+#define FT_SYMLINK	4
+#define FT_OTHER	5
+
+/*
+ * Access attributes returned by efile_fileinfo() (the bits can be ORed
+ * together).
+ */
+#define FA_NONE    	0
+#define FA_WRITE 	1
+#define FA_READ		2
+
+/*
+ * An handle to an open directory.  To be cast to the correct type
+ * in the system-dependent directory functions.
+ */
+
+typedef struct _Efile_Dir_Handle* EFILE_DIR_HANDLE;
+
+/*
+ * Error information from the last call.
+ */  
+typedef struct _Efile_error {
+    int posix_errno;		/* Posix error number, as in <errno.h>. */
+    int os_errno;		/* Os-dependent error number (not used). */
+} Efile_error;
+
+/*
+ * This structure contains date and time.
+ */
+typedef struct _Efile_time {
+    unsigned year;		/* (4 digits). */
+    unsigned month;		/* (1..12). */
+    unsigned day;		/* (1..31). */
+    unsigned hour;		/* (0..23). */
+    unsigned minute;		/* (0..59). */
+    unsigned second;		/* (0..59). */
+} Efile_time;
+
+
+/*
+ * Describes what is returned by file:file_info/1.
+ */
+
+typedef struct _Efile_info {
+    Uint32 size_low;		/* Size of file, lower 32 bits.. */
+    Uint32 size_high;		/* Size of file, higher 32 bits. */
+    Uint32 type;		/* Type of file -- one of FT_*. */
+    Uint32 access;		/* Access to file -- one of FA_*. */
+    Uint32 mode;		/* Access permissions -- bit field. */
+    Uint32 links;		/* Number of links to file. */
+    Uint32 major_device;	/* Major device or file system. */
+    Uint32 minor_device;	/* Minor device (for devices). */
+    Uint32 inode;		/* Inode number. */
+    Uint32 uid;			/* User id of owner. */
+    Uint32 gid;			/* Group id of owner. */
+    Efile_time accessTime;	/* Last time the file was accessed. */
+    Efile_time modifyTime;	/* Last time the file was modified. */
+    Efile_time cTime;		/* Creation time (Windows) or last
+				 * inode change (Unix).
+				 */
+} Efile_info;
+
+/*
+ * Functions.
+ */
+
+int efile_mkdir(Efile_error* errInfo, char* name);
+int efile_rmdir(Efile_error* errInfo, char* name);
+int efile_delete_file(Efile_error* errInfo, char* name);
+int efile_rename(Efile_error* errInfo, char* src, char* dst);
+int efile_chdir(Efile_error* errInfo, char* name);
+int efile_getdcwd(Efile_error* errInfo, int drive,
+		  char* buffer, size_t size);
+int efile_readdir(Efile_error* errInfo, char* name, 
+		  EFILE_DIR_HANDLE* dir_handle,
+		  char* buffer, size_t size);
+int efile_openfile(Efile_error* errInfo, char* name, int flags,
+		   int* pfd, Sint64* pSize);
+void efile_closefile(int fd);
+int efile_fsync(Efile_error* errInfo, int fd);
+int efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo,
+		   char *name, int info_for_link);
+int efile_write_info(Efile_error* errInfo, Efile_info* pInfo, char *name);
+int efile_write(Efile_error* errInfo, int flags, int fd, 
+		char* buf, size_t count);
+int efile_writev(Efile_error* errInfo, int flags, int fd, 
+		 SysIOVec* iov, int iovcnt, size_t size);
+int efile_read(Efile_error* errInfo, int flags, int fd, 
+	       char* buf, size_t count, size_t* pBytesRead);
+int efile_seek(Efile_error* errInfo, int fd, 
+	       Sint64 offset, int origin, Sint64* new_location);
+int efile_truncate_file(Efile_error* errInfo, int *fd, int flags);
+int efile_pwrite(Efile_error* errInfo, int fd, 
+		 char* buf, size_t count, Sint64 offset);
+int efile_pread(Efile_error* errInfo, int fd, 
+		Sint64 offset, char* buf, size_t count, size_t* pBytesRead);
+int efile_readlink(Efile_error* errInfo, char *name, 
+		   char* buffer, size_t size);
+int efile_altname(Efile_error* errInfo, char *name, 
+		  char* buffer, size_t size);
+int efile_link(Efile_error* errInfo, char* old, char* new);
+int efile_symlink(Efile_error* errInfo, char* old, char* new);
+int efile_may_openfile(Efile_error* errInfo, char *name);