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Length: 16384 (0x4000)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, package Unix, seg_04b998
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦cfc2e13cd⟧ »Space Info Vol 2«
└─⟦this⟧
-------------------------------------------------------------------------
-- The "popular" Unix AIX Interface --
-- --
-- This package defines the Ada-to-C interface for calls to the --
-- more popular Unix system calls. Some data structures are --
-- machine-dependent; these are defined in unix_status_buffer. --
-------------------------------------------------------------------------
with System;
use System;
with C_Strings;
use C_Strings;
with Os_Files;
with Unix_Status_Buffer;
with Language;
package Unix is
use System;
use C_Strings;
use Language;
--
--\x09Error codes for unix functions
--
type Error_Codes is
(E_Noerror, -- No Error
Eperm, -- Not super-user\x09\x09\x09
Enoent, -- No such file or directory\x09\x09
Esrch, -- No such process\x09\x09\x09
Eintr, -- interrupted system call\x09\x09
Eio, -- I/O error\x09\x09\x09\x09
Enxio, -- No such device or address\x09\x09
E2big, -- Arg list too long\x09\x09\x09
Enoexec, -- Exec format error\x09\x09\x09
Ebadf, -- Bad file number\x09\x09\x09
Echild, -- No children\x09\x09\x09\x09
Eagain, -- No more processes\x09\x09\x09
Enomem, -- Not enough core\x09\x09\x09
Eacces, -- Permission denied\x09\x09\x09
Efault, -- Bad address\x09\x09\x09\x09
Enotblk, -- Block device required\x09\x09
Ebusy, -- Mount device busy\x09\x09\x09
Eexist, -- File exists\x09\x09\x09\x09
Exdev, -- Cross-device link\x09\x09\x09
Enodev, -- No such device\x09\x09\x09
Enotdir, -- Not a directory\x09\x09\x09
Eisdir, -- Is a directory\x09\x09\x09
Einval, -- Invalid argument\x09\x09\x09
Enfile, -- File table overflow\x09\x09\x09
Emfile, -- Too many open files\x09\x09\x09
Enotty, -- Not a typewriter\x09\x09\x09
Etxtbsy, -- Text file busy\x09\x09\x09
Efbig, -- File too large\x09\x09\x09
Enospc, -- No space left on device\x09\x09
Espipe, -- Illegal seek\x09\x09\x09\x09
Erofs, -- Read only file system\x09\x09
Emlink, -- Too many links\x09\x09\x09
Epipe, -- Broken pipe\x09\x09\x09\x09
Edom, -- Math arg out of domain of func\x09
Erange, -- Math result not representable\x09
Enomsg, -- No message of desired type\x09\x09
Eidrm, -- Identifier removed\x09\x09\x09
Echrng, -- Channel number out of range\x09\x09
El2nsync, -- Level 2 not synchronized\x09\x09
El3hlt, -- Level 3 halted\x09\x09\x09
El3rst, -- Level 3 reset\x09\x09\x09
Elnrng, -- Link number out of range\x09\x09
Eunatch, -- Protocol driver not attached\x09\x09
Enocsi, -- No CSI structure available\x09\x09
El2hlt, -- Level 2 halted\x09\x09\x09
Edeadlk, -- Record locking deadlock\x09\x09
Enotready, -- Device not ready\x09\x09
Ewrprotect, -- Write-protected media \x09
Eformat, -- Unformatted media \x09\x09
Enolck, -- No locks\x09\x09\x09
Enoconnect, -- no connection
Ebadconnect, -- connection has gone down
Estale, -- no filesystem
Edist, -- requests blocked
Ewouldblock, -- Operation would block
Einprogress, -- Operation now in progress
Ealready, -- Operation already in progress
Enotsock, -- Socket operation on non-socket
Edestaddrreq, -- Destination address required
Emsgsize, -- Message too long
Eprototype, -- Protocol wrong type for socket
Enoprotoopt, -- Protocol not available
Eprotonosupport, -- Protocol not supported
Esocktnosupport, -- Socket type not supported
Eopnotsupp, -- Operation not supported on socket
Epfnosupport, -- Protocol family not supported
Eafnosupport, -- Address family not supported by protocol family
Eaddrinuse, -- Address already in use
Eaddrnotavail, -- Can't assign requested address
Enetdown, -- Network is down
Enetunreach, -- Network is unreachable
Enetreset, -- Network dropped connection on reset
Econnaborted, -- Software caused connection abort
Econnreset, -- Connection reset by peer
Enobufs, -- No buffer space available
Eisconn, -- Socket is already connected
Enotconn, -- Socket is not connected
Eshutdown, -- Can't send after socket shutdown
Etimedout, -- Connection timed out
Econnrefused, -- Connection refused
Ehostdown, -- Host is down
Ehostunreach, -- No route to host
Erestart, -- Restart the system call
Eproclim, -- Too many processes
Eusers, -- Too many users
Eloop, -- Too many levels of symbolic links
Enametoolong, -- File name too long
Enotempty, -- Directory not empty
Edquot, -- Disc quota exceeded
Edummy89, -- Dummy
Elibacc, -- Shared library cannot be accessed
Edummy90, -- Dummy
Elibbad, -- Shared library format is bad
Elibscn, -- .lib section in executable is corrupted
Elibmax, -- Too many shared libraries
Eremote, -- Item is not local to host
Esitedn1, -- Required site is not available
Esitedn2, -- Operation terminated due to site failure
Enostore, -- File or working directory is unavailable
Enldev, -- Not a local device.
Ebadst, -- Bad site specification
Eldwrg, -- Load module not for this machine
Elocalonly, -- Operation restricted to local site
Elock, -- Lock conflict
Etable, -- Miscellaneous system table full
Exgfs, -- Improper mount operation requested
Ejournal, -- Undefined journal operation
Epbusy, -- Pack is busy
Enspec, Edlock, Enosys, -- Function not implemented POSIX
Emedia, -- Media surface error
Esoft, -- I/O completed, but needs relocation
Enoattr, -- No attribute found
Esad, -- Security authentication denied
Enotrust -- Not a trusted program
);
for Error_Codes'Size use 32;
subtype Status_Code is Integer;
Error : constant Status_Code := -1;
Ok : constant Status_Code := 0;
subtype Offset is Integer range -1 .. Integer'Last;
subtype Io_Count is Integer range -1 .. Integer'Last;
subtype Whence is Integer;
L_Set : constant Whence := 0;
L_Incr : constant Whence := 1;
L_Xtnd : constant Whence := 2;
type Access_Mode is (F_Ok, X_Ok, W_Ok, R_Ok);
for Access_Mode use (F_Ok => 0, X_Ok => 1, W_Ok => 2, R_Ok => 4);
for Access_Mode'Size use 32;
subtype A_Status_Buffer is Unix_Status_Buffer.A_Status_Buffer;
subtype Permission is Unix_Status_Buffer.Permission_Integer;
Allow_Read_Write : Permission renames Unix_Status_Buffer.Allow_Read_Write;
--
--\x09The UNIX system calls
--
-- The following set are overloaded, so we can provide interfaces
-- both for C strings and for Ada strings. We must use an intermediary
-- package to allow pragma interfaces for these overloaded names.
package Resolve_Overloading is
function Sys_Access (Filename : C_String; Mode : Access_Mode)
return Status_Code;
function Chdir (Filename : C_String) return Status_Code;
function Chmod (Filename : C_String; Perm : Permission)
return Status_Code;
function Chown (Filename : C_String; User, Group : Integer)
return Status_Code;
function Open (Filename : C_String;
Mode : Os_Files.Open_Flags :=
Os_Files."+" (Os_Files.O_Rdwr,
Os_Files."+" (Os_Files.O_Creat,
Os_Files.O_Excl));
Perm : Permission := Allow_Read_Write)
return Os_Files.File_Descriptor;
function Stat (Filename : C_String; Statbuf : A_Status_Buffer)
return Status_Code;
function Truncate (Filename : C_String; Length : Offset)
return Status_Code;
function Unlink (Linkname : C_String) return Status_Code;
function Link (Filename, Linkname : C_String) return Status_Code;
function Symlink (Filename, Linkname : C_String) return Status_Code;
function Readlink (Path : C_String; Buffer : Address; Bufsiz : Integer)
return Io_Count;
function Rename (From_Name, To_Name : C_String) return Status_Code;
private
pragma Interface (C, Sys_Access);
pragma Interface_Name (Sys_Access, C_Subp_Prefix & "access");
pragma Interface (C, Chdir);
pragma Interface (C, Chmod);
pragma Interface (C, Chown);
pragma Interface (C, Open);
pragma Interface (C, Stat);
pragma Interface (C, Truncate);
pragma Interface (C, Unlink);
pragma Interface (C, Link);
pragma Interface (C, Symlink);
pragma Interface (C, Readlink);
pragma Interface (C, Rename);
end Resolve_Overloading;
function Sys_Access
(Filename : C_String; Mode : Access_Mode) return Status_Code
renames Resolve_Overloading.Sys_Access;
function Chdir (Filename : C_String) return Status_Code
renames Resolve_Overloading.Chdir;
function Chmod (Filename : C_String; Perm : Permission) return Status_Code
renames Resolve_Overloading.Chmod;
function Chown (Filename : C_String; User, Group : Integer)
return Status_Code renames Resolve_Overloading.Chown;
function Open (Filename : C_String;
Mode : Os_Files.Open_Flags :=
Os_Files."+" (Os_Files.O_Rdwr,
Os_Files."+" (Os_Files.O_Creat,
Os_Files.O_Excl));
Perm : Permission := Allow_Read_Write)
return Os_Files.File_Descriptor
renames Resolve_Overloading.Open;
function Stat (Filename : C_String; Statbuf : A_Status_Buffer)
return Status_Code renames Resolve_Overloading.Stat;
function Truncate (Filename : C_String; Length : Offset) return Status_Code
renames Resolve_Overloading.Truncate;
function Unlink (Linkname : C_String) return Status_Code
renames Resolve_Overloading.Unlink;
function Link (Filename, Linkname : C_String) return Status_Code
renames Resolve_Overloading.Link;
function Symlink (Filename, Linkname : C_String) return Status_Code
renames Resolve_Overloading.Symlink;
function Readlink (Path : C_String; Buffer : Address; Bufsiz : Integer)
return Io_Count renames Resolve_Overloading.Readlink;
function Rename (From_Name, To_Name : C_String) return Status_Code
renames Resolve_Overloading.Rename;
-- the above are overloaded for Ada string parameters whereever
-- c_string parameters are used.
function Sys_Access
(Filename : String; Mode : Access_Mode) return Status_Code;
function Chdir (Filename : String) return Status_Code;
function Chmod (Filename : String; Perm : Permission) return Status_Code;
function Chown (Filename : String; User, Group : Integer)
return Status_Code;
function Open (Filename : String;
Mode : Os_Files.Open_Flags :=
Os_Files."+" (Os_Files.O_Rdwr,
Os_Files."+" (Os_Files.O_Creat,
Os_Files.O_Excl));
Perm : Permission := Allow_Read_Write)
return Os_Files.File_Descriptor;
function Stat (Filename : String; Statbuf : A_Status_Buffer)
return Status_Code;
function Truncate (Filename : String; Length : Offset) return Status_Code;
function Unlink (Linkname : String) return Status_Code;
function Link (Filename, Linkname : String) return Status_Code;
function Symlink (Filename, Linkname : String) return Status_Code;
function Readlink (Path : String; Buffer : Address; Bufsiz : Integer)
return Io_Count;
function Rename (From_Name, To_Name : String) return Status_Code;
function Get_Temp_Name (Root : String := "/tmp/adatmp") return String;
function Gethostname (Name : Address; Namelen : Integer) return Status_Code;
function Fchmod (File : Os_Files.File_Descriptor; Perm : Permission)
return Status_Code;
function Fchown (File : Os_Files.File_Descriptor; User, Group : Integer)
return Status_Code;
function Close (File : Os_Files.File_Descriptor) return Status_Code;
procedure Sys_Exit (Code : Integer := 0);
function Lseek
(File : Os_Files.File_Descriptor; Incr : Offset; From : Whence)
return Offset;
function Read (File : Os_Files.File_Descriptor;
Buffer : Address;
Count : Io_Count) return Io_Count;
function Fstat (File : Os_Files.File_Descriptor; Statbuf : A_Status_Buffer)
return Status_Code;
function Ftruncate (File : Os_Files.File_Descriptor; Length : Offset)
return Status_Code;
function Write (File : Os_Files.File_Descriptor;
Buffer : Address;
Count : Io_Count) return Io_Count;
function Getpid return Integer;
function Getppid return Integer;
function Signal (Sig : Integer; Handler : System.Address)
return System.Address;
Errnum : Error_Codes;
-- for unix BSD/SysV compatibility:
procedure Getcwd (Path : in out String);
private
pragma Interface (C, Fchown);
pragma Interface (C, Fchmod);
pragma Interface (C, Close);
pragma Interface (C, Sys_Exit);
pragma Interface_Name (Sys_Exit, C_Subp_Prefix & "exit");
pragma Interface (C, Lseek);
pragma Interface (C, Read);
pragma Interface (C, Fstat);
pragma Interface (C, Ftruncate);
pragma Interface (C, Write);
pragma Interface (C, Getpid);
pragma Interface (C, Getppid);
pragma Interface (C, Gethostname);
pragma Interface (C, Signal);
pragma Interface_Name (Errnum, C_Prefix & "errno");
end Unix;
nblk1=f
nid=0
hdr6=1e
[0x00] rec0=20 rec1=00 rec2=01 rec3=032
[0x01] rec0=19 rec1=00 rec2=02 rec3=020
[0x02] rec0=17 rec1=00 rec2=03 rec3=00e
[0x03] rec0=13 rec1=00 rec2=04 rec3=062
[0x04] rec0=16 rec1=00 rec2=05 rec3=05e
[0x05] rec0=14 rec1=00 rec2=06 rec3=052
[0x06] rec0=22 rec1=00 rec2=07 rec3=06a
[0x07] rec0=11 rec1=00 rec2=08 rec3=04c
[0x08] rec0=15 rec1=00 rec2=09 rec3=030
[0x09] rec0=14 rec1=00 rec2=0a rec3=076
[0x0a] rec0=11 rec1=00 rec2=0b rec3=006
[0x0b] rec0=13 rec1=00 rec2=0c rec3=00a
[0x0c] rec0=11 rec1=00 rec2=0d rec3=024
[0x0d] rec0=19 rec1=00 rec2=0e rec3=040
[0x0e] rec0=12 rec1=00 rec2=0f rec3=000
tail 0x21750bcd0868437bd5451 0x42a00088462060003