X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=contrib%2Fsb-posix%2Finterface.lisp;h=6460052d7b427679c32dab180ad18f2a382ac4e4;hb=b665ae77fc8e369b8713abf3ca9e3d8455e4c5a7;hp=ed265c15f58aa6cb7e0fdd252319f5ae1e1d48c2;hpb=78fa16bf55be44cc16845be84d98023e83fb14bc;p=sbcl.git diff --git a/contrib/sb-posix/interface.lisp b/contrib/sb-posix/interface.lisp index ed265c1..6460052 100644 --- a/contrib/sb-posix/interface.lisp +++ b/contrib/sb-posix/interface.lisp @@ -1,65 +1,66 @@ -(cl:in-package :sb-posix-internal) +(cl:in-package :sb-posix) -(defmacro define-protocol-class +(defmacro define-protocol-class (name alien-type superclasses slots &rest options) (let ((to-protocol (intern (format nil "ALIEN-TO-~A" name))) - (to-alien (intern (format nil "~A-TO-ALIEN" name)))) + (to-alien (intern (format nil "~A-TO-ALIEN" name)))) `(progn - (defclass ,name ,superclasses - ,(loop for slotd in slots - collect (ldiff slotd (member :array-length slotd))) - ,@options) + (defclass ,name ,superclasses + ,(loop for slotd in slots + collect (ldiff slotd (member :array-length slotd))) + ,@options) (declaim (inline ,to-alien ,to-protocol)) + (declaim (inline ,to-protocol ,to-alien)) (defun ,to-protocol (alien &optional instance) - (declare (type (sb-alien:alien (* ,alien-type)) alien) - (type (or null ,name) instance)) - (unless instance - (setf instance (make-instance ',name))) - ,@(loop for slotd in slots - ;; FIXME: slotds in source are more complicated in general - ;; - ;; FIXME: baroque construction of intricate fragility - for array-length = (getf (cdr slotd) :array-length) - if array-length - collect `(progn - (let ((array (make-array ,array-length))) - (setf (slot-value instance ',(car slotd)) - array) - (dotimes (i ,array-length) - (setf (aref array i) - (sb-alien:deref - (sb-alien:slot alien ',(car slotd)) - i))))) - else - collect `(setf (slot-value instance ',(car slotd)) - (sb-alien:slot alien ',(car slotd)))) - instance) + (declare (type (sb-alien:alien (* ,alien-type)) alien) + (type (or null ,name) instance)) + (unless instance + (setf instance (make-instance ',name))) + ,@(loop for slotd in slots + ;; FIXME: slotds in source are more complicated in general + ;; + ;; FIXME: baroque construction of intricate fragility + for array-length = (getf (cdr slotd) :array-length) + if array-length + collect `(progn + (let ((array (make-array ,array-length))) + (setf (slot-value instance ',(car slotd)) + array) + (dotimes (i ,array-length) + (setf (aref array i) + (sb-alien:deref + (sb-alien:slot alien ',(car slotd)) + i))))) + else + collect `(setf (slot-value instance ',(car slotd)) + (sb-alien:slot alien ',(car slotd)))) + instance) (defun ,to-alien (instance &optional alien) - (declare (type (or null (sb-alien:alien (* ,alien-type))) alien) - (type ,name instance)) - (unless alien - (setf alien (sb-alien:make-alien ,alien-type))) - ,@(loop for slotd in slots - for array-length = (getf (cdr slotd) :array-length) - if array-length - collect `(progn - (let ((array (slot-value instance ',(car slotd)))) - (dotimes (i ,array-length) - (setf (sb-alien:deref - (sb-alien:slot alien ',(car slotd)) - i) - (aref array i))))) - else - collect `(setf (sb-alien:slot alien ',(car slotd)) - (slot-value instance ',(car slotd))))) + (declare (type (or null (sb-alien:alien (* ,alien-type))) alien) + (type ,name instance)) + (unless alien + (setf alien (sb-alien:make-alien ,alien-type))) + ,@(loop for slotd in slots + for array-length = (getf (cdr slotd) :array-length) + if array-length + collect `(progn + (let ((array (slot-value instance ',(car slotd)))) + (dotimes (i ,array-length) + (setf (sb-alien:deref + (sb-alien:slot alien ',(car slotd)) + i) + (aref array i))))) + else + collect `(setf (sb-alien:slot alien ',(car slotd)) + (slot-value instance ',(car slotd))))) (find-class ',name)))) (define-condition sb-posix:syscall-error (error) ((errno :initarg :errno :reader sb-posix:syscall-errno)) (:report (lambda (c s) - (let ((errno (sb-posix:syscall-errno c))) - (format s "System call error ~A (~A)" - errno (sb-int:strerror errno)))))) + (let ((errno (sb-posix:syscall-errno c))) + (format s "System call error ~A (~A)" + errno (sb-int:strerror errno)))))) (defun syscall-error () (error 'sb-posix:syscall-error :errno (get-errno))) @@ -70,259 +71,383 @@ nil) ;;; filesystem access +(defmacro define-call* (name &rest arguments) + #-win32 `(define-call ,name ,@arguments) + #+win32 `(define-call ,(concatenate 'string "_" name) ,@arguments)) -(define-call "access" int minusp (pathname filename) (mode int)) -(define-call "chdir" int minusp (pathname filename)) -(define-call "chmod" int minusp (pathname filename) (mode sb-posix::mode-t)) -(define-call "chown" int minusp (pathname filename) - (owner sb-posix::uid-t) (group sb-posix::gid-t)) -(define-call "chroot" int minusp (pathname filename)) -(define-call "close" int minusp (fd file-descriptor)) -(define-call "creat" int minusp (pathname filename) (mode sb-posix::mode-t)) -(define-call "dup" int minusp (oldfd file-descriptor)) -(define-call "dup2" int minusp (oldfd file-descriptor) (newfd file-descriptor)) -(define-call "fchdir" int minusp (fd file-descriptor)) -(define-call "fchmod" int minusp (fd file-descriptor) (mode sb-posix::mode-t)) -(define-call "fchown" int minusp (fd file-descriptor) - (owner sb-posix::uid-t) (group sb-posix::gid-t)) -(define-call "fdatasync" int minusp (fd file-descriptor)) -(define-call "ftruncate" int minusp (fd file-descriptor) (length sb-posix::off-t)) -(define-call "fsync" int minusp (fd file-descriptor)) -(define-call "lchown" int minusp (pathname filename) - (owner sb-posix::uid-t) (group sb-posix::gid-t)) -(define-call "link" int minusp (oldpath filename) (newpath filename)) -(define-call "lseek" sb-posix::off-t minusp (fd file-descriptor) (offset sb-posix::off-t) (whence int)) -(define-call "mkdir" int minusp (pathname filename) (mode sb-posix::mode-t)) -(define-call "mkfifo" int minusp (pathname filename) (mode sb-posix::mode-t)) -(define-call-internally open-with-mode "open" int minusp (pathname filename) (flags int) (mode sb-posix::mode-t)) -(define-call-internally open-without-mode "open" int minusp (pathname filename) (flags int)) -(define-entry-point "open" (pathname flags &optional (mode nil mode-supplied)) - (if mode-supplied - (open-with-mode pathname flags mode) - (open-without-mode pathname flags))) -;;(define-call "readlink" int minusp (path filename) (buf (* t)) (len int)) +(define-call* "access" int minusp (pathname filename) (mode int)) +(define-call* "chdir" int minusp (pathname filename)) +(define-call* "chmod" int minusp (pathname filename) (mode mode-t)) +(define-call* "close" int minusp (fd file-descriptor)) +(define-call* "creat" int minusp (pathname filename) (mode mode-t)) +(define-call* "dup" int minusp (oldfd file-descriptor)) +(define-call* "dup2" int minusp (oldfd file-descriptor) + (newfd file-descriptor)) +(define-call* "lseek" off-t minusp (fd file-descriptor) (offset off-t) + (whence int)) +(define-call* "mkdir" int minusp (pathname filename) (mode mode-t)) +(macrolet ((def (x) + `(progn + (define-call-internally open-with-mode ,x int minusp + (pathname filename) (flags int) (mode mode-t)) + (define-call-internally open-without-mode ,x int minusp + (pathname filename) (flags int)) + (define-entry-point ,x + (pathname flags &optional (mode nil mode-supplied)) + (if mode-supplied + (open-with-mode pathname flags mode) + (open-without-mode pathname flags)))))) + (def #-win32 "open" #+win32 "_open")) (define-call "rename" int minusp (oldpath filename) (newpath filename)) -(define-call "rmdir" int minusp (pathname filename)) -(define-call "symlink" int minusp (oldpath filename) (newpath filename)) -(define-call "sync" void never-fails) -(define-call "truncate" int minusp (pathname filename) (length sb-posix::off-t)) -(define-call "unlink" int minusp (pathname filename)) - -(define-call-internally ioctl-without-arg "ioctl" int minusp (fd file-descriptor) (cmd int)) -(define-call-internally ioctl-with-int-arg "ioctl" int minusp (fd file-descriptor) (cmd int) (arg int)) -(define-call-internally ioctl-with-pointer-arg "ioctl" int minusp (fd file-descriptor) (cmd int) (arg alien-pointer-to-anything-or-nil)) -(define-entry-point "ioctl" (fd cmd &optional (arg nil argp)) - (if argp - (etypecase arg - ((alien int) (ioctl-with-int-arg fd cmd arg)) - ((or (alien (* t)) null) (ioctl-with-pointer-arg fd cmd arg))) - (ioctl-without-arg fd cmd))) - -(define-call-internally fcntl-without-arg "fcntl" int minusp (fd file-descriptor) (cmd int)) -(define-call-internally fcntl-with-int-arg "fcntl" int minusp (fd file-descriptor) (cmd int) (arg int)) -(define-call-internally fcntl-with-pointer-arg "fcntl" int minusp (fd file-descriptor) (cmd int) (arg alien-pointer-to-anything-or-nil)) -(define-entry-point "fcntl" (fd cmd &optional (arg nil argp)) - (if argp - (etypecase arg - ((alien int) (fcntl-with-int-arg fd cmd arg)) - ((or (alien (* t)) null) (fcntl-with-pointer-arg fd cmd arg))) - (fcntl-without-arg fd cmd))) - +(define-call* "rmdir" int minusp (pathname filename)) +(define-call* "unlink" int minusp (pathname filename)) (define-call "opendir" (* t) null-alien (pathname filename)) -(define-call "readdir" (* sb-posix::dirent) +(define-call "readdir" (* dirent) ;; readdir() has the worst error convention in the world. It's just ;; too painful to support. (return is NULL _and_ errno "unchanged" ;; is not an error, it's EOF). not (dir (* t))) (define-call "closedir" int minusp (dir (* t))) +;; need to do this here because we can't do it in the DEFPACKAGE +(define-call* "umask" mode-t never-fails (mode mode-t)) +(define-call* "getpid" pid-t never-fails) -(define-call "umask" sb-posix::mode-t never-fails (mode sb-posix::mode-t)) - -;;; uid, gid - -(define-call "geteuid" sb-posix::uid-t never-fails) ; "always successful", it says -(define-call "getresuid" sb-posix::uid-t never-fails) -(define-call "getuid" sb-posix::uid-t never-fails) -(define-call "seteuid" int minusp (uid sb-posix::uid-t)) -(define-call "setfsuid" int minusp (uid sb-posix::uid-t)) -(define-call "setreuid" int minusp - (ruid sb-posix::uid-t) (euid sb-posix::uid-t)) -(define-call "setresuid" int minusp - (ruid sb-posix::uid-t) (euid sb-posix::uid-t) - (suid sb-posix::uid-t)) -(define-call "setuid" int minusp (uid sb-posix::uid-t)) +#-win32 +(progn + (define-call "chown" int minusp (pathname filename) + (owner uid-t) (group gid-t)) + (define-call "chroot" int minusp (pathname filename)) + (define-call "fchdir" int minusp (fd file-descriptor)) + (define-call "fchmod" int minusp (fd file-descriptor) (mode mode-t)) + (define-call "fchown" int minusp (fd file-descriptor) + (owner uid-t) (group gid-t)) + (define-call "fdatasync" int minusp (fd file-descriptor)) + (define-call "ftruncate" int minusp (fd file-descriptor) (length off-t)) + (define-call "fsync" int minusp (fd file-descriptor)) + (define-call "lchown" int minusp (pathname filename) + (owner uid-t) (group gid-t)) + (define-call "link" int minusp (oldpath filename) (newpath filename)) + (define-call "mkfifo" int minusp (pathname filename) (mode mode-t)) + (define-call "symlink" int minusp (oldpath filename) (newpath filename)) + (define-call "sync" void never-fails) + (define-call "truncate" int minusp (pathname filename) (length off-t)) + ;; FIXME: Windows does have _mktemp, which has a slightlty different + ;; interface + (define-call "mkstemp" int minusp (template c-string)) + (define-call-internally ioctl-without-arg "ioctl" int minusp + (fd file-descriptor) (cmd int)) + (define-call-internally ioctl-with-int-arg "ioctl" int minusp + (fd file-descriptor) (cmd int) (arg int)) + (define-call-internally ioctl-with-pointer-arg "ioctl" int minusp + (fd file-descriptor) (cmd int) + (arg alien-pointer-to-anything-or-nil)) + (define-entry-point "ioctl" (fd cmd &optional (arg nil argp)) + (if argp + (etypecase arg + ((alien int) (ioctl-with-int-arg fd cmd arg)) + ((or (alien (* t)) null) (ioctl-with-pointer-arg fd cmd arg))) + (ioctl-without-arg fd cmd))) + (define-call-internally fcntl-without-arg "fcntl" int minusp + (fd file-descriptor) (cmd int)) + (define-call-internally fcntl-with-int-arg "fcntl" int minusp + (fd file-descriptor) (cmd int) (arg int)) + (define-call-internally fcntl-with-pointer-arg "fcntl" int minusp + (fd file-descriptor) (cmd int) + (arg alien-pointer-to-anything-or-nil)) + (define-entry-point "fcntl" (fd cmd &optional (arg nil argp)) + (if argp + (etypecase arg + ((alien int) (fcntl-with-int-arg fd cmd arg)) + ((or (alien (* t)) null) (fcntl-with-pointer-arg fd cmd arg))) + (fcntl-without-arg fd cmd))) -(define-call "getegid" sb-posix::gid-t never-fails) -(define-call "getgid" sb-posix::gid-t never-fails) -(define-call "getresgid" sb-posix::gid-t never-fails) -(define-call "setegid" int minusp (gid sb-posix::gid-t)) -(define-call "setfsgid" int minusp (gid sb-posix::gid-t)) -(define-call "setgid" int minusp (gid sb-posix::gid-t)) -(define-call "setregid" int minusp - (rgid sb-posix::gid-t) (egid sb-posix::gid-t)) -(define-call "setresgid" int minusp - (rgid sb-posix::gid-t) - (egid sb-posix::gid-t) (sgid sb-posix::gid-t)) + ;; uid, gid + (define-call "geteuid" uid-t never-fails) ; "always successful", it says + (define-call "getresuid" uid-t never-fails) + (define-call "getuid" uid-t never-fails) + (define-call "seteuid" int minusp (uid uid-t)) + (define-call "setfsuid" int minusp (uid uid-t)) + (define-call "setreuid" int minusp (ruid uid-t) (euid uid-t)) + (define-call "setresuid" int minusp (ruid uid-t) (euid uid-t) (suid uid-t)) + (define-call "setuid" int minusp (uid uid-t)) + (define-call "getegid" gid-t never-fails) + (define-call "getgid" gid-t never-fails) + (define-call "getresgid" gid-t never-fails) + (define-call "setegid" int minusp (gid gid-t)) + (define-call "setfsgid" int minusp (gid gid-t)) + (define-call "setgid" int minusp (gid gid-t)) + (define-call "setregid" int minusp (rgid gid-t) (egid gid-t)) + (define-call "setresgid" int minusp (rgid gid-t) (egid gid-t) (sgid gid-t)) -;;; processes, signals -(define-call "alarm" int never-fails (seconds unsigned)) -(define-call "fork" sb-posix::pid-t minusp) -(define-call "getpgid" sb-posix::pid-t minusp (pid sb-posix::pid-t)) -(define-call "getpid" sb-posix::pid-t never-fails) -(define-call "getppid" sb-posix::pid-t never-fails) -(define-call "getpgrp" sb-posix::pid-t never-fails) -(define-call "getsid" sb-posix::pid-t minusp (pid sb-posix::pid-t)) -(define-call "kill" int minusp (pid sb-posix::pid-t) (signal int)) -(define-call "killpg" int minusp (pgrp int) (signal int)) -(define-call "pause" int minusp) -(define-call "setpgid" int minusp - (pid sb-posix::pid-t) (pgid sb-posix::pid-t)) -(define-call "setpgrp" int minusp) + ;; processes, signals + (define-call "alarm" int never-fails (seconds unsigned)) + (define-call "fork" pid-t minusp) + (define-call "getpgid" pid-t minusp (pid pid-t)) + (define-call "getppid" pid-t never-fails) + (define-call "getpgrp" pid-t never-fails) + (define-call "getsid" pid-t minusp (pid pid-t)) + (define-call "kill" int minusp (pid pid-t) (signal int)) + (define-call "killpg" int minusp (pgrp int) (signal int)) + (define-call "pause" int minusp) + (define-call "setpgid" int minusp (pid pid-t) (pgid pid-t)) + (define-call "setpgrp" int minusp)) -(export 'sb-posix::wait :sb-posix) -(declaim (inline sb-posix::wait)) -(defun sb-posix::wait (&optional statusptr) - (declare (type (or null (simple-array (signed-byte 32) (1))) statusptr)) - (let* ((ptr (or statusptr (make-array 1 :element-type '(signed-byte 32)))) - (pid (alien-funcall - (extern-alien "wait" (function sb-posix::pid-t (* int))) - (sb-sys:vector-sap ptr)))) - (if (minusp pid) - (syscall-error) - (values pid (aref ptr 0))))) +;;(define-call "readlink" int minusp (path filename) (buf (* t)) (len int)) -(export 'sb-posix::waitpid :sb-posix) -(declaim (inline sb-posix::waitpid)) -(defun sb-posix::waitpid (pid options &optional statusptr) - (declare (type (sb-alien:alien sb-posix::pid-t) pid) - (type (sb-alien:alien int) options) - (type (or null (simple-array (signed-byte 32) (1))) statusptr)) - (let* ((ptr (or statusptr (make-array 1 :element-type '(signed-byte 32)))) - (pid (alien-funcall - (extern-alien "waitpid" (function sb-posix::pid-t - sb-posix::pid-t (* int) int)) - pid (sb-sys:vector-sap ptr) options))) - (if (minusp pid) - (syscall-error) - (values pid (aref ptr 0))))) +#-win32 +(progn + (export 'wait :sb-posix) + (declaim (inline wait)) + (defun wait (&optional statusptr) + (declare (type (or null (simple-array (signed-byte 32) (1))) statusptr)) + (let* ((ptr (or statusptr (make-array 1 :element-type '(signed-byte 32)))) + (pid (alien-funcall + (extern-alien "wait" (function pid-t (* int))) + (sb-sys:vector-sap ptr)))) + (if (minusp pid) + (syscall-error) + (values pid (aref ptr 0)))))) -;; waitpid macros -(define-call "wifexited" boolean never-fails (status int)) -(define-call "wexitstatus" int never-fails (status int)) -(define-call "wifsignaled" boolean never-fails (status int)) -(define-call "wtermsig" int never-fails (status int)) -(define-call "wifstopped" boolean never-fails (status int)) -(define-call "wstopsig" int never-fails (status int)) -#+nil ; see alien/waitpid-macros.c -(define-call "wifcontinued" boolean never-fails (status int)) +#-win32 +(progn + (export 'waitpid :sb-posix) + (declaim (inline waitpid)) + (defun waitpid (pid options &optional statusptr) + (declare (type (sb-alien:alien pid-t) pid) + (type (sb-alien:alien int) options) + (type (or null (simple-array (signed-byte 32) (1))) statusptr)) + (let* ((ptr (or statusptr (make-array 1 :element-type '(signed-byte 32)))) + (pid (alien-funcall + (extern-alien "waitpid" (function pid-t + pid-t (* int) int)) + pid (sb-sys:vector-sap ptr) options))) + (if (minusp pid) + (syscall-error) + (values pid (aref ptr 0))))) + ;; waitpid macros + (define-call "wifexited" boolean never-fails (status int)) + (define-call "wexitstatus" int never-fails (status int)) + (define-call "wifsignaled" boolean never-fails (status int)) + (define-call "wtermsig" int never-fails (status int)) + (define-call "wifstopped" boolean never-fails (status int)) + (define-call "wstopsig" int never-fails (status int)) + #+nil ; see alien/waitpid-macros.c + (define-call "wifcontinued" boolean never-fails (status int))) ;;; mmap, msync -(define-call "mmap" sb-sys:system-area-pointer - (lambda (res) - (= (sb-sys:sap-int res) #.(1- (expt 2 sb-vm::n-machine-word-bits)))) - (addr sap-or-nil) (length unsigned) (prot unsigned) - (flags unsigned) (fd file-descriptor) (offset sb-posix::off-t)) +#-win32 +(progn + (define-call "mmap" sb-sys:system-area-pointer + (lambda (res) + (= (sb-sys:sap-int res) #.(1- (expt 2 sb-vm::n-machine-word-bits)))) + (addr sap-or-nil) (length unsigned) (prot unsigned) + (flags unsigned) (fd file-descriptor) (offset off-t)) -(define-call "munmap" int minusp - (start sb-sys:system-area-pointer) (length unsigned)) + (define-call "munmap" int minusp + (start sb-sys:system-area-pointer) (length unsigned)) (define-call "msync" int minusp - (addr sb-sys:system-area-pointer) (length unsigned) (flags int)) + (addr sb-sys:system-area-pointer) (length unsigned) (flags int))) +#-win32 (define-call "getpagesize" int minusp) +#+win32 +;;; KLUDGE: This could be taken from GetSystemInfo +(export (defun getpagesize () 4096)) -(define-protocol-class sb-posix::stat sb-posix::alien-stat () - ((sb-posix::mode :initarg :mode :accessor sb-posix:stat-mode) - (sb-posix::ino :initarg :ino :accessor sb-posix:stat-ino) - (sb-posix::dev :initarg :dev :accessor sb-posix:stat-dev) - (sb-posix::nlink :initarg :nlink :accessor sb-posix:stat-nlink) - (sb-posix::uid :initarg :uid :accessor sb-posix:stat-uid) - (sb-posix::gid :initarg :gid :accessor sb-posix:stat-gid) - (sb-posix::size :initarg :size :accessor sb-posix:stat-size) - (sb-posix::atime :initarg :atime :accessor sb-posix:stat-atime) - (sb-posix::mtime :initarg :mtime :accessor sb-posix:stat-mtime) - (sb-posix::ctime :initarg :ctime :accessor sb-posix:stat-ctime))) +;;; passwd database +#-win32 +(define-protocol-class passwd alien-passwd () + ((name :initarg :name :accessor passwd-name) + (passwd :initarg :passwd :accessor passwd-passwd) + (uid :initarg :uid :accessor passwd-uid) + (gid :initarg :gid :accessor passwd-gid) + (gecos :initarg :gecos :accessor passwd-gecos) + (dir :initarg :dir :accessor passwd-dir) + (shell :initarg :shell :accessor passwd-shell))) -(defmacro define-stat-call (name arg designator-fun type) +(defmacro define-pw-call (name arg type) + #-win32 ;; FIXME: this isn't the documented way of doing this, surely? (let ((lisp-name (intern (string-upcase name) :sb-posix))) `(progn (export ',lisp-name :sb-posix) (declaim (inline ,lisp-name)) + (defun ,lisp-name (,arg) + (let ((r (alien-funcall (extern-alien ,name ,type) ,arg))) + (if (null r) + r + (alien-to-passwd r))))))) + +(define-pw-call "getpwnam" login-name (function (* alien-passwd) c-string)) +(define-pw-call "getpwuid" uid (function (* alien-passwd) uid-t)) + +(define-protocol-class stat alien-stat () + ((mode :initarg :mode :accessor stat-mode) + (ino :initarg :ino :accessor stat-ino) + (dev :initarg :dev :accessor stat-dev) + (nlink :initarg :nlink :accessor stat-nlink) + (uid :initarg :uid :accessor stat-uid) + (gid :initarg :gid :accessor stat-gid) + (size :initarg :size :accessor stat-size) + (atime :initarg :atime :accessor stat-atime) + (mtime :initarg :mtime :accessor stat-mtime) + (ctime :initarg :ctime :accessor stat-ctime))) + +(defmacro define-stat-call (name arg designator-fun type) + ;; FIXME: this isn't the documented way of doing this, surely? + (let ((lisp-name (lisp-for-c-symbol name))) + `(progn + (export ',lisp-name :sb-posix) + (declaim (inline ,lisp-name)) (defun ,lisp-name (,arg &optional stat) - (declare (type (or null (sb-alien:alien (* sb-posix::alien-stat))) stat)) - (sb-posix::with-alien-stat a-stat () - (let ((r (alien-funcall - (extern-alien ,name ,type) - (,designator-fun ,arg) - a-stat))) - (when (minusp r) - (syscall-error)) - (alien-to-stat a-stat stat))))))) + (declare (type (or null (sb-alien:alien (* alien-stat))) stat)) + (with-alien-stat a-stat () + (let ((r (alien-funcall + (extern-alien ,name ,type) + (,designator-fun ,arg) + a-stat))) + (when (minusp r) + (syscall-error)) + (alien-to-stat a-stat stat))))))) + +(define-stat-call #-win32 "stat" #+win32 "_stat" pathname filename + (function int c-string (* alien-stat))) -(define-stat-call "stat" pathname sb-posix::filename - (function int c-string (* sb-posix::alien-stat))) -(define-stat-call "lstat" pathname sb-posix::filename - (function int c-string (* sb-posix::alien-stat))) -(define-stat-call "fstat" fd sb-posix::file-descriptor - (function int int (* sb-posix::alien-stat))) +#-win32 +(define-stat-call "lstat" pathname filename + (function int c-string (* alien-stat))) +;;; No symbolic links on Windows, so use stat +#+win32 +(progn + (declaim (inline lstat)) + (export (defun lstat (filename &optional stat) + (if stat (stat filename stat) (stat filename))))) + +(define-stat-call #-win32 "fstat" #+win32 "_fstat" fd file-descriptor + (function int int (* alien-stat))) ;;; mode flags -(define-call "s_isreg" boolean never-fails (mode sb-posix::mode-t)) -(define-call "s_isdir" boolean never-fails (mode sb-posix::mode-t)) -(define-call "s_ischr" boolean never-fails (mode sb-posix::mode-t)) -(define-call "s_isblk" boolean never-fails (mode sb-posix::mode-t)) -(define-call "s_isfifo" boolean never-fails (mode sb-posix::mode-t)) -(define-call "s_islnk" boolean never-fails (mode sb-posix::mode-t)) -(define-call "s_issock" boolean never-fails (mode sb-posix::mode-t)) +(define-call "s_isreg" boolean never-fails (mode mode-t)) +(define-call "s_isdir" boolean never-fails (mode mode-t)) +(define-call "s_ischr" boolean never-fails (mode mode-t)) +(define-call "s_isblk" boolean never-fails (mode mode-t)) +(define-call "s_isfifo" boolean never-fails (mode mode-t)) +(define-call "s_islnk" boolean never-fails (mode mode-t)) +(define-call "s_issock" boolean never-fails (mode mode-t)) -(export 'sb-posix::pipe :sb-posix) -(declaim (inline sb-posix::pipe)) -(defun sb-posix::pipe (&optional filedes2) - (declare (type (or null (simple-array (signed-byte 32) (2))) filedes2)) - (unless filedes2 - (setq filedes2 (make-array 2 :element-type '(signed-byte 32)))) - (let ((r (alien-funcall - ;; FIXME: (* INT)? (ARRAY INT 2) would be better - (extern-alien "pipe" (function int (* int))) - (sb-sys:vector-sap filedes2)))) - (when (minusp r) - (syscall-error))) - (values (aref filedes2 0) (aref filedes2 1))) +#-win32 +(progn + (export 'pipe :sb-posix) + (declaim (inline pipe)) + (defun pipe (&optional filedes2) + (declare (type (or null (simple-array (signed-byte 32) (2))) filedes2)) + (unless filedes2 + (setq filedes2 (make-array 2 :element-type '(signed-byte 32)))) + (let ((r (alien-funcall + ;; FIXME: (* INT)? (ARRAY INT 2) would be better + (extern-alien "pipe" (function int (* int))) + (sb-sys:vector-sap filedes2)))) + (when (minusp r) + (syscall-error))) + (values (aref filedes2 0) (aref filedes2 1)))) + +#-win32 +(define-protocol-class termios alien-termios () + ((iflag :initarg :iflag :accessor sb-posix:termios-iflag) + (oflag :initarg :oflag :accessor sb-posix:termios-oflag) + (cflag :initarg :cflag :accessor sb-posix:termios-cflag) + (lflag :initarg :lflag :accessor sb-posix:termios-lflag) + (cc :initarg :cc :accessor sb-posix:termios-cc :array-length nccs))) -(define-protocol-class sb-posix::termios sb-posix::alien-termios () - ((sb-posix::iflag :initarg :iflag :accessor sb-posix:termios-iflag) - (sb-posix::oflag :initarg :oflag :accessor sb-posix:termios-oflag) - (sb-posix::cflag :initarg :cflag :accessor sb-posix:termios-cflag) - (sb-posix::lflag :initarg :lflag :accessor sb-posix:termios-lflag) - (sb-posix::cc :initarg :cc :accessor sb-posix:termios-cc :array-length sb-posix::nccs))) +#-win32 +(progn + (export 'tcsetattr :sb-posix) + (declaim (inline tcsetattr)) + (defun tcsetattr (fd actions termios) + (declare (type termios termios)) + (with-alien-termios a-termios () + (termios-to-alien termios a-termios) + (let ((fd (file-descriptor fd))) + (let* ((r (alien-funcall + (extern-alien + "tcsetattr" + (function int int int (* alien-termios))) + fd actions a-termios))) + (when (minusp r) + (syscall-error))) + (values)))) + (export 'tcgetattr :sb-posix) + (declaim (inline tcgetattr)) + (defun tcgetattr (fd &optional termios) + (declare (type (or null termios) termios)) + (with-alien-termios a-termios () + (let ((r (alien-funcall + (extern-alien "tcgetattr" + (function int int (* alien-termios))) + (file-descriptor fd) + a-termios))) + (when (minusp r) + (syscall-error)) + (setf termios (alien-to-termios a-termios termios)))) + termios) + (export 'cfsetispeed :sb-posix) + (declaim (inline cfsetispeed)) + (defun cfsetispeed (speed &optional termios) + (declare (type (or null termios) termios)) + (with-alien-termios a-termios () + (let ((r (alien-funcall + (extern-alien "cfsetispeed" + (function int (* alien-termios) speed-t)) + a-termios + speed))) + (when (minusp r) + (syscall-error)) + (setf termios (alien-to-termios a-termios termios)))) + termios) + (export 'cfsetospeed :sb-posix) + (declaim (inline cfsetospeed)) + (defun cfsetospeed (speed &optional termios) + (declare (type (or null termios) termios)) + (with-alien-termios a-termios () + (let ((r (alien-funcall + (extern-alien "cfsetospeed" + (function int (* alien-termios) speed-t)) + a-termios + speed))) + (when (minusp r) + (syscall-error)) + (setf termios (alien-to-termios a-termios termios)))) + termios) + (export 'cfgetispeed :sb-posix) + (declaim (inline cfgetispeed)) + (defun cfgetispeed (termios) + (declare (type termios termios)) + (with-alien-termios a-termios () + (termios-to-alien termios a-termios) + (alien-funcall (extern-alien "cfgetispeed" + (function speed-t (* alien-termios))) + a-termios))) + (export 'cfgetospeed :sb-posix) + (declaim (inline cfgetospeed)) + (defun cfgetospeed (termios) + (declare (type termios termios)) + (with-alien-termios a-termios () + (termios-to-alien termios a-termios) + (alien-funcall (extern-alien "cfgetospeed" + (function speed-t (* alien-termios))) + a-termios)))) -(export 'sb-posix::tcsetattr :sb-posix) -(declaim (inline sb-posix::tcsetattr)) -(defun sb-posix::tcsetattr (fd actions termios) - (sb-posix::with-alien-termios a-termios () - (termios-to-alien termios a-termios) - (let ((fd (sb-posix::file-descriptor fd))) - (let* ((r (alien-funcall - (extern-alien - "tcsetattr" - (function int int int (* sb-posix::alien-termios))) - fd actions a-termios))) - (when (minusp r) - (syscall-error))) - (values)))) -(export 'sb-posix::tcgetattr :sb-posix) -(declaim (inline sb-posix::tcgetattr)) -(defun sb-posix::tcgetattr (fd &optional termios) - (sb-posix::with-alien-termios a-termios () - (let ((r (alien-funcall - (extern-alien "tcgetattr" - (function int int (* sb-posix::alien-termios))) - (sb-posix::file-descriptor fd) - a-termios))) - (when (minusp r) - (syscall-error)) - (setf termios (alien-to-termios a-termios termios)))) - termios) +;;; environment + +(export 'getenv :sb-posix) +(defun getenv (name) + (let ((r (alien-funcall + (extern-alien "getenv" (function (* char) c-string)) + name))) + (declare (type (alien (* char)) r)) + (unless (null-alien r) + (cast r c-string)))) +(define-call "putenv" int minusp (string c-string))