(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))
(fcntl-without-arg fd cmd)))
(define-call "opendir" (* t) null-alien (pathname filename))
-(define-call "readdir" sb-posix::dirent
+(define-call "readdir" (* sb-posix::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).
;;; 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)
(pid sb-posix::pid-t) (pgid sb-posix::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)))))
+
+(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)))))
+
+;; 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
- ;; KLUDGE: #XFFFFFFFF is (void *)-1, which is the charming return
- ;; value of mmap on failure. Except on 64 bit systems ...
(lambda (res)
- (= (sb-sys:sap-int res) #-alpha #XFFFFFFFF #+alpha #xffffffffffffffff))
+ (= (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))