Raymond Toy pushed to branch rtoy-grand-unix-unification at cmucl / cmucl Commits: 95279cab by Raymond Toy at 2015-10-19T22:02:24Z Move over more items from unix-glibc2.lisp. These should be the last things that need to be moved. - - - - - 1 changed file: - src/code/unix.lisp Changes: ===================================== src/code/unix.lisp ===================================== --- a/src/code/unix.lisp +++ b/src/code/unix.lisp @@ -650,6 +650,20 @@ (declare (type unix-fd fd)) (int-syscall ("dup" int) fd)) +;;; Unix-dup2 makes the second file-descriptor describe the same file +;;; as the first. If the second file-descriptor points to an open +;;; file, it is first closed. In any case, the second should have a +;;; value which is a valid file-descriptor. + +(defun unix-dup2 (fd1 fd2) + _N"Unix-dup2 duplicates an existing file descriptor just as unix-dup + does only the new value of the duplicate descriptor may be requested + through the second argument. If a file already exists with the + requested descriptor number, it will be closed and the number + assigned to the duplicate." + (declare (type unix-fd fd1 fd2)) + (void-syscall ("dup2" int int) fd1 fd2)) + ;;; Unix-fcntl takes a file descriptor, an integer command ;;; number, and optional command arguments. It performs ;;; operations on the associated file and/or returns inform- @@ -686,8 +700,8 @@ #+osf1 #o100000 #-(or linux osf1) #o0004 _N"Non-blocking reads") -(defconstant FAPPEND #-linux #o0010 #+linux #o2000 _N"Append on each write") -(defconstant FASYNC #-(or linux svr4) #o0100 #+svr4 #o10000 #+linux #o20000 +(defconstant FAPPEND #-linux #o0010 #+linux o_append _N"Append on each write") +(defconstant FASYNC #-(or linux svr4) #o0100 #+svr4 #o10000 #+linux o_asyn _N"Signal pgrp when data ready") ;; doesn't exist in Linux ;-( #-linux (defconstant FCREAT #-(or hpux svr4) #o1000 #+(or hpux svr4) #o0400 @@ -907,7 +921,7 @@ ;; output modes #-bsd (def-enum ash 1 tty-opost tty-olcuc tty-onlcr tty-ocrnl tty-onocr - tty-onlret tty-ofill tty-ofdel) + tty-onlret tty-ofill tty-ofdel #+linux tty-nldly) #+bsd (def-enum ash 1 tty-opost tty-onlcr) ;; local modes @@ -1658,15 +1672,15 @@ ;;;; Support routines for dealing with unix pathnames. -(defconstant s-ifmt #o0170000) -(defconstant s-ifdir #o0040000) -(defconstant s-ifchr #o0020000) +(defconstant s-ifmt #o0170000 _N"These bits determine file type.") +(defconstant s-ifdir #o0040000 _N"Directory") +(defconstant s-ifchr #o0020000 _N"Character device") #+linux (defconstant s-ififo #o0010000 _N"FIFO") -(defconstant s-ifblk #o0060000) -(defconstant s-ifreg #o0100000) -(defconstant s-iflnk #o0120000) -(defconstant s-ifsock #o0140000) +(defconstant s-ifblk #o0060000 _N"Block device") +(defconstant s-ifreg #o0100000 _N"Regular file") +(defconstant s-iflnk #o0120000 _N"Symbolic link.") +(defconstant s-ifsock #o0140000 _N"Socket.") (defconstant s-isuid #o0004000) (defconstant s-isgid #o0002000) (defconstant s-isvtx #o0001000) @@ -2291,8 +2305,9 @@ (def-alien-type nil (struct timeval - (tv-sec #-linux time-t #+linux int) ; seconds - (tv-usec int))) ; and microseconds + (tv-sec time-t) ; seconds + (tv-usec #-linux int + #+linux time-t))) ; and microseconds (def-alien-type nil (struct timezone @@ -2609,6 +2624,7 @@ (defconstant ITIMER-VIRTUAL 1) (defconstant ITIMER-PROF 2) +#-linux (defun unix-setitimer (which int-secs int-usec val-secs val-usec) _N" Unix-setitimer sets the INTERVAL and VALUE slots of one of three system timers (:real :virtual or :profile). A SIGALRM signal @@ -2644,6 +2660,28 @@ (slot (slot itvo 'it-value) 'tv-usec)) which (alien-sap (addr itvn))(alien-sap (addr itvo)))))) +#+linux +(defun unix-getitimer (which) + _N"Unix-getitimer returns the INTERVAL and VALUE slots of one of + three system timers (:real :virtual or :profile). On success, + unix-getitimer returns 5 values, + T, it-interval-secs, it-interval-usec, it-value-secs, it-value-usec." + (declare (type (member :real :virtual :profile) which) + (values t + (unsigned-byte 29)(mod 1000000) + (unsigned-byte 29)(mod 1000000))) + (let ((which (ecase which + (:real ITIMER-REAL) + (:virtual ITIMER-VIRTUAL) + (:profile ITIMER-PROF)))) + (with-alien ((itv (struct itimerval))) + (syscall* ("getitimer" int (* (struct itimerval))) + (values T + (slot (slot itv 'it-interval) 'tv-sec) + (slot (slot itv 'it-interval) 'tv-usec) + (slot (slot itv 'it-value) 'tv-sec) + (slot (slot itv 'it-value) 'tv-usec)) + which (alien-sap (addr itv)))))) ;;;; User and group database access, POSIX Standard 9.2.2 View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/95279cabd8a73af41a1f2c2463...
participants (1)
-
Raymond Toy