1 (cl:in-package :sb-posix-internal)
3 (define-condition sb-posix::syscall-error (error)
4 ((errno :initarg :errno :reader sb-posix::syscall-errno))
6 (let ((errno (sb-posix::syscall-errno c)))
7 (format s "System call error ~A (~A)"
8 errno (sb-int:strerror errno))))))
10 (defun syscall-error ()
11 (error 'sb-posix:syscall-error :errno (get-errno)))
15 (define-call "access" int minusp (pathname filename) (mode int))
16 (define-call "chdir" int minusp (pathname filename))
17 (define-call "chmod" int minusp (pathname filename) (mode sb-posix::mode-t))
18 (define-call "chown" int minusp (pathname filename)
19 (owner sb-posix::uid-t) (group sb-posix::gid-t))
20 (define-call "close" int minusp (fd file-descriptor))
21 (define-call "dup" int minusp (oldfd file-descriptor))
22 (define-call "dup2" int minusp (oldfd file-descriptor) (newfd file-descriptor))
23 (define-call "fchdir" int minusp (fd file-descriptor))
24 (define-call "fchmod" int minusp (fd file-descriptor) (mode sb-posix::mode-t))
25 (define-call "fchown" int minusp (fd file-descriptor)
26 (owner sb-posix::uid-t) (group sb-posix::gid-t))
27 (define-call "link" int minusp (oldpath filename) (newpath filename))
28 ;;; no lchown on Darwin
30 (define-call "lchown" int minusp (pathname filename)
31 (owner sb-posix::uid-t) (group sb-posix::gid-t))
32 (define-call "mkdir" int minusp (pathname filename) (mode sb-posix::mode-t))
33 ;;(define-call "readlink" int minusp (path filename) (buf (* t)) (len int))
34 (define-call "rmdir" int minusp (pathname filename))
35 (define-call "symlink" int minusp (oldpath filename) (newpath filename))
36 (define-call "unlink" int minusp (pathname filename))
38 (define-call "opendir" (* t) null-alien (pathname filename))
39 (define-call "readdir" (* t)
40 ;; readdir() has the worst error convention in the world. It's just
41 ;; too painful to support. (return is NULL _and_ errno "unchanged"
42 ;; is not an error, it's EOF).
45 (define-call "closedir" int minusp (dir (* t)))
49 (define-call "geteuid" sb-posix::uid-t not) ;"always successful", it says
50 #+linux (define-call "getresuid" sb-posix::uid-t not)
51 (define-call "getuid" sb-posix::uid-t not)
52 (define-call "seteuid" int minusp (uid sb-posix::uid-t))
53 #+linux (define-call "setfsuid" int minusp (uid sb-posix::uid-t))
54 (define-call "setreuid" int minusp
55 (ruid sb-posix::uid-t) (euid sb-posix::uid-t))
56 #+linux (define-call "setresuid" int minusp
57 (ruid sb-posix::uid-t) (euid sb-posix::uid-t)
58 (suid sb-posix::uid-t))
59 (define-call "setuid" int minusp (uid sb-posix::uid-t))
61 (define-call "getegid" sb-posix::gid-t not)
62 (define-call "getgid" sb-posix::gid-t not)
63 #+linux (define-call "getresgid" sb-posix::gid-t not)
64 (define-call "setegid" int minusp (gid sb-posix::gid-t))
65 #+linux (define-call "setfsgid" int minusp (gid sb-posix::gid-t))
66 (define-call "setgid" int minusp (gid sb-posix::gid-t))
67 (define-call "setregid" int minusp
68 (rgid sb-posix::gid-t) (egid sb-posix::gid-t))
69 #+linux (define-call "setresgid" int minusp
70 (rgid sb-posix::gid-t)
71 (egid sb-posix::gid-t) (sgid sb-posix::gid-t))
73 ;;; processes, signals
74 (define-call "alarm" int not (seconds unsigned))
75 (define-call "getpgid" sb-posix::pid-t minusp (pid sb-posix::pid-t))
76 (define-call "getpid" sb-posix::pid-t not)
77 (define-call "getppid" sb-posix::pid-t not)
78 (define-call "getpgrp" sb-posix::pid-t not)
79 (define-call "getsid" sb-posix::pid-t minusp (pid sb-posix::pid-t))
80 (define-call "kill" int minusp (pid sb-posix::pid-t) (signal int))
81 (define-call "killpg" int minusp (pgrp int) (signal int))
82 (define-call "pause" int minusp)
83 (define-call "setpgid" int minusp
84 (pid sb-posix::pid-t) (pgid sb-posix::pid-t))
85 (define-call "setpgrp" int minusp)
88 (define-call "mmap" sb-sys:system-area-pointer
89 ;; KLUDGE: #XFFFFFFFF is (void *)-1, which is the charming return
90 ;; value of mmap on failure. Except on 64 bit systems ...
92 (= (sb-sys:sap-int res) #-alpha #XFFFFFFFF #+alpha #xffffffffffffffff))
93 (addr sap-or-nil) (length unsigned) (prot unsigned)
94 (flags unsigned) (fd file-descriptor) (offset sb-posix::off-t))
96 (define-call "munmap" int minusp
97 (start sb-sys:system-area-pointer) (length unsigned))
99 (define-call "msync" int minusp
100 (addr sb-sys:system-area-pointer) (length unsigned) (flags int))
102 (define-call "getpagesize" int minusp)