From ccb060a1e03d9c69e3d86b0f236c076832665192 Mon Sep 17 00:00:00 2001
From: Stefan Israelsson Tampe <stefan.itampe@gmail.com>
Date: Tue, 20 Mar 2018 07:37:28 +0100
Subject: ...

---
 modules/language/python/compile.scm   |   6 +-
 modules/language/python/module/os.scm | 171 +++++++++++++++++++---------------
 2 files changed, 100 insertions(+), 77 deletions(-)

(limited to 'modules/language')

diff --git a/modules/language/python/compile.scm b/modules/language/python/compile.scm
index d0e1ca5..95878a4 100644
--- a/modules/language/python/compile.scm
+++ b/modules/language/python/compile.scm
@@ -46,16 +46,16 @@
   (lambda (x)
     (catch #t
       (lambda ()
-	(set! (@@ (system base message) %dont-warn-list) '()))
+	(fluid-set! (@@ (system base message) %dont-warn-list) '()))
       (lambda x (pre)))
     #f))
 
 (define (dont-warn v)
   (catch #t
     (lambda ()
-      (set! (@@ (system base message) %dont-warn-list)
+      (fluid-set! (@@ (system base message) %dont-warn-list)
 	    (cons v
-		  (@@ (system base message) %dont-warn-list))))
+		  (fluid-ref (@@ (system base message) %dont-warn-list)))))
     (lambda x (values))))
 
 (define *prefixes* (make-fluid '()))
diff --git a/modules/language/python/module/os.scm b/modules/language/python/module/os.scm
index 6639b1d..3d8b852 100644
--- a/modules/language/python/module/os.scm
+++ b/modules/language/python/module/os.scm
@@ -82,9 +82,19 @@
                   sched_setscheduler sched_getscheduler sched_setparam
                   sched_getparam sched_rr_get_intervall sched_yield
                   sched_setaffinity sched_getaffinity
-                  
+
+                  supports_dir_fs support_effective_ids supports_fd
                   ))
 
+(define supports_dir_fs
+  (py-set '()))
+
+(define support_effective_ids
+  (py-set '()))
+
+(define supports_fd
+  (py-set '()))
+
 (define error OSError)
 (define errno
   (let ((f (dynamic-pointer "errno" (dynamic-link))))
@@ -102,14 +112,36 @@
         (raise error (errno) ((@ (guile) strerror) (errno)))
         (values))))
 
-(define-syntax-rule (defineu f x)
-  (define f
-    (catch #t
-      (lambda () x)
-      (lambda z
-        (let ((message (format #f "could not define ~a" 'f)))
-          (warn message)
-          (lambda z (error message)))))))
+(define (py-add s x)
+  ((ref s 'add) x))
+
+(define-syntax reg
+  (syntax-rules ()
+    ((_ () f)
+     (values))
+    ((_ (0 . l) f)
+     (begin
+       (py-add supports_dir_fs (symbol->string 'f))
+       (reg l f)))
+    ((_ (1 . l) f)
+     (begin
+       (py-add support_effective_ids (symbol->string 'f))
+       (reg l f)))
+    ((_ (2 . l) f)
+     (begin
+       (py-add supports_fd (symbol->string 'f))
+       (reg l f)))))
+
+(define-syntax-rule (defineu f a x)
+  (begin
+    (define f
+      (catch #t
+        (lambda () x)
+        (lambda z
+          (let ((message (format #f "could not define ~a" 'f)))
+            (warn message)
+            (lambda z (error message))))))
+    (reg a f)))
 
 (define-syntax guile
   (syntax-rules ()
@@ -284,7 +316,7 @@
 (guile getpriority)
 
 (define getresgid #f)
-(defineu getresgid
+(defineu getresgid ()
   (let* ((f  (pointer->procedure
               void
               (dynamic-func "getresgid" (dynamic-link))
@@ -306,7 +338,7 @@
 (guile getuid)
 
 (define initgroups #f)
-(defineu initgroups
+(defineu initgroups ()
   (let ((f (pointer->procedure
             int
             (dynamic-func "initgroups" (dynamic-link))
@@ -324,7 +356,7 @@
 
 (guile setgroups)
 (define setpgrp #f)
-(defineu setpgrp
+(defineu setpgrp ()
   (let ((f (pointer->procedure int
                                (dynamic-func "setpgrp" (dynamic-link))
                                '())))
@@ -351,7 +383,7 @@
       (rm (f a b c)))))
 
 (define setreuid #f)
-(defineu setreuid
+(defineu setreuid ()
   (let ((f (pointer->procedure int
                                (dynamic-func "setreuid" (dynamic-link))
                                (list int int))))
@@ -359,7 +391,7 @@
       (rm (f a b)))))
 
 (define setresuid #f)
-(defineu setresuid
+(defineu setresuid ()
   (let ((f (pointer->procedure int
                                (dynamic-func "setresuid" (dynamic-link))
                                (list int int int))))
@@ -468,7 +500,7 @@
 (define F_TEST  3)
 
 (define lockf #f)
-(defineu lockf
+(defineu lockf (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "lockf" (dynamic-link))
                                (list int int long))))
@@ -484,7 +516,7 @@
 (define SEEK_HOLE #x4)
 
 (define lseek  #f)
-(defineu lseek 
+(defineu lseek (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "lseek" (dynamic-link))
                                (list int long int))))
@@ -541,7 +573,7 @@
     (values (car x) (cdr x))))
 
 (define pipe2 #f)
-(defineu pipe2
+(defineu pipe2 ()
   (let ((f (pointer->procedure int
                                (dynamic-func "pipe2" (dynamic-link))
                                (list int '* int))))
@@ -554,7 +586,7 @@
 
 
 (define posix_fallocate #f)
-(defineu posix_fallocate
+(defineu posix_fallocate (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "posix_fallocate" (dynamic-link))
                                (list int long long))))
@@ -562,7 +594,7 @@
       (rm (f fd off len)))))
 
 (define posix_fadvise #f)
-(defineu posix_fadvise
+(defineu posix_fadvise (2)
    (let ((f (pointer->procedure int
                                (dynamic-func "posix_fadvise" (dynamic-link))
                                (list int long long int))))
@@ -577,7 +609,7 @@
 (define POSIX_FADV_NOREUSE    5)
 
 (define pread #f)
-(defineu pread
+(defineu pread (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "pread" (dynamic-link))
                                (list int '* long long))))
@@ -594,7 +626,7 @@
                 o)))))))
 
 (define pwrite #f)
-(defineu pwrite
+(defineu pwrite (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "pwrite" (dynamic-link))
                                (list int '* long long))))
@@ -604,7 +636,7 @@
         (rm (f fd ap (len a) offset))))))
 
 (define read #f)
-(defineu read
+(defineu read (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "read" (dynamic-link))
                                (list int '* long))))
@@ -631,12 +663,12 @@
 
 (define fcntl2 #f)
 (define fcntl3 #f)
-(defineu fcntl2 (pointer->procedure int
-                                    (dynamic-func "fcntl" (dynamic-link))
-                                   (list int int)))
-(defineu fcntl3 (pointer->procedure int
-                                    (dynamic-func "fcntl" (dynamic-link))
-                                    (list int int int)))
+(defineu fcntl2 () (pointer->procedure int
+                                       (dynamic-func "fcntl" (dynamic-link))
+                                       (list int int)))
+(defineu fcntl3 () (pointer->procedure int
+                                       (dynamic-func "fcntl" (dynamic-link))
+                                       (list int int int)))
 
 (define (set_blocking fd is-blocking?)
   (let ((o (rm (fcntl2 fd F_GETFL))))
@@ -655,7 +687,7 @@
 (guile (fd)    ttyname)
 
 (define write #f)
-(defineu write
+(defineu write (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "write" (dynamic-link))
                                (list int '* long))))
@@ -689,7 +721,7 @@
 (define X_OK (@ (guile) X_OK))
 
 (define access #f)
-(defineu access
+(defineu access (0 1)
   (let ((f  (pointer->procedure int
                                (dynamic-func "access" (dynamic-link))
                                (list '* int)))
@@ -709,7 +741,7 @@
 
 
 (define chdir #f)
-(defineu chdir
+(defineu chdir (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "chdir" (dynamic-link))
                                '(*))))
@@ -726,7 +758,7 @@
   (lambda x (error "Not implemented")))
 
 (define chmod (lambda x #f))
-(defineu chmod
+(defineu chmod (0 2)
   (let ((f   (pointer->procedure int
                                  (dynamic-func "chmod" (dynamic-link))
                                  (list '* int)))
@@ -758,7 +790,7 @@
        path))
 
 (define chown (lambda x #f))
-(defineu chown
+(defineu chown (0 2)
   (let ((f   (pointer->procedure int
                                  (dynamic-func "chown" (dynamic-link))
                                  (list '* int int)))
@@ -804,7 +836,7 @@
 (define AT_FDCWD -100)
 
 (define link #f)
-(defineu link
+(defineu link (0)
   (let ((f (pointer->procedure int
                                (dynamic-func "linkat" (dynamic-link))
                                  (list '* '* int int int))))
@@ -843,7 +875,7 @@
           (lambda x (closedir o)))))))
 
 (define stat (lambda x #f))
-(defineu stat
+(defineu stat (0 2)
   (let ((f (pointer->procedure int
                                (dynamic-func "__fxstatat" (dynamic-link))
                                (list int int '* '* int)))
@@ -873,7 +905,7 @@
     (stat path #:dir_fd dir_fd #:follow_symlinks #f)))
 
 (define mkdir #f)
-(defineu mkdir
+(defineu mkdir (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "mkdirat" (dynamic-link))
                                  (list int '* int))))
@@ -906,7 +938,7 @@
          (lp s l))))))
 
 (define mkfifo #f)
-(defineu mkfifo
+(defineu mkfifo (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "mkfifoat" (dynamic-link))
                                  (list int '* int))))
@@ -916,7 +948,7 @@
                mode)))))
 
 (define mknod #f)
-(defineu mknod
+(defineu mknod (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "__xmknodat" (dynamic-link))
                                  (list int int '* int))))
@@ -927,7 +959,7 @@
                device)))))
 
 (define major #f)
-(defineu major
+(defineu major ()
   (let ((f (pointer->procedure int
                                (dynamic-func "gnu_dev_major" (dynamic-link))
                                (list int64))))
@@ -935,7 +967,7 @@
       (ca (f device)))))
 
 (define minor #f)
-(defineu minor
+(defineu minor ()
   (let ((f (pointer->procedure int
                                (dynamic-func "gnu_dev_minor" (dynamic-link))
                                (list int64))))
@@ -943,7 +975,7 @@
       (ca (f device)))))
 
 (define makedev #f)
-(defineu makedev
+(defineu makedev ()
   (let ((f (pointer->procedure int64
                                (dynamic-func "gnu_dev_makedev" (dynamic-link))
                                (list int int))))
@@ -973,7 +1005,7 @@
 
 
 (define pathconf #f)
-(defineu pathconf
+(defineu pathconf (2)
   (let ((f (pointer->procedure long
                                (dynamic-func "pathconf" (dynamic-link))
                                (list '* int)))
@@ -988,7 +1020,7 @@
               (rmp (f (string->pointer path) ni))))))))
 
 (define readlink #f)
-(defineu readlink
+(defineu readlink (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "readlinkat" (dynamic-link))
                                  (list int '* '* long))))
@@ -1004,7 +1036,7 @@
         (pointer->string bvp)))))
 
 (define remove #f)
-(defineu remove
+(defineu remove (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "unlinkat" (dynamic-link))
                                  (list int '* int))))
@@ -1037,7 +1069,7 @@
             (lp (cdr l)))))))
 
 (define rename #f)
-(defineu rename
+(defineu rename (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "renameat" (dynamic-link))
                                  (list int '* int '*))))
@@ -1164,7 +1196,7 @@
        (list a1 a2 a3 a4 a5 a6 a7 a8 a9 a10)))))
 
 (define statvfs #f)
-(defineu statvfs
+(defineu statvfs (2)
   (let ((f (pointer->procedure int
                                (dynamic-func "statvfs" (dynamic-link))
                                (list '* '*)))
@@ -1191,7 +1223,7 @@
          (bytevector-u64-ref bv (* 10 8) (native-endianness)))))))
 
 (define symlink #f)
-(defineu symlink
+(defineu symlink (0)
   (let ((fat (pointer->procedure int
                                  (dynamic-func "symlinkat" (dynamic-link))
                                  (list '* int '*))))
@@ -1202,7 +1234,7 @@
                 (string->pointer (path-it src))))))))
 
 (define truncate #f)
-(defineu truncate
+(defineu truncate (2)
   (let ((ff (pointer->procedure int
                                 (dynamic-func "ftruncate" (dynamic-link))
                                 (list int long)))
@@ -1219,7 +1251,7 @@
 (define UTIME_NOW (- (ash 1 30) 1))
 
 (define utime #f)
-(defineu utime
+(defineu utime (0 2)
   (let ((ff  (pointer->procedure int
                                  (dynamic-func "futimes" (dynamic-link))
                                  (list int '*)))
@@ -1428,7 +1460,7 @@
 
 ;; Extended attributes
 (define getxattr #f)
-(defineu getxattr
+(defineu getxattr (2)
   (let ((f   (pointer->procedure int
                                 (dynamic-func "getxattr" (dynamic-link))
                                 (list '* '* '* int)))
@@ -1456,7 +1488,7 @@
                    (pointer->string pv)))))))))
 
 (define listxattr #f)
-(defineu listxattr
+(defineu listxattr (2)
   (let ((f  (pointer->procedure int
                                 (dynamic-func "listxattr" (dynamic-link))
                                 (list '* '* int)))
@@ -1507,7 +1539,7 @@
                         (pylist (reverse l))))))))))))
 
 (define removexattr #f)
-(defineu removexattr
+(defineu removexattr (2)
   (let ((f  (pointer->procedure int
                                 (dynamic-func "removexattr" (dynamic-link))
                                 (list '* '*)))
@@ -1529,7 +1561,7 @@
                     (lf path k))))))))
 
 (define setxattr #f)
-(defineu setxattr
+(defineu setxattr (2)
   (let ((f  (pointer->procedure int
                                 (dynamic-func "setxattr" (dynamic-link))
                                 (list '* '* '* int int)))
@@ -1754,7 +1786,7 @@
               (ref self 'si_status)))))
       
 (define waitid #f)
-(defineu waitid
+(defineu waitid ()
   (let ((f (pointer->procedure int
                                 (dynamic-func "waitid" (dynamic-link))
                                 (list int int '* int))))
@@ -1794,7 +1826,7 @@
   (ca ((@ (guile) waitpid) pid options)))
 
 (define wait3 #f)
-(defineu wait3
+(defineu wait3 ()
   (let ((f (pointer->procedure int
                                 (dynamic-func "wait3" (dynamic-link))
                                 (list '* int '*))))
@@ -1810,7 +1842,7 @@
                 (ResUsage v)))))))
 
 (define wait4 #f)
-(defineu wait4
+(defineu wait4 ()
   (let ((f (pointer->procedure int
                                (dynamic-func "wait4" (dynamic-link))
                                (list int '* int '*))))
@@ -1856,7 +1888,7 @@
           (set self 'sched_priority v)))))
 
 (define sched_get_priority_min #f)
-(defineu sched_get_priority_min
+(defineu sched_get_priority_min ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_get_priority_min"
                                              (dynamic-link))
@@ -1864,7 +1896,7 @@
     (lambda (policy) (rm (f policy)))))
 
 (define sched_get_priority_max #f)
-(defineu sched_get_priority_max
+(defineu sched_get_priority_max ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_get_priority_max"
                                              (dynamic-link))
@@ -1872,7 +1904,7 @@
     (lambda (policy) (rm (f policy)))))
 
 (define sched_setscheduler #f)
-(defineu sched_setscheduler
+(defineu sched_setscheduler ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_setscheduler"
                                              (dynamic-link))
@@ -1885,7 +1917,7 @@
         (rm (f pid policy vp))))))
 
 (define sched_getscheduler #f)
-(defineu sched_getscheduler
+(defineu sched_getscheduler ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_getscheduler"
                                              (dynamic-link))
@@ -1894,7 +1926,7 @@
       (ca (f pid)))))
 
 (define sched_setparam #f)
-(defineu sched_setparam
+(defineu sched_setparam ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_setparam"
                                              (dynamic-link))
@@ -1907,7 +1939,7 @@
         (rm (f pid vp))))))
 
 (define sched_getparam #f)
-(defineu sched_getparam
+(defineu sched_getparam ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_getparam"
                                              (dynamic-link))
@@ -1922,7 +1954,7 @@
   (lambda x (error "not implemented")))
 
 (define sched_yield #f)
-(defineu sched_yield
+(defineu sched_yield ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_yield"
                                              (dynamic-link))
@@ -1930,7 +1962,7 @@
     (lambda () (rm (f)))))
 
 (define sched_setaffinity#f)
-(defineu sched_setaffinity
+(defineu sched_setaffinity ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_setaffinity"
                                              (dynamic-link))
@@ -1946,7 +1978,7 @@
         (rm (f pid (/ n 8) vp))))))
 
 (define sched_getaffinity #f)
-(defineu sched_getaffinity
+(defineu sched_getaffinity ()
   (let ((f (pointer->procedure int
                                (dynamic-func "sched_getaffinity"
                                              (dynamic-link))
@@ -1965,12 +1997,3 @@
               
 
 ;; MISC SYSTEM INFORMATION
-
-(define supprts_dir_fs
-  (py-set '()))
-
-(define support_effective_ids
-  (py-set '()))
-
-(define supports_fd
-  (py-set '()))
-- 
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