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authorLudovic Courtès <ludo@gnu.org>2016-09-04 23:39:17 +0200
committerLudovic Courtès <ludo@gnu.org>2016-09-05 00:06:47 +0200
commit2ff0da025745dd4ddce45d34c89fdf39190f9104 (patch)
tree36515db668ef54699039c6daf1cfacd06d9cdf38 /gnu/build/file-systems.scm
parent14d5ca2e2e57643b6b4acfb980b18b7474c27e7b (diff)
downloadguix-2ff0da025745dd4ddce45d34c89fdf39190f9104.tar
guix-2ff0da025745dd4ddce45d34c89fdf39190f9104.tar.gz
file-systems: Always use (guix build syscalls).
* gnu/build/file-systems.scm: Use (guix build syscalls) unconditionally. Override the 'mount' and 'umount' bindings when (guile) provides them. (MS_RDONLY, MS_NOSUID, MS_NODEV, MS_NOEXEC, MS_REMOUNT) (MS_BIND, MS_MOVE): Remove. * guix/build/syscalls.scm (%libc-errno-pointer): Add 'false-if-exception' around 'dynamic-func'.
Diffstat (limited to 'gnu/build/file-systems.scm')
-rw-r--r--gnu/build/file-systems.scm34
1 files changed, 12 insertions, 22 deletions
diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm
index f277cbfa34..f1fccbdf2e 100644
--- a/gnu/build/file-systems.scm
+++ b/gnu/build/file-systems.scm
@@ -19,6 +19,7 @@
(define-module (gnu build file-systems)
#:use-module (guix build utils)
#:use-module (guix build bournish)
+ #:use-module (guix build syscalls)
#:use-module (rnrs io ports)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 match)
@@ -41,17 +42,16 @@
uuid->string
string->uuid
- MS_RDONLY
- MS_NOSUID
- MS_NODEV
- MS_NOEXEC
- MS_BIND
- MS_MOVE
bind-mount
mount-flags->bit-mask
check-file-system
- mount-file-system))
+ mount-file-system)
+ #:re-export (mount
+ umount
+ MS_BIND
+ MS_MOVE
+ MS_RDONLY))
;;; Commentary:
;;;
@@ -61,21 +61,11 @@
;;; Code:
;; 'mount' is already defined in the statically linked Guile used for initial
-;; RAM disks, but in all other cases the (guix build syscalls) module contains
-;; the mount binding.
-(eval-when (expand load eval)
- (unless (defined? 'mount)
- (module-use! (current-module)
- (resolve-interface '(guix build syscalls)))))
-
-;; Linux mount flags, from libc's <sys/mount.h>.
-(define MS_RDONLY 1)
-(define MS_NOSUID 2)
-(define MS_NODEV 4)
-(define MS_NOEXEC 8)
-(define MS_REMOUNT 32)
-(define MS_BIND 4096)
-(define MS_MOVE 8192)
+;; RAM disks, in which case the bindings in (guix build syscalls) do not work
+;; (the FFI bindings do not work there). Override them in that case.
+(when (module-defined? the-scm-module 'mount)
+ (set! mount (@ (guile) mount))
+ (set! umount (@ (guile) umount)))
(define (bind-mount source target)
"Bind-mount SOURCE at TARGET."