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2016-11-17syscalls: 'configure-network-interface' has a #:netmask parameter.Ludovic Courtès
* guix/build/syscalls.scm (configure-network-interface): Add #:netmask keyword parameter and honor it.
2016-11-16syscalls: Add bindings for SIOCGIFNETMASK and SIOCSIFNETMASK.Ludovic Courtès
* guix/build/syscalls.scm (SIOCGIFNETMASK, SIOCSIFNETMASK): New variables. (set-network-interface-netmask, network-interface-netmask): New procedures. * tests/syscalls.scm ("network-interface-netmask lo") ("set-network-interface-netmask"): New tests.
2016-11-16syscalls: Use 'define-c-struct' for 'struct ifconf'.Ludovic Courtès
* guix/build/syscalls.scm (ifconf-struct): Remove. (%ifconf-struct): New C struct. (network-interface-names): Use 'make-bytevector' and 'write-ifconf!' instead of 'make-c-struct', and 'read-ifconf' instead of 'parse-c-struct'.
2016-11-16syscalls: C struct writer correctly handles pointer fields.Ludovic Courtès
* guix/build/syscalls.scm (write-type): Add case for '*.
2016-09-06syscalls: Use #:return-errno? when it is available.Ludovic Courtès
* guix/build/syscalls.scm (errno): Do not export. (syscall->procedure): Change to return a procedure that returns both the value and errno. Use #:return-errno? where available. (mount, umount, swapon, swapoff, mkdtemp!, fdatasync, statfs) (clone, setns, pivot-root, fcntl-flock, network-interface-names) (network-interface-flags, set-network-interface-flags) (set-network-interface-address, network-interface-address): (network-interfaces, tcgetattr, tcsetattr, terminal-window-size): Adjust accordingly using 'let-values'.
2016-09-05file-systems: Always use (guix build syscalls).Ludovic Courtès
* 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'.
2016-06-13syscalls: Use 'syscall->procedure' everywhere.Ludovic Courtès
* guix/build/syscalls.scm (mkdtemp!, setns, %ioctl, network-interfaces): (free-ifaddrs): Use 'syscall->procedure'.
2016-06-13utils: 'with-atomic-file-output' calls 'fdatasync'.Ludovic Courtès
Suggested by Danny Milosavljevic <dannym@scratchpost.org> at <https://lists.gnu.org/archive/html/guix-devel/2016-06/msg00456.html>. * guix/build/syscalls.scm (fdatasync): New procedure. * guix/utils.scm (with-atomic-file-output): Use it. Use 'close-port' instead of 'close'.
2016-05-06syscalls: Use 'define-c-struct' for 'fcntl-flock'.Ludovic Courtès
* guix/build/syscalls.scm (%struct-flock): Use 'define-c-struct'. (fcntl-flock): Use 'write-flock!' and 'make-bytevector' instead of 'make-c-struct'.
2016-05-06utils: Move 'fcntl-flock' to (guix build syscalls).Ludovic Courtès
* guix/utils.scm (%struct-flock, F_SETLKW, F_SETLK, F_xxLCK) (fcntl-flock): Move to... * guix/build/syscalls.scm: ... here. New variables. * guix/nar.scm: Adjust imports accordingly. * tests/utils.scm ("fcntl-flock wait", "fcntl-flock non-blocking"): Move to... * tests/syscalls.scm: ... here. New tests. (temp-file): New variable.
2016-05-03syscalls: Wrap TCSA* constants in 'tcsetattr-action' macro.Ludovic Courtès
* guix/build/syscalls.scm (tcsetattr-action): New macro. (TCSANOW, TCSADRAIN, TCSAFLUSH): Remove. (tcsetattr): Adjust docstring accordingly. * tests/syscalls.scm ("tcsetattr"): Adjust accordingly.
2016-05-02syscalls: Add 'tcgetattr' and 'tcsetattr' bindings.Ludovic Courtès
* guix/build/syscalls.scm (bits->symbols-body, define-bits) (local-flags): New macros. (TCSANOW, TCSADRAIN, TCSAFLUSH): New variables. (<termios>): New record type. (%termios): New C structure. (tcgetattr, tcsetattr): New procedures. * tests/syscalls.scm ("tcgetattr ENOTTY", "tcgetattr") ("tcsetattr"): New tests.
2016-05-02syscalls: Implement arrays in 'define-c-struct' and use it.Ludovic Courtès
* guix/build/syscalls.scm (sizeof*, alignof*, write-type, read-type): Add support for (array ...) forms. * guix/build/syscalls.scm (<file-system>)[spare0, spare1]: Remove. [spare]: New field. * guix/build/syscalls.scm (%statfs)[identifier]: Change to (array int 2). [spare0, spare1]: Remove. [spare]: New field.
2016-04-30syscalls: 'statfs' explicitly binds 'statfs64'.Ludovic Courtès
* guix/build/syscalls.scm (statfs): Explicitly bind "statfs64".
2016-04-30syscalls: statfs: Add missing 'mount-flags' field of 'struct statfs'.Ludovic Courtès
* guix/build/syscalls.scm (<file-system>)[mount-flags]: New field. [spare2]: Remove. (%statfs): Likewise.
2016-04-25syscalls: 'terminal-columns' catches EINVAL on the TIOCGWINSZ ioctl.Ludovic Courtès
Reported by Mark H Weaver <mhw@netris.org>. * guix/build/syscalls.scm (terminal-columns): Tolerate EINVAL. * tests/syscalls.scm ("terminal-window-size ENOTTY"): Likewise.
2016-04-25syscalls: Add 'statfs'.Ludovic Courtès
* guix/build/syscalls.scm (<file-system>): New record type. (fsword): New macro. (%statfs): New C struct. (statfs): New procedure.
2016-04-25syscalls: 'define-c-struct' computes the struct size.Ludovic Courtès
* guix/build/syscalls.scm (struct-alignment, struct-size): New macros. (define-c-struct): Add 'size' parameter and honor it. (sockaddr-in, sockaddr-in6, ifaddrs, winsize): Adjust accordingly. (%struct-ifaddrs-type, %sizeof-ifaddrs, winsize-struct): Remove. (terminal-window-size): Use 'make-bytevector' instead of 'make-c-struct'.
2016-04-25syscalls: Second argument of packed-struct read is now optional.Ludovic Courtès
* guix/build/syscalls.scm (define-c-struct)[read]: OFFSET defaults to 0. (unfold-interface-list): Remove second argument to 'read-ifaddrs'. (terminal-window-size): Remove second argument to 'read-winsize'.
2016-04-25syscalls: Move code around [NFC].Ludovic Courtès
* guix/build/syscalls.scm: Move packed structure handling to the top.
2016-04-18syscalls: If a syscall is not available, defer the error.Mark H Weaver
* guix/build/syscalls.scm (syscall->procedure): New procedure. (mount, umount, swapon, swapoff, clone, pivot-root): Use it. (clone): Add case for nonexistent syscall id. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
2016-04-16syscalls: 'terminal-columns' ignores non-file ports.Ludovic Courtès
* guix/build/syscalls.scm (terminal-columns): Call 'terminal-window-size' only when PORT is a file port. * tests/syscalls.scm ("terminal-columns non-file port"): New test.
2016-04-15syscalls: Add TIOCGWINSZ bindings.Ludovic Courtès
* guix/build/syscalls.scm (TIOCGWINSZ): New macro. (<window-size>): New record type. (winsize): New C struct. (winsize-struct): New variable. (terminal-window-size, terminal-columns): New procedures.
2016-03-25syscalls: <interface> printer correctly handles lack of sockaddr.Ludovic Courtès
Reported by Danny Milosavljevic <dannym@scratchpost.org> in <http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22612#16>. * guix/build/syscalls.scm (write-interface): Check whether ADDRESS is true.
2016-02-03syscalls: 'all-network-interface-names' accepts non-alphanumeric characters.Ludovic Courtès
This fixes interfaces with a dash or other characters being ignored. Suggested by Jookia <166291@gmail.com>. * guix/build/syscalls.scm (%interface-line): Use [[:graph:]] instead of [[:alnum:]].
2015-10-17syscalls: Fix ABI mismatch for 'clone'.Ludovic Courtès
Fixes <http://bugs.gnu.org/21694>. * guix/build/syscalls.scm (clone): Change 'syscall' parameter types to LONG, UNSIGNED-LONG, or '*; make sure it has 6 parameters. Adjust caller accordingly.
2015-09-07build: container: Use the same clone flags as fork(3).David Thompson
The intent is to make 'clone' behave a lot more like 'primitive-fork', which calls clone(2) with SIGCHLD, CLONE_CHILD_CLEARTID, and CLONE_CHILD_SETTID flags. Notably, running 'clone' at the REPL without these flags would break the REPL beyond repair. * guix/build/syscalls.scm (CLONE_CHILD_CLEARTID, CLONE_CHILD_SETTID): New variables. * gnu/build/linux-container.scm (namespaces->bit-mask): Add CLONE_CHILD_CLEARTID and CLONE_CHILD_SETTID to bit mask.
2015-09-05build: syscalls: Properly handle clone errors.David Thompson
* guix/build/syscalls.scm (clone): Catch -1 return value and throw error.
2015-08-17syscalls: setns: Skip binding if there is no such C function.David Thompson
On systems with a glibc prior to 2.14, the 'setns' function is not available. Thanks to Eric Bavier for reporting the issue. * guix/build/syscalls.scm (setns): Wrap with 'false-if-exception'.
2015-07-25syscalls: Add 'network-interfaces', which wraps libc's 'getifaddrs'.Ludovic Courtès
Based on discussions with Rohan Prinja <rohan.prinja@gmail.com>. * guix/build/syscalls.scm (<interface>): New record type. (write-interface, values->interface, unfold-interface-list, network-interfaces, free-ifaddrs): New procedures. (ifaddrs): New C struct. (%struct-ifaddrs-type, %sizeof-ifaddrs): New macros. * tests/syscalls.scm ("network-interfaces returns one or more interfaces", "network-interfaces returns \"lo\""): New tests.
2015-07-25syscalls: 'define-c-struct' properly align reads.Ludovic Courtès
* guix/build/syscalls.scm (alignof*, align): New macros. (write-types, read-types): Use 'align' to compute the actual offset to read/write a value of TYPE0.
2015-07-25syscalls: 'read-socket-address' gracefully handles unsupported families.Ludovic Courtès
* guix/build/syscalls.scm (PF_PACKET, AF_PACKET): New variables. (read-socket-address): Make 'index' optional. Return (vector FAMILY) when FAMILY is neither AF_INET nor AF_INET6.
2015-07-25syscalls: 'define-c-struct' distinguishes pointers from integers.Ludovic Courtès
* guix/build/syscalls.scm (read-type): Add special-case for when TYPE is '*.
2015-07-25syscalls: Rename 'network-interfaces' and 'all-network-interfaces'.Ludovic Courtès
* guix/build/syscalls.scm (network-interfaces): Rename to... (network-interface-names): ... this. (all-network-interfaces): Rename to... (all-network-interface-names): ... this. * gnu/services/networking.scm (dhcp-client-service): Adjust accordingly. * tests/syscalls.scm ("all-network-interfaces"): Rename to... ("all-network-interface-names"): ... this, and adjust accordingly. ("network-interfaces"): Rename to... ("network-interface-names"): ... this, and adjust accordingly.
2015-07-17syscalls: Struct deserializer can now return arbitrary objects.Ludovic Courtès
* guix/build/syscalls.scm (read-types): Add RETURN and VALUES parameters. (define-c-struct): Add WRAP-FIELDS parameter and pass it to 'read-types'. (sockaddr-in, sockaddr-in6): Add first argument that uses 'make-socket-address'. (read-socket-address): Remove 'match' on the result of 'read-sockaddr-in' and 'read-sockaddr-in6'.
2015-07-07build: syscalls: Add pivot-root.David Thompson
* guix/build/syscalls.scm (pivot-root): New procedure. * tests/syscalls.scm ("pivot-root"): New test.
2015-07-07build: syscalls: Add setns.David Thompson
* guix/build/syscalls.scm (setns): New procedure. * tests/syscalls.scm ("setns"): New test. squash: setns
2015-07-07build: syscalls: Add clone.David Thompson
* guix/build/syscalls.scm (clone): New procedure. (CLONE_NEWNS, CLONE_NEWUTS, CLONE_NEWIPC, CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET): New variables. * tests/syscalls.scm ("clone"): New test.
2015-07-07build: syscalls: Add mkdtemp!David Thompson
* guix/build/syscalls.scm (mkdtemp!): New procedure. * tests/syscalls.scm ("mkdtemp!"): New test.
2015-07-07build: syscalls: Add unmount flags.David Thompson
* guix/build/syscalls.scm (MNT_FORCE, MNT_DETACH, MNT_EXPIRE) (UMOUNT_NOFOLLOW): New variables.
2015-07-07build: syscalls: Add additional mount flags.David Thompson
* guix/build/syscalls.scm (MS_NOSUID, MS_NODEV, MS_NOEXEC, MS_STRICTATIME): New variables.
2015-05-22services: swap: Use 'restart-on-EINTR'.Ludovic Courtès
* gnu/services/base.scm (swap-service)[start, stop]: Use 'restart-on-EINTR'. * guix/build/syscalls.scm (swapoff): Fix typo in 'throw' arguments.
2015-05-22syscalls: Add 'restart-on-EINTR'.Ludovic Courtès
* guix/build/syscalls.scm (call-with-restart-on-EINTR): New procedure. (restart-on-EINTR): New macro.
2015-05-17syscalls: Add 'set-network-interface-up'.Ludovic Courtès
* guix/build/syscalls.scm (set-network-interface-up): New procedure.
2015-01-05linux-boot: Make /etc/mtab a symlink to /proc/self/mounts.宋文武
Fixes <http://bugs.gnu.org/19491>. * gnu/build/linux-boot.scm (mount-root-file-system): Make /root/etc/mtab a symlink to /proc/self/mounts. * gnu/build/file-systems.scm (mount-file-system): Don't update /etc/mtab. * guix/build/syscalls.scm (mount, umount): Have #:update-mtab? default to #f.
2014-12-19syscalls: Add more procedures for network interfaces.Ludovic Courtès
* guix/build/syscalls.scm (sizeof*, type-size, write-type, write-types, read-type, read-types, define-c-struct): New macros. (SIOCSIFFLAGS, SIOCGIFADDR, SIOCSIFADDR): New variables. (sockaddr-in, sockaddr-in6): New C structs. (write-socket-address!, read-socket-address, set-network-interface-flags, set-network-interface-address, network-interface-address, configure-network-interface): New procedures.
2014-11-14syscalls: Update /etc/mtab, not /etc/fstab.Ludovic Courtès
* guix/build/syscalls.scm (remove-from-mtab): Replace "fstab" with "mtab".
2014-11-10syscalls: Add 'mount-points'.Ludovic Courtès
* guix/build/syscalls.scm (mount-points): New procedure. * tests/syscalls.scm ("mount-points"): New test.
2014-09-22syscalls: Adjust /proc/net/dev parser for old kernels.Ludovic Courtès
* guix/build/syscalls.scm (%interface-line): Remove whitespace in rest pattern. (There's no extra whitespace after the colon with Linux 2.6.32.)
2014-09-18syscalls: Add 'swapon' and 'swapoff'.Ludovic Courtès
* guix/build/syscalls.scm (swapon, swapoff): New procedures. * tests/syscalls.scm ("swapon, ENOENT/EPERM", "swapoff, EINVAL/EPERM"): New tests.
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