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2015-10-17syscalls: Fix ABI mismatch for 'clone'....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. Ludovic Courtès
2015-09-07build: container: Use the same clone flags as fork(3)....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. David Thompson
2015-09-05build: syscalls: Properly handle clone errors....* guix/build/syscalls.scm (clone): Catch -1 return value and throw error. David Thompson
2015-08-17syscalls: setns: Skip binding if there is no such C function....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'. David Thompson
2015-07-25syscalls: Add 'network-interfaces', which wraps libc's 'getifaddrs'....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. Ludovic Courtès
2015-07-25syscalls: 'define-c-struct' properly align reads....* 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. Ludovic Courtès
2015-07-25syscalls: 'read-socket-address' gracefully handles unsupported families....* 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. Ludovic Courtès
2015-07-25syscalls: 'define-c-struct' distinguishes pointers from integers....* guix/build/syscalls.scm (read-type): Add special-case for when TYPE is '*. Ludovic Courtès
2015-07-25syscalls: Rename 'network-interfaces' and 'all-network-interfaces'....* 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. Ludovic Courtès
2015-07-17syscalls: Struct deserializer can now return arbitrary objects....* 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'. Ludovic Courtès
2015-07-07build: syscalls: Add pivot-root....* guix/build/syscalls.scm (pivot-root): New procedure. * tests/syscalls.scm ("pivot-root"): New test. David Thompson
2015-07-07build: syscalls: Add setns....* guix/build/syscalls.scm (setns): New procedure. * tests/syscalls.scm ("setns"): New test. squash: setns David Thompson
2015-07-07build: syscalls: Add clone....* 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. David Thompson
2015-07-07build: syscalls: Add mkdtemp!...* guix/build/syscalls.scm (mkdtemp!): New procedure. * tests/syscalls.scm ("mkdtemp!"): New test. David Thompson
2015-07-07build: syscalls: Add unmount flags....* guix/build/syscalls.scm (MNT_FORCE, MNT_DETACH, MNT_EXPIRE) (UMOUNT_NOFOLLOW): New variables. David Thompson
2015-07-07build: syscalls: Add additional mount flags....* guix/build/syscalls.scm (MS_NOSUID, MS_NODEV, MS_NOEXEC, MS_STRICTATIME): New variables. David Thompson
2015-05-22services: swap: Use 'restart-on-EINTR'....* gnu/services/base.scm (swap-service)[start, stop]: Use 'restart-on-EINTR'. * guix/build/syscalls.scm (swapoff): Fix typo in 'throw' arguments. Ludovic Courtès
2015-05-22syscalls: Add 'restart-on-EINTR'....* guix/build/syscalls.scm (call-with-restart-on-EINTR): New procedure. (restart-on-EINTR): New macro. Ludovic Courtès
2015-05-17syscalls: Add 'set-network-interface-up'....* guix/build/syscalls.scm (set-network-interface-up): New procedure. Ludovic Courtès
2015-01-05linux-boot: Make /etc/mtab a symlink to /proc/self/mounts....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. 宋文武
2014-12-19syscalls: Add more procedures for network interfaces....* 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. Ludovic Courtès
2014-11-14syscalls: Update /etc/mtab, not /etc/fstab....* guix/build/syscalls.scm (remove-from-mtab): Replace "fstab" with "mtab". Ludovic Courtès
2014-11-10syscalls: Add 'mount-points'....* guix/build/syscalls.scm (mount-points): New procedure. * tests/syscalls.scm ("mount-points"): New test. Ludovic Courtès
2014-09-22syscalls: Adjust /proc/net/dev parser for old kernels....* guix/build/syscalls.scm (%interface-line): Remove whitespace in rest pattern. (There's no extra whitespace after the colon with Linux 2.6.32.) Ludovic Courtès
2014-09-18syscalls: Add 'swapon' and 'swapoff'....* guix/build/syscalls.scm (swapon, swapoff): New procedures. * tests/syscalls.scm ("swapon, ENOENT/EPERM", "swapoff, EINVAL/EPERM"): New tests. Ludovic Courtès
2014-09-14syscalls: Add 'all-network-interfaces'....* guix/build/syscalls.scm (network-interfaces): Update docstring. (%interface-line): New variable. (all-network-interfaces): New procedure. * tests/syscalls.scm ("all-network-interfaces"): New test. ("network-interfaces"): Change to make sure the result is a subset of (all-network-interfaces). Ludovic Courtès
2014-09-14syscalls: Add 'network-interface-flags'....* guix/build/syscalls.scm (SIOCGIFFLAGS, IFF_UP, IFF_BROADCAST, IFF_LOOPBACK, IF_NAMESIZE): New variables. (network-interface-flags, loopback-network-interface?): New procedures. * tests/syscalls.scm ("network-interface-flags", "loopback-network-interface?"): New tests. Ludovic Courtès
2014-09-14syscalls: Add 'network-interfaces'....* guix/build/syscalls.scm (SIOCGIFCONF, ifconf-struct, ifreq-struct-size): New variables. (%ioctl, bytevector->string-list, network-interfaces): New procedures. * tests/syscalls.scm ("network-interfaces"): New test. Ludovic Courtès
2014-05-14syscalls: Add 'processes' to list all the live processes....* guix/build/syscalls.scm (kernel?, processes): New procedures. Ludovic Courtès
2014-05-10Add (guix build syscalls)....* guix/build/syscalls.scm, tests/syscalls.scm: New files. * Makefile.am (MODULES): Add guix/build/syscalls.scm. (SCM_TESTS): Add tests/syscalls.scm. * guix/utils.scm (%libc-errno-pointer, errno): Remove; take from (guix build syscalls). Ludovic Courtès
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