branch master updated (a800018 -> 5cd25aa)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  a800018   gnu: python2-pysnptools: Update to 0.3.9.
       new  f489ce3   Add "TasksMax=1024" in 'guix-daemon.service'.
       new  73f38d5   syscalls: Move code around [NFC].
       new  f77863a   syscalls: Second argument of packed-struct read is now 
optional.
       new  785cfa8   syscalls: 'define-c-struct' computes the struct size.
       new  a1f7087   syscalls: Add 'statfs'.
       new  0054e47   guix gc: Add '--free-space'.
       new  5cd25aa   syscalls: 'terminal-columns' catches EINVAL on the 
TIOCGWINSZ ioctl.

The 7 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 doc/guix.texi              |    9 ++
 etc/guix-daemon.service.in |    3 +
 guix/build/syscalls.scm    |  343 +++++++++++++++++++++++++++++---------------
 guix/scripts/gc.scm        |   33 ++++-
 tests/syscalls.scm         |   22 ++-
 5 files changed, 283 insertions(+), 127 deletions(-)