;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2012, 2013, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017, 2024 Efraim Flashner <efraim@flashner.co.il>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu packages libsigsegv)
  #:use-module (guix licenses)
  #:use-module (guix packages)
  #:use-module (guix download)
  #:use-module (guix utils)
  #:use-module (guix build-system gnu))

(define-public libsigsegv
  (package
   (name "libsigsegv")
   (version "2.14")
   (source (origin
            (method url-fetch)
            (uri (string-append
                  "mirror://gnu/libsigsegv/libsigsegv-"
                  version ".tar.gz"))
            (sha256
             (base32 "15d2r831xz94s7540nvb1gbfl062g7mrnj88m60wyr1kh10kkb6d"))))
   (build-system gnu-build-system)
   (home-page "https://www.gnu.org/software/libsigsegv/")
   (synopsis "Library for handling page faults")
   (arguments
    `(;; The shared library isn't built by default but some packages need it.
      #:configure-flags '("--enable-shared")
      ;; On some architectures 'struct sigcontext' gets redefined from
      ;; %linux-libre-headers/include/asm/sigcontext.h
      ,@(cond ((%current-target-system)
               `(#:phases (modify-phases %standard-phases
                            (add-before 'configure 'patch-asm-sigcontext-h
                              (lambda _
                                (substitute* (find-files "src" "^fault-.*-old\\.h$")
                                  (("#include <asm/sigcontext\\.h>") "")))))))
              (else '()))))
   (description
    "GNU libsigsegv is a library to handle page faults, which occur when a
program tries to access an unavailable region of memory, in user mode.  By
catching and handling page faults, the program can implement pageable virtual
memory, stack overflow handlers, and so on.")
   (license gpl2+)))
class='left'>Commit message (<a href='/guix/log/nix/libstore/local-store.hh?id=f91713e71b6bc1222c8f5b218dede3dc7e670a3c&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-11-16 14:34:28 +0100'>2021-11-16</span></td><td><a href='/guix/commit/nix/libstore/local-store.hh?id=472a0e82a52a3d5d841e1dfad6b13e26082a5750'>daemon: Do not deduplicate files smaller than 8 KiB.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-08 22:30:08 +0100'>2020-12-08</span></td><td><a href='/guix/commit/nix/libstore/local-store.hh?id=a618a8c6203d4cf57f12873a86797b8685b11e14'>daemon: Factorize substituter agent spawning.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-12-08 22:30:08 +0100'>2020-12-08</span></td><td><a href='/guix/commit/nix/libstore/local-store.hh?id=79c6614f58a57b985daf8940766319e440311db0'>daemon: Use 'Agent' to spawn 'guix substitute --query'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-10-16 22:53:40 +0200'>2019-10-16</span></td><td><a href='/guix/commit/nix/libstore/local-store.hh?id=81c580c8664bfeeb767e2c47ea343004e88223c7'>daemon: Make 'profiles/per-user' non-world-writable.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-09-08 11:49:24 +0200'>2019-09-08</span></td><td><a href='/guix/commit/nix/libstore/local-store.hh?id=f6919ebdc6b0ce0286814cc6ab0564b1a4c67f5f'>daemon: Run 'guix substitute' directly and assume a single substituter.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-03-30 23:42:07 +0200'>2018-03-30</span></td><td><a href='/guix/commit/nix/libstore/local-store.hh?id=602a148650809da3c2356e4429f4b8160a72843b'>daemon: Remove unused schema upgrade code.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>