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author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-04-02 01:43:22 +0200 |
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committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-04-02 01:44:14 +0200 |
commit | 33574c17eefcf326c1cd30eb9f915ad26d3d9ef2 (patch) | |
tree | 2c1b143f2b7a0ceba9fba000b70dd2889d56e60f /sysdeps/mach/hurd/htl/pt-sigstate-init.c | |
parent | 03e2aa50fd512449025bba8c244d16338d8526a4 (diff) | |
download | glibc-33574c17eefcf326c1cd30eb9f915ad26d3d9ef2.tar.gz glibc-33574c17eefcf326c1cd30eb9f915ad26d3d9ef2.tar.xz glibc-33574c17eefcf326c1cd30eb9f915ad26d3d9ef2.zip |
hurd: Add hurd thread library
Contributed by Agustina Arzille <avarzille@riseup.net> Amos Jeffries <squid3@treenet.co.nz> David Michael <fedora.dm0@gmail.com> Marco Gerards <marco@gnu.org> Marcus Brinkmann <marcus@gnu.org> Neal H. Walfield <neal@gnu.org> Pino Toscano <toscano.pino@tiscali.it> Richard Braun <rbraun@sceen.net> Roland McGrath <roland@gnu.org> Samuel Thibault <samuel.thibault@ens-lyon.org> Thomas DiModica <ricinwich@yahoo.com> Thomas Schwinge <tschwinge@gnu.org> * htl: New directory. * sysdeps/htl: New directory. * sysdeps/hurd/htl: New directory. * sysdeps/i386/htl: New directory. * sysdeps/mach/htl: New directory. * sysdeps/mach/hurd/htl: New directory. * sysdeps/mach/hurd/i386/htl: New directory. * nscd/Depend, resolv/Depend, rt/Depend: Add htl dependency. * sysdeps/mach/hurd/i386/Implies: Add mach/hurd/i386/htl imply. * sysdeps/mach/hurd/i386/libpthread.abilist: New file.
Diffstat (limited to 'sysdeps/mach/hurd/htl/pt-sigstate-init.c')
-rw-r--r-- | sysdeps/mach/hurd/htl/pt-sigstate-init.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/htl/pt-sigstate-init.c b/sysdeps/mach/hurd/htl/pt-sigstate-init.c new file mode 100644 index 0000000000..a6b4f76b25 --- /dev/null +++ b/sysdeps/mach/hurd/htl/pt-sigstate-init.c @@ -0,0 +1,44 @@ +/* Initialize the signal state. Hurd on Mach version. + Copyright (C) 2002-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <http://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <pt-internal.h> +#include <hurd/signal.h> + +error_t +__pthread_sigstate_init (struct __pthread *thread) +{ + static int do_init_global; + + /* Mark the thread as a global signal receiver so as to conform with + the pthread semantics. However, we must be careful. The first + pthread created is the main thread, during libpthread initialization. + We must not mark it, otherwise the sigprocmask call in + __pthread_create would try to access _hurd_global_sigstate, + which is not initialized yet. When glibc runs _hurdsig_init later + on, the message thread is created, which must not be marked either. */ + if (do_init_global) + { + struct hurd_sigstate *ss = _hurd_thread_sigstate (thread->kernel_thread); + (void) ss; + } + else if (__pthread_num_threads >= 2) + do_init_global = 1; + + return 0; +} |