C11 threads: Move implementation to sysdeps/pthread

so it gets shared by nptl and htl. Also add htl versions of thrd_current and
thrd_yield.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

5 files changed, 53 insertions, 0 deletions

diff --git a/sysdeps/mach/htl/thrd_yield.c b/sysdeps/mach/htl/thrd_yield.c
new file mode 100644
index 0000000000..48e17e1c0a
--- /dev/null
+++ b/sysdeps/mach/htl/thrd_yield.c
@@ -0,0 +1,26 @@
+/* sched_yield -- yield the processor.  Mach version.
+   Copyright (C) 2020 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 Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <mach.h>
+#include "thrd_priv.h"
+
+void
+thrd_yield (void)
+{
+  (void) __swtch ();
+}
diff --git a/sysdeps/mach/hurd/htl/pt-mutex-destroy.c b/sysdeps/mach/hurd/htl/pt-mutex-destroy.c
index a8a0adc03f..a5bfaddcb2 100644
--- a/sysdeps/mach/hurd/htl/pt-mutex-destroy.c
+++ b/sysdeps/mach/hurd/htl/pt-mutex-destroy.c
@@ -35,3 +35,4 @@ __pthread_mutex_destroy (pthread_mutex_t *mtxp)
 }
 
 strong_alias (__pthread_mutex_destroy, pthread_mutex_destroy)
+hidden_def (__pthread_mutex_destroy)
diff --git a/sysdeps/mach/hurd/htl/pt-mutex-timedlock.c b/sysdeps/mach/hurd/htl/pt-mutex-timedlock.c
index e83bc57875..3aa7d798b2 100644
--- a/sysdeps/mach/hurd/htl/pt-mutex-timedlock.c
+++ b/sysdeps/mach/hurd/htl/pt-mutex-timedlock.c
@@ -77,3 +77,4 @@ __pthread_mutex_timedlock (pthread_mutex_t *mtxp, const struct timespec *tsp)
   return ret;
 }
 strong_alias (__pthread_mutex_timedlock, pthread_mutex_timedlock)
+hidden_def (__pthread_mutex_timedlock)
diff --git a/sysdeps/mach/hurd/i386/libc.abilist b/sysdeps/mach/hurd/i386/libc.abilist
index 7c2cb2b05a..dd0d3c7317 100644
--- a/sysdeps/mach/hurd/i386/libc.abilist
+++ b/sysdeps/mach/hurd/i386/libc.abilist
@@ -2181,6 +2181,10 @@ GLIBC_2.3.4 setsourcefilter F
 GLIBC_2.3.4 xdr_quad_t F
 GLIBC_2.3.4 xdr_u_quad_t F
 GLIBC_2.30 twalk_r F
+GLIBC_2.32 thrd_current F
+GLIBC_2.32 thrd_equal F
+GLIBC_2.32 thrd_sleep F
+GLIBC_2.32 thrd_yield F
 GLIBC_2.4 __confstr_chk F
 GLIBC_2.4 __fgets_chk F
 GLIBC_2.4 __fgets_unlocked_chk F
diff --git a/sysdeps/mach/hurd/i386/libpthread.abilist b/sysdeps/mach/hurd/i386/libpthread.abilist
index 14ef22e3db..4a5e1fb750 100644
--- a/sysdeps/mach/hurd/i386/libpthread.abilist
+++ b/sysdeps/mach/hurd/i386/libpthread.abilist
@@ -142,3 +142,24 @@ GLIBC_2.2.6 __errno_location F
 GLIBC_2.2.6 __h_errno_location F
 GLIBC_2.21 pthread_hurd_cond_timedwait_np F
 GLIBC_2.21 pthread_hurd_cond_wait_np F
+GLIBC_2.32 call_once F
+GLIBC_2.32 cnd_broadcast F
+GLIBC_2.32 cnd_destroy F
+GLIBC_2.32 cnd_init F
+GLIBC_2.32 cnd_signal F
+GLIBC_2.32 cnd_timedwait F
+GLIBC_2.32 cnd_wait F
+GLIBC_2.32 mtx_destroy F
+GLIBC_2.32 mtx_init F
+GLIBC_2.32 mtx_lock F
+GLIBC_2.32 mtx_timedlock F
+GLIBC_2.32 mtx_trylock F
+GLIBC_2.32 mtx_unlock F
+GLIBC_2.32 thrd_create F
+GLIBC_2.32 thrd_detach F
+GLIBC_2.32 thrd_exit F
+GLIBC_2.32 thrd_join F
+GLIBC_2.32 tss_create F
+GLIBC_2.32 tss_delete F
+GLIBC_2.32 tss_get F
+GLIBC_2.32 tss_set F