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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-01-13 19:58:28 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-02-09 13:56:48 +0100
commitb05de1040009d0d07a5a2e2765cffe554ffbe6ac (patch)
tree2b112a97ce7947699fac8b6df47e6db0b5196ded /sysdeps/pthread/cnd_init.c
parent6cefe985b869e7b33b05ce7252410474d8a6c3ad (diff)
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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>
Diffstat (limited to 'sysdeps/pthread/cnd_init.c')
-rw-r--r--sysdeps/pthread/cnd_init.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/pthread/cnd_init.c b/sysdeps/pthread/cnd_init.c
new file mode 100644
index 0000000000..e8d7d68a2c
--- /dev/null
+++ b/sysdeps/pthread/cnd_init.c
@@ -0,0 +1,33 @@
+/* C11 thread conditional initialization implementation.
+   Copyright (C) 2018-2020 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 <stdalign.h>
+
+#include "thrd_priv.h"
+
+int
+cnd_init (cnd_t *cond)
+{
+  _Static_assert (sizeof (cnd_t) == sizeof (pthread_cond_t),
+		  "(sizeof (cnd_t) != sizeof (pthread_cond_t)");
+  _Static_assert (alignof (cnd_t) == alignof (pthread_cond_t),
+		  "alignof (cnd_t) != alignof (pthread_cond_t)");
+
+  int err_code = __pthread_cond_init ((pthread_cond_t *)cond, NULL);
+  return thrd_err_map (err_code);
+}