6951 Initial c11 support

6952 gets should not be visible in C11
6953 add support for c11 threads api
6954 Symbols test should support validating pre-processor symbols
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Garrett D'Amore <garrett@damore.org>
Approved by: Garrett D'Amore <garrett@damore.org>

1 files changed, 104 insertions, 0 deletions

diff --git a/usr/src/head/threads.h b/usr/src/head/threads.h
new file mode 100644
index 0000000000..86e0164f84
--- /dev/null
+++ b/usr/src/head/threads.h
@@ -0,0 +1,104 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2016 Joyent, Inc.
+ */
+
+#ifndef _THREADS_H
+#define	_THREADS_H
+
+/*
+ * ISO/IEC C11 threads.h support
+ */
+
+#include <sys/feature_tests.h>
+
+#include <sys/types.h>
+#include <limits.h>
+#include <time.h>
+#include <pthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(_STRICT_SYMBOLS) || defined(_STDC_C11)
+
+#if !defined(_NORETURN_KYWD)
+#if __STDC_VERSION__ - 0 >= 201112L
+#define	_NORETURN_KYWD	_Noreturn
+#else
+#define	_NORETURN_KYWD
+#endif	/* __STDC_VERSION__ - 0 >= 201112L */
+#endif	/* !defined(_NORETURN_KYWD) */
+
+#define	thread_local	_Thread_local
+#define	ONCE_FLAG_INIT	PTHREAD_ONCE_INIT
+#define	TSS_DTOR_ITERATIONS	PTHREAD_DESTRUCTOR_ITERATIONS
+
+typedef	pthread_cond_t cnd_t;
+typedef	pthread_t thrd_t;
+typedef	pthread_key_t tss_t;
+typedef	pthread_mutex_t mtx_t;
+typedef	void (*tss_dtor_t)(void *);
+typedef int (*thrd_start_t)(void *);
+typedef	pthread_once_t once_flag;
+
+enum {
+	mtx_plain = 0x1,
+	mtx_recursive = 0x2,
+	mtx_timed = 0x4
+};
+
+enum {
+	thrd_success = 0,
+	thrd_error = 1,
+	thrd_busy = 2,
+	thrd_timedout = 3,
+	thrd_nomem = 4
+};
+
+extern void call_once(once_flag *, void (*)(void));
+extern int cnd_broadcast(cnd_t *);
+extern void cnd_destroy(cnd_t *);
+extern int cnd_init(cnd_t *);
+extern int cnd_signal(cnd_t *);
+extern int cnd_timedwait(cnd_t *_RESTRICT_KYWD, mtx_t *_RESTRICT_KYWD,
+    const struct timespec *_RESTRICT_KYWD);
+extern int cnd_wait(cnd_t *, mtx_t *);
+extern void mtx_destroy(mtx_t *);
+extern int mtx_init(mtx_t *, int);
+extern int mtx_lock(mtx_t *);
+extern int mtx_timedlock(mtx_t *_RESTRICT_KYWD,
+    const struct timespec *_RESTRICT_KYWD);
+extern int mtx_trylock(mtx_t *);
+extern int mtx_unlock(mtx_t *);
+extern int thrd_create(thrd_t *, thrd_start_t, void *);
+extern thrd_t thrd_current(void);
+extern int thrd_detach(thrd_t);
+extern int thrd_equal(thrd_t, thrd_t);
+extern _NORETURN_KYWD void thrd_exit(int) __NORETURN;
+extern int thrd_join(thrd_t, int *);
+extern int thrd_sleep(const struct timespec *, struct timespec *);
+extern void thrd_yield(void);
+extern int tss_create(tss_t *, tss_dtor_t);
+extern void tss_delete(tss_t);
+extern void *tss_get(tss_t);
+extern int tss_set(tss_t, void *);
+
+#endif /* !_STRICT_SYMBOLS | _STDC_C11 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _THREADS_H */