2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (C) 2018 Universita` di Pisa
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8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
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15 * documentation and/or other materials provided with the distribution.
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32 #include <sys/types.h>
34 #include <sys/ioctl.h>
43 #include <net/netmap_user.h>
45 #include "libnetmap.h"
47 struct nmctx_pthread {
49 pthread_mutex_t mutex;
52 static struct nmctx_pthread nmctx_pthreadsafe;
55 nmctx_pthread_lock(struct nmctx *ctx, int lock)
57 struct nmctx_pthread *ctxp =
58 (struct nmctx_pthread *)ctx;
60 pthread_mutex_lock(&ctxp->mutex);
62 pthread_mutex_unlock(&ctxp->mutex);
66 void __attribute__ ((constructor))
67 nmctx_set_threadsafe(void)
71 pthread_mutex_init(&nmctx_pthreadsafe.mutex, NULL);
72 old = nmctx_set_default(&nmctx_pthreadsafe.up);
73 nmctx_pthreadsafe.up = *old;
74 nmctx_pthreadsafe.up.lock = nmctx_pthread_lock;