2 * Copyright (c) 2017 Juniper Networks. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include "namespace.h"
27 #include <sys/types.h>
28 #include <machine/atomic.h>
35 #include "un-namespace.h"
36 #include "libc_private.h"
39 * Rationale recommends allocating new memory each time.
41 static constraint_handler_t *_ch = NULL;
42 static pthread_mutex_t ch_lock = PTHREAD_MUTEX_INITIALIZER;
45 set_constraint_handler_s(constraint_handler_t handler)
47 constraint_handler_t *new, *old, ret;
49 new = malloc(sizeof(constraint_handler_t));
54 _pthread_mutex_lock(&ch_lock);
58 _pthread_mutex_unlock(&ch_lock);
69 __throw_constraint_handler_s(const char * restrict msg, errno_t error)
71 constraint_handler_t ch;
74 _pthread_mutex_lock(&ch_lock);
75 ch = _ch != NULL ? *_ch : NULL;
77 _pthread_mutex_unlock(&ch_lock);
83 abort_handler_s(const char * restrict msg, void * restrict ptr __unused,
84 errno_t error __unused)
86 static const char ahs[] = "abort_handler_s : ";
88 (void) _write(STDERR_FILENO, ahs, sizeof(ahs) - 1);
89 (void) _write(STDERR_FILENO, msg, strlen(msg));
90 (void) _write(STDERR_FILENO, "\n", 1);
95 ignore_handler_s(const char * restrict msg __unused,
96 void * restrict ptr __unused, errno_t error __unused)