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
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include "namespace.h"
30 #include <sys/types.h>
31 #include <machine/atomic.h>
38 #include "un-namespace.h"
39 #include "libc_private.h"
42 * Rationale recommends allocating new memory each time.
44 static constraint_handler_t *_ch = NULL;
45 static pthread_mutex_t ch_lock = PTHREAD_MUTEX_INITIALIZER;
48 set_constraint_handler_s(constraint_handler_t handler)
50 constraint_handler_t *new, *old, ret;
52 new = malloc(sizeof(constraint_handler_t));
57 _pthread_mutex_lock(&ch_lock);
61 _pthread_mutex_unlock(&ch_lock);
72 __throw_constraint_handler_s(const char * restrict msg, errno_t error)
74 constraint_handler_t ch;
77 _pthread_mutex_lock(&ch_lock);
78 ch = _ch != NULL ? *_ch : NULL;
80 _pthread_mutex_unlock(&ch_lock);
86 abort_handler_s(const char * restrict msg, void * restrict ptr __unused,
87 errno_t error __unused)
89 static const char ahs[] = "abort_handler_s : ";
91 (void) _write(STDERR_FILENO, ahs, sizeof(ahs) - 1);
92 (void) _write(STDERR_FILENO, msg, strlen(msg));
93 (void) _write(STDERR_FILENO, "\n", 1);
98 ignore_handler_s(const char * restrict msg __unused,
99 void * restrict ptr __unused, errno_t error __unused)