diff options
Diffstat (limited to 'libc/bionic/sigprocmask.cpp')
-rw-r--r-- | libc/bionic/sigprocmask.cpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libc/bionic/sigprocmask.cpp b/libc/bionic/sigprocmask.cpp new file mode 100644 index 0000000..61e2c63 --- /dev/null +++ b/libc/bionic/sigprocmask.cpp @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <errno.h> +#include <pthread.h> +#include <signal.h> + +#include "private/kernel_sigset_t.h" + +extern "C" int __rt_sigprocmask(int, const kernel_sigset_t*, kernel_sigset_t*, size_t); + +int sigprocmask(int how, const sigset_t* bionic_new_set, sigset_t* bionic_old_set) { + kernel_sigset_t new_set; + kernel_sigset_t* new_set_ptr = NULL; + if (bionic_new_set != NULL) { + new_set.set(bionic_new_set); + new_set_ptr = &new_set; + } + + kernel_sigset_t old_set; + if (__rt_sigprocmask(how, new_set_ptr, &old_set, sizeof(old_set)) == -1) { + return -1; + } + + if (bionic_old_set != NULL) { + *bionic_old_set = old_set.bionic; + } + + return 0; +} |