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Diffstat (limited to 'nuttx/sched/pthread_sigmask.c')
-rw-r--r-- | nuttx/sched/pthread_sigmask.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/nuttx/sched/pthread_sigmask.c b/nuttx/sched/pthread_sigmask.c new file mode 100644 index 000000000..c66b8591c --- /dev/null +++ b/nuttx/sched/pthread_sigmask.c @@ -0,0 +1,107 @@ +/************************************************************************ + * sched/pthread_sigmask.c + * + * Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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. + * + ************************************************************************/ + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/config.h> + +#include <signal.h> +#include <pthread.h> +#include <errno.h> +#include <debug.h> + +/************************************************************************ + * Definitions + ************************************************************************/ + +/************************************************************************ + * Private Type Declarations + ************************************************************************/ + +/************************************************************************ + * Global Variables + ************************************************************************/ + +/************************************************************************ + * Private Variables + ************************************************************************/ + +/************************************************************************ + * Private Function Prototypes + ************************************************************************/ + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Name: pthread_sigmask + * + * Description: + * This function is a simple wrapper around sigprocmask(). + * See the sigprocmask() function description for further + * information. + * + * Parameters: + * how - How the signal mast will be changed: + * SIG_BLOCK - The resulting set is the union of + * the current set and the signal set + * pointed to by 'set'. + * SIG_UNBLOCK - The resulting set is the intersection + * of the current set and the complement + * of the signal set pointed to by 'set'. + * SIG_SETMASK - The resulting set is the signal set + * pointed to by 'set'. + * set - Location of the new signal mask + * oset - Location to store the old signal mask + * + * Return Value: + * 0 (OK) or EINVAL if how is invalid. + * + * Assumptions: + * + ************************************************************************/ + +int pthread_sigmask(int how, FAR const sigset_t *set, FAR sigset_t *oset) +{ + int ret = sigprocmask(how, set, oset); + if (ret != OK) + { + ret = EINVAL; + } + return ret; +} |