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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-06-01 01:04:32 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-06-01 01:04:32 +0200 |
commit | 5375bb5b86e266157ceceef08c367da711b8144e (patch) | |
tree | 88bc81cab11d8f0b2b6f9391f803051c081b2ecb /nuttx/sched/pthread_keycreate.c | |
parent | 27ee36b2049167a1272122548fe61aa2993d79c1 (diff) | |
download | px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.tar.gz px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.tar.bz2 px4-firmware-5375bb5b86e266157ceceef08c367da711b8144e.zip |
Cleanup, WIP, needs a NuttX checkout to Firmware/NuttX now
Diffstat (limited to 'nuttx/sched/pthread_keycreate.c')
-rw-r--r-- | nuttx/sched/pthread_keycreate.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/nuttx/sched/pthread_keycreate.c b/nuttx/sched/pthread_keycreate.c deleted file mode 100644 index 7579e4c11..000000000 --- a/nuttx/sched/pthread_keycreate.c +++ /dev/null @@ -1,135 +0,0 @@ -/**************************************************************************** - * sched/pthread_keycreate.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 <sched.h> -#include <errno.h> -#include <debug.h> - -#include "pthread_internal.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: pthread_key_create - * - * Description: - * This function creates a thread-specific data key visible to all threads - * in the system. Although the same key value may be used by different - * threads, the values bound to the key by pthread_setspecific() are - * maintained on a per-thread basis and persist for the life of the calling - * thread. - * - * Upon key creation, the value NULL will be associated with the new key - * in all active threads. Upon thread creation, the value NULL will be - * associated with all defined keys in the new thread. - * - * Parameters: - * key = A pointer to the key to create. - * destructor = An optional destructor() function that may be associated - * with each key that is invoked when a thread exits. However, this - * argument is ignored in the current implementation. - * - * Return Value: - * If successful, the pthread_key_create() function will store the newly - * created key value at *key and return zero (OK). Otherwise, an error - * number will bereturned to indicate the error: - * - * EAGAIN - The system lacked sufficient resources to create another - * thread-specific data key, or the system-imposed limit on the total - * number of keys pers process {PTHREAD_KEYS_MAX} has been exceeded - * ENONMEM - Insufficient memory exists to create the key. - * - * Assumptions: - * - * POSIX Compatibility: - * - The present implementation ignores the destructor argument. - * - ****************************************************************************/ - -int pthread_key_create(FAR pthread_key_t *key, CODE void (*destructor)(void*)) -{ -#if CONFIG_NPTHREAD_KEYS > 0 - int ret = EAGAIN; - - /* Check if we have exceeded the system-defined number of keys. */ - - if (g_pthread_num_keys < PTHREAD_KEYS_MAX) - { - /* Return the key value */ - - *key = g_pthread_num_keys; - - /* Increment the count of global keys. */ - - g_pthread_num_keys++; - - /* Return success. */ - - ret = OK; - } - - return ret; -#else - return ENOSYS; -#endif -} |