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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-09 01:27:42 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-09 01:27:42 +0000 |
commit | c2e0b7742ea0d530ed9cf9628f88994063c8d5c0 (patch) | |
tree | 91c6e04ee0a0e76ab23cfa7d6883bf7ab4a91904 /nuttx/mm/umm_semaphore.c | |
parent | f2c129b281fc8fa30eccb9b34df534f954ee3c47 (diff) | |
download | px4-nuttx-c2e0b7742ea0d530ed9cf9628f88994063c8d5c0.tar.gz px4-nuttx-c2e0b7742ea0d530ed9cf9628f88994063c8d5c0.tar.bz2 px4-nuttx-c2e0b7742ea0d530ed9cf9628f88994063c8d5c0.zip |
With these fixes, the kernel build is basically functional (but there is more to be done)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5722 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/mm/umm_semaphore.c')
-rw-r--r-- | nuttx/mm/umm_semaphore.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/nuttx/mm/umm_semaphore.c b/nuttx/mm/umm_semaphore.c new file mode 100644 index 000000000..d554268ab --- /dev/null +++ b/nuttx/mm/umm_semaphore.c @@ -0,0 +1,99 @@ +/************************************************************************ + * mm/umm_semaphore.c + * + * Copyright (C) 2011 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 <nuttx/mm.h> + +#if !defined(CONFIG_NUTTX_KERNEL) || !defined(__KERNEL__) + +/************************************************************************ + * Pre-processor definition + ************************************************************************/ + +/************************************************************************ + * Private Types + ************************************************************************/ + +/************************************************************************ + * Private Functions + ************************************************************************/ + +/************************************************************************ + * Public Functions + ************************************************************************/ + +/************************************************************************ + * Name: umm_trysemaphore + * + * Description: + * This is a simple wrapper for the mm_trysemaphore() function. + * + * Parameters: + * None + * + * Return Value: + * OK on success; a negated errno on failure + * + ************************************************************************/ + +int umm_trysemaphore(void) +{ + return mm_trysemaphore(&g_mmheap); +} + +/************************************************************************ + * Name: umm_givesemaphore + * + * Description: + * This is a simple wrapper for the mm_givesemaphore() function. + * + * Parameters: + * None + * + * Return Value: + * OK on success; a negated errno on failure + * + ************************************************************************/ + +void umm_givesemaphore(void) +{ + mm_givesemaphore(&g_mmheap); +} + +#endif /* !CONFIG_NUTTX_KERNEL || __KERNEL__ */ |