| 1 | /* EPIPHANY implementation of _wait ()
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| 2 |
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| 3 | Copyright (c) 2011, 2012 Adapteva, Inc.
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| 4 | All rights reserved.
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| 5 |
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| 6 | Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc
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| 7 |
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| 8 | Redistribution and use in source and binary forms, with or without
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| 9 | modification, are permitted provided that the following conditions are met:
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| 10 | * Redistributions of source code must retain the above copyright notice,
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| 11 | this list of conditions and the following disclaimer.
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| 12 | * Redistributions in binary form must reproduce the above copyright
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| 13 | notice, this list of conditions and the following disclaimer in the
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| 14 | documentation and/or other materials provided with the distribution.
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| 15 | * Neither the name of Adapteva nor the names of its contributors may be
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| 16 | used to endorse or promote products derived from this software without
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| 17 | specific prior written permission.
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| 18 |
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| 19 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 20 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 21 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 22 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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| 23 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 24 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 25 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 26 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 27 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 28 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 29 | POSSIBILITY OF SUCH DAMAGE. */
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| 30 |
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| 31 |
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| 32 | #include <errno.h>
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| 33 | #include <sys/types.h>
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| 34 |
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| 35 |
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| 36 | /* ------------------------------------------------------------------------- */
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| 37 | /*!Wait for a child process
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| 38 |
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| 39 | This is a minimal implementation, which always fails, since we have only
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| 40 | one process.
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| 41 |
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| 42 | @param[out] status Status information about the file waited for.
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| 43 |
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| 44 | @return 0 on success, -1 on failure with an error code in errno. */
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| 45 | /* ------------------------------------------------------------------------- */
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| 46 | pid_t __attribute__ ((section ("libgloss_epiphany")))
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| 47 | _wait (int *status)
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| 48 | {
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| 49 | errno = ENOSYS;
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| 50 | return -1;
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| 51 |
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| 52 | } /* _wait () */
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