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author | Jeff Johnston <jjohnstn@redhat.com> | 2012-02-21 22:37:47 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2012-02-21 22:37:47 +0000 |
commit | b07cfbff06094de1a41c6935cbd91ef8b03ebca5 (patch) | |
tree | 6a2a7e50fcaa7cc430e1637ce50fc4b7b4e4dace /libgloss/epiphany/fork.c | |
parent | 9edde1d2c4430fd79bbf494d5e8cec0359a0b267 (diff) | |
download | cygnal-b07cfbff06094de1a41c6935cbd91ef8b03ebca5.tar.gz cygnal-b07cfbff06094de1a41c6935cbd91ef8b03ebca5.tar.bz2 cygnal-b07cfbff06094de1a41c6935cbd91ef8b03ebca5.zip |
2012-02-21 Jeremy Bennett <jeremy.bennett@embecosm.com>
Alan Lehotsky <apl@alum.mit.edu>
Joern Rennecke <joern.rennecke@embecosm.com>
* configure.in: Add Epiphany support.
* configure: Regenerate.
* epiphany: New directory.
* libgloss/README: Add Epiphany entry.
Diffstat (limited to 'libgloss/epiphany/fork.c')
-rw-r--r-- | libgloss/epiphany/fork.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libgloss/epiphany/fork.c b/libgloss/epiphany/fork.c new file mode 100644 index 000000000..a6554843b --- /dev/null +++ b/libgloss/epiphany/fork.c @@ -0,0 +1,52 @@ +/* EPIPHANY implementation of _fork () + + Copyright (c) 2011, 2012 Adapteva, Inc. + All rights reserved. + + Contributor Jeremy Bennett <jeremy.bennett@embecosm.com> for Adapteva Inc + + 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. + * Neither the name of Adapteva 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 HOLDER 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 <sys/types.h> + +/* ------------------------------------------------------------------------- */ +/*!Create a new process + + This is a minimal implementation, which always fails, since we have no + processes. + + @todo Is this a permissible errno? + + @return pid of the child (returning the parent), 0 (returning in the + parent) on success, -1 on failure with an error code in errno. */ +/* ------------------------------------------------------------------------- */ +pid_t __attribute__ ((section ("libgloss_epiphany"))) +_fork (void) +{ + errno = ENOSYS; + return -1; + +} /* _fork () */ |