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78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/* This testcase is part of GDB, the GNU debugger.
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Copyright 2010-2015 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Contributed by Ulrich Weigand <uweigand@de.ibm.com> */
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#include <stdio.h>
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#include <stdlib.h>
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#include <libspe2.h>
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#include <pthread.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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extern spe_program_handle_t fork_spu;
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void *
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spe_thread (void * arg)
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{
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int flags = 0;
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unsigned int entry = SPE_DEFAULT_ENTRY;
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spe_context_ptr_t *ctx = (spe_context_ptr_t *) arg;
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spe_program_load (*ctx, &fork_spu);
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spe_context_run (*ctx, &entry, flags, NULL, NULL, NULL);
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pthread_exit (NULL);
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}
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int
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main (void)
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{
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pthread_t pts;
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spe_context_ptr_t ctx;
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unsigned int value;
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unsigned int pid;
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ctx = spe_context_create (0, NULL);
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pthread_create (&pts, NULL, &spe_thread, &ctx);
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/* Wait until the SPU thread is running. */
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spe_out_intr_mbox_read (ctx, &value, 1, SPE_MBOX_ALL_BLOCKING);
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pid = fork ();
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if (pid == 0)
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{
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/* This is the child. Just exit immediately. */
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exit (0);
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}
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else
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{
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/* This is the parent. Wait for the child to exit. */
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waitpid (pid, NULL, 0);
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}
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/* Tell SPU to continue. */
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spe_in_mbox_write (ctx, &value, 1, SPE_MBOX_ALL_BLOCKING);
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pthread_join (pts, NULL);
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spe_context_destroy (ctx);
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return 0;
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}
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