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