2 #include "gnunet_util_lib.h"
6 * Generic logging shorthand
8 #define LOG(kind,...) \
9 GNUNET_log_from (kind, "gnunet-mpi-test", __VA_ARGS__)
11 int main (int argc, char *argv[])
16 struct GNUNET_OS_Process *proc;
19 enum GNUNET_OS_ProcessStatusType proc_status;
29 printf ("Need arguments: gnunet-mpi-test <cmd> <cmd_args>");
32 if (MPI_SUCCESS != MPI_Init (&argc, &argv))
37 if (MPI_SUCCESS != MPI_Comm_size (MPI_COMM_WORLD, &ntasks))
42 if (MPI_SUCCESS != MPI_Comm_rank (MPI_COMM_WORLD, &rank))
48 (void) GNUNET_asprintf (&filename, "%d-%d.mpiout", (int) pid, rank);
49 msg_size = GNUNET_asprintf (&msg, "My rank is: %d\n", rank);
51 if (msg_size == GNUNET_DISK_fn_write (filename,
53 GNUNET_DISK_PERM_USER_READ
54 | GNUNET_DISK_PERM_GROUP_READ
55 | GNUNET_DISK_PERM_USER_WRITE
56 | GNUNET_DISK_PERM_GROUP_WRITE))
58 GNUNET_free (filename);
67 argv2 = GNUNET_malloc (sizeof (char *) * (argc));
68 for (cnt = 1; cnt < argc; cnt++)
69 argv2[cnt - 1] = argv[cnt];
70 proc = GNUNET_OS_start_process_vap (GNUNET_NO,
71 GNUNET_OS_INHERIT_STD_ALL,
77 printf ("Cannot exec\n");
83 ret = GNUNET_OS_process_status (proc, &proc_status, &code);
84 } while (GNUNET_NO == ret);
86 GNUNET_assert (GNUNET_NO != ret);
91 LOG (GNUNET_ERROR_TYPE_WARNING, "Child terminated abnormally\n");
101 (void) MPI_Finalize ();
102 if (GNUNET_OK == ret)
104 printf ("Something went wrong\n");