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37 * Implements functions from init.h.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_utility
42 #include "gromacs/utility/init.h"
51 #include "gromacs/utility/gmxmpi.h"
54 #include "gromacs/legacyheaders/network.h"
55 #include "gromacs/legacyheaders/smalloc.h"
56 #include "gromacs/legacyheaders/types/commrec.h"
58 #include "gromacs/utility/programinfo.h"
67 void broadcastArguments(const t_commrec *cr, int *argc, char ***argv)
69 gmx_bcast(sizeof(*argc), argc, cr);
75 for (int i = 0; i < *argc; i++)
80 len = std::strlen((*argv)[i])+1;
82 gmx_bcast(sizeof(len), &len, cr);
85 snew((*argv)[i], len);
87 gmx_bcast(len, (*argv)[i], cr);
94 ProgramInfo &init(const char *realBinaryName, int *argc, char ***argv)
97 // TODO: Rewrite this to not use t_commrec once there is clarity on
98 // the approach for MPI in C++ code.
99 // TODO: Consider whether the argument broadcast would better be done
100 // in CommandLineModuleManager.
102 std::memset(&cr, 0, sizeof(cr));
103 cr.nodeid = gmx_setup(argc, argv, &cr.nnodes);
104 cr.mpi_comm_mygroup = MPI_COMM_WORLD;
107 broadcastArguments(&cr, argc, argv);
110 return ProgramInfo::init(realBinaryName, *argc, *argv);
113 ProgramInfo &init(int *argc, char ***argv)
115 return init(NULL, argc, argv);