static struct closure *compile_code(struct global_state *gstate, clist b)
{
struct code *cc;
u8 nb_locals;
fncode top;
location topl;
struct string *afilename;
/* Code strings must be allocated before code (immutability restriction) */
afilename = make_filename(lexloc.filename);
GCPRO1(afilename);
erred = FALSE;
env_reset();
topl.filename = NULL;
topl.lineno = 0;
top = new_fncode(gstate, topl, TRUE, 0);
env_push(NULL, top); /* Environment must not be totally empty */
generate_clist(b, FALSE, top);
ins0(OPmreturn, top);
env_pop(&nb_locals);
cc = generate_fncode(top, nb_locals, NULL, NULL, afilename, 0);
delete_fncode(top);
GCPOP(1);
if (erred) return NULL;
else return alloc_closure0(cc);
}
void parser_t::push_block(block_t *new_current)
{
const enum block_type_t type = new_current->type();
new_current->src_lineno = parser_t::get_lineno();
const wchar_t *filename = parser_t::current_filename();
if (filename != NULL)
{
new_current->src_filename = intern(filename);
}
const block_t *old_current = this->current_block();
if (old_current && old_current->skip)
{
new_current->skip = true;
}
/*
New blocks should be skipped if the outer block is skipped,
except TOP ans SUBST block, which open up new environments. Fake
blocks should always be skipped. Rather complicated... :-(
*/
new_current->skip = old_current ? old_current->skip : 0;
/*
Type TOP and SUBST are never skipped
*/
if (type == TOP || type == SUBST)
{
new_current->skip = 0;
}
/*
Fake blocks and function definition blocks are never executed
*/
if (type == FAKE || type == FUNCTION_DEF)
{
new_current->skip = 1;
}
new_current->job = 0;
new_current->loop_status=LOOP_NORMAL;
this->block_stack.push_back(new_current);
// Types TOP and SUBST are not considered blocks for the purposes of `status -b`
if (type != TOP && type != SUBST)
{
is_block = 1;
}
if ((new_current->type() != FUNCTION_DEF) &&
(new_current->type() != FAKE) &&
(new_current->type() != TOP))
{
env_push(type == FUNCTION_CALL);
new_current->wants_pop_env = true;
}
}
// Given a new-allocated block, push it onto our block stack, acquiring ownership
void parser_t::push_block_int(block_t *new_current) {
const enum block_type_t type = new_current->type();
new_current->src_lineno = parser_t::get_lineno();
const wchar_t *filename = parser_t::current_filename();
if (filename != NULL) {
new_current->src_filename = intern(filename);
}
// New blocks should be skipped if the outer block is skipped, except TOP and SUBST block, which
// open up new environments.
const block_t *old_current = this->current_block();
new_current->skip = old_current && old_current->skip;
// Type TOP and SUBST are never skipped.
if (type == TOP || type == SUBST) {
new_current->skip = false;
}
new_current->job = nullptr;
new_current->loop_status = LOOP_NORMAL;
// Push it onto our stack. This acquires ownership because of unique_ptr.
this->block_stack.emplace_back(new_current);
// Types TOP and SUBST are not considered blocks for the purposes of `status is-block`.
if (type != TOP && type != SUBST) {
is_block = true;
}
if (type == BREAKPOINT) {
is_breakpoint = true;
}
if (new_current->type() != TOP) {
env_push(type == FUNCTION_CALL);
new_current->wants_pop_env = true;
}
}
void env_init(const struct config_paths_t *paths /* or NULL */)
{
/*
env_read_only variables can not be altered directly by the user
*/
const wchar_t * const ro_keys[] =
{
L"status",
L"history",
L"version",
L"_",
L"LINES",
L"COLUMNS",
L"PWD",
//L"SHLVL", // will be inserted a bit lower down
L"FISH_VERSION",
};
for (size_t i=0; i < sizeof ro_keys / sizeof *ro_keys; i++)
{
env_read_only.insert(ro_keys[i]);
}
/*
Names of all dynamically calculated variables
*/
env_electric.insert(L"history");
env_electric.insert(L"status");
env_electric.insert(L"umask");
env_electric.insert(L"COLUMNS");
env_electric.insert(L"LINES");
top = new env_node_t;
global_env = top;
global = &top->env;
/*
Now the environemnt variable handling is set up, the next step
is to insert valid data
*/
/*
Import environment variables
*/
for (char **p = (environ ? environ : __environ); p && *p; p++)
{
const wcstring key_and_val = str2wcstring(*p); //like foo=bar
size_t eql = key_and_val.find(L'=');
if (eql == wcstring::npos)
{
// no equals found
if (is_read_only(key_and_val) || is_electric(key_and_val)) continue;
env_set(key_and_val, L"", ENV_EXPORT | ENV_GLOBAL);
}
else
{
wcstring key = key_and_val.substr(0, eql);
if (is_read_only(key) || is_electric(key)) continue;
wcstring val = key_and_val.substr(eql + 1);
if (variable_is_colon_delimited_array(key))
{
std::replace(val.begin(), val.end(), L':', ARRAY_SEP);
}
env_set(key, val.c_str(), ENV_EXPORT | ENV_GLOBAL);
}
}
/* Set the given paths in the environment, if we have any */
if (paths != NULL)
{
env_set(FISH_DATADIR_VAR, paths->data.c_str(), ENV_GLOBAL);
env_set(FISH_SYSCONFDIR_VAR, paths->sysconf.c_str(), ENV_GLOBAL);
env_set(FISH_HELPDIR_VAR, paths->doc.c_str(), ENV_GLOBAL);
env_set(FISH_BIN_DIR, paths->bin.c_str(), ENV_GLOBAL);
}
/*
Set up the PATH variable
*/
setup_path();
/*
Set up the USER variable
*/
if (env_get_string(L"USER").missing_or_empty())
{
const struct passwd *pw = getpwuid(getuid());
if (pw && pw->pw_name)
{
const wcstring uname = str2wcstring(pw->pw_name);
env_set(L"USER", uname.c_str(), ENV_GLOBAL | ENV_EXPORT);
}
}
/*
Set up the version variables
*/
wcstring version = str2wcstring(get_fish_version());
env_set(L"version", version.c_str(), ENV_GLOBAL);
env_set(L"FISH_VERSION", version.c_str(), ENV_GLOBAL);
/*
Set up SHLVL variable
*/
const env_var_t shlvl_str = env_get_string(L"SHLVL");
wcstring nshlvl_str = L"1";
if (! shlvl_str.missing())
{
wchar_t *end;
long shlvl_i = wcstol(shlvl_str.c_str(), &end, 10);
while (iswspace(*end)) ++end; /* skip trailing whitespace */
if (shlvl_i >= 0 && *end == '\0')
{
nshlvl_str = to_string<long>(shlvl_i + 1);
}
}
env_set(L"SHLVL", nshlvl_str.c_str(), ENV_GLOBAL | ENV_EXPORT);
env_read_only.insert(L"SHLVL");
/* Set up the HOME variable */
if (env_get_string(L"HOME").missing_or_empty())
{
const env_var_t unam = env_get_string(L"USER");
char *unam_narrow = wcs2str(unam.c_str());
struct passwd *pw = getpwnam(unam_narrow);
if (pw->pw_dir != NULL)
{
const wcstring dir = str2wcstring(pw->pw_dir);
env_set(L"HOME", dir.c_str(), ENV_GLOBAL | ENV_EXPORT);
}
free(unam_narrow);
}
/* Set PWD */
env_set_pwd();
/* Set up universal variables. The empty string means to use the deafult path. */
assert(s_universal_variables == NULL);
s_universal_variables = new env_universal_t(L"");
s_universal_variables->load();
/* Set g_log_forks */
env_var_t log_forks = env_get_string(L"fish_log_forks");
g_log_forks = ! log_forks.missing_or_empty() && from_string<bool>(log_forks);
/* Set g_use_posix_spawn. Default to true. */
env_var_t use_posix_spawn = env_get_string(L"fish_use_posix_spawn");
g_use_posix_spawn = (use_posix_spawn.missing_or_empty() ? true : from_string<bool>(use_posix_spawn));
/* Set fish_bind_mode to "default" */
env_set(FISH_BIND_MODE_VAR, DEFAULT_BIND_MODE, ENV_GLOBAL);
/*
Now that the global scope is fully initialized, add a toplevel local
scope. This same local scope will persist throughout the lifetime of the
fish process, and it will ensure that `set -l` commands run at the
command-line don't affect the global scope.
*/
env_push(false);
}
static struct icode *generate_function(function f, bool toplevel, fncode fn)
{
/* make help string; must be allocated before code (immutability
restriction) */
struct string *help = NULL;
if (f->help.len)
help = make_readonly(alloc_string_length(f->help.str, f->help.len));
struct string *varname = NULL, *filename = NULL, *nicename = NULL;
struct vector *arg_types = NULL;
GCPRO5(help, varname, filename, nicename, arg_types);
/* Make variable name (if present) */
if (f->varname)
varname = make_readonly(alloc_string(f->varname));
else
varname = NULL;
/* Make filename string */
filename = make_filename(f->filename);
nicename = make_filename(f->nicename);
arg_types = make_arg_types(f);
fncode newfn = new_fncode(toplevel);
set_lineno(f->lineno, newfn);
if (f->varargs)
/* varargs makes a vector from the first nargs entries of the stack and
stores it in local value 0 */
ins0(op_varargs, newfn);
else
{
/* First, generate code to check the argument types & count */
/* argcheck copies the arguments into the local variables, assuming that
the last argument (on top of the stack) is local value 0, the next to
last local value 1, and so on.
It then discards all the parameters */
int nargs = 0;
for (vlist argument = f->args; argument; argument = argument->next)
nargs++;
ins1(op_argcheck, nargs, newfn);
nargs = 0;
for (vlist argument = f->args; argument; argument = argument->next)
{
generate_typeset_check(argument->typeset, nargs, newfn);
nargs++;
}
ins1(op_pop_n, nargs, newfn);
}
/* Generate code of function */
env_push(f->args, newfn);
start_block("function", newfn);
generate_component(f->value, newfn);
end_block(newfn);
generate_typeset_check(f->typeset, 0, newfn);
ins0(op_return, newfn);
peephole(newfn);
struct icode *c = generate_fncode(
newfn, help, varname, filename, nicename, f->lineno, arg_types,
f->typeset, compile_level);
varlist closure = env_pop(&c->nb_locals);
UNGCPRO();
/* Generate code for creating closure */
/* Count length of closure */
int clen = 0;
for (varlist cvar = closure; cvar; cvar = cvar->next) clen++;
/* Generate closure */
ins1(op_closure, clen, fn);
/* Add variables to it */
for (varlist cvar = closure; cvar; cvar = cvar->next)
ins1(op_closure_var + cvar->vclass, cvar->offset, fn);
delete_fncode(newfn);
return c;
}
void generate_function(function f, fncode fn)
{
struct code *c;
struct string *help, *afilename, *varname;
fncode newfn;
vlist argument;
u16 clen;
i8 nargs;
u8 nb_locals, *cvars;
varlist closure, cvar;
/* Code strings must be allocated before code (immutability restriction) */
if (f->help)
help = alloc_string(f->help);
else
help = NULL;
GCPRO1(help);
/* Make variable name (if present) */
if (f->varname)
varname = alloc_string(f->varname);
else
varname = NULL;
GCPRO1(varname);
/* Make filename string */
afilename = make_filename(f->l.filename);
GCPRO1(afilename);
if (f->varargs)
/* varargs makes a vector from the first nargs entries of the stack and
stores it in local value 0 */
nargs = -1;
else
/* count the arguments */
for (nargs = 0, argument = f->args; argument; argument = argument->next)
nargs++;
newfn = new_fncode(fnglobals(fn), f->l, FALSE, nargs);
if (!f->varargs)
{
/* Generate code to check the argument types */
for (nargs = 0, argument = f->args; argument; argument = argument->next)
{
if (argument->type != stype_any)
ins1(OPmvcheck4 + argument->type, nargs, newfn);
nargs++;
}
}
/* Generate code of function */
env_push(f->args, newfn);
start_block("<return>", FALSE, FALSE, newfn);
generate_component(f->value, NULL, FALSE, newfn);
end_block(newfn);
if (f->type != stype_any) ins0(OPmscheck4 + f->type, newfn);
ins0(OPmreturn, newfn);
closure = env_pop(&nb_locals);
c = generate_fncode(newfn, nb_locals, help, varname, afilename, f->l.lineno);
/* Generate code for creating closure */
/* Count length of closure */
clen = 0;
for (cvar = closure; cvar; cvar = cvar->next) clen++;
/* Generate closure */
cvars = ins_closure(c, clen, fn);
/* Add variables to it */
for (cvar = closure; cvar; cvar = cvar->next)
*cvars++ = (cvar->offset << 1) + cvar->vclass;
delete_fncode(newfn);
GCPOP(3);
}
/*
* Start the tasks, with much stuff in the environment. If concurrent
* master, this could be on behalf of some other mpiexec to which we
* will forward any event/error results.
*/
int
start_tasks(int spawn)
{
int i, ret = 0;
char *nargv[3];
char pwd[PATH_MAX];
char *cp;
int conns[3]; /* expected connections to the stdio process */
int master_port = 0;
const char *user_shell;
growstr_t *g;
int gmpi_port[2];
int pmi_fd;
int task_start, task_end;
const char *mpiexec_redir_helper_path;
char *psm_uuid = NULL;
int tv_port = 0;
/* for looping from 0..numtasks in the case of MPI_Spawn */
task_start = spawns[spawn].task_start;
task_end = spawns[spawn].task_end;
/*
* Get the pwd. Probably can trust libc not to overflow this,
* but who knows.
*/
if (!getcwd(pwd, sizeof(pwd)))
error("%s: no current working directory", __func__);
pwd[sizeof(pwd)-1] = '\0';
/*
* Eventually use the user's preferred shell.
*/
if ((cp = getenv("SHELL")))
user_shell = cp;
else if (pswd->pw_shell)
user_shell = pswd->pw_shell;
else
user_shell = "/bin/sh"; /* assume again */
/*
* Rewrite argv to go through user's shell, just like rsh.
* $SHELL, "-c", "cd <path>; exec <argv0> <argv1>..."
* But to change the working dir and not frighten weak shells like tcsh,
* we must detect that the dir actually exists on the far side before
* committing to the cd. Use /bin/sh for this task, hoping it exists
* everywhere we'll be. Then there's also a bit of quoting nightmare
* to handle too. So we'll end up with:
* rsh node "/bin/sh -c 'if test -d $dir ; then cd $dir ; fi ; $SHELL -c
* \'exec argv0 argv1 ...\''"
* but with argv* (including the executable, argv0) changed to replace
* all occurrences of ' with '\''.
*/
nargv[0] = strsave("/bin/sh"); /* assume this exists everywhere */
nargv[1] = strsave("-c");
/* exec_line constructed for each process */
g = growstr_init();
/*
* Start stdio stream handler process, if anybody gets stdin,
* or !nostdout.
*/
if (cl_args->which_stdin == STDIN_NONE)
conns[0] = 0;
else if (cl_args->which_stdin == STDIN_ONE) {
if (spawn == 0)
conns[0] = 1;
else
conns[0] = 0; /* already connected the single stdin */
} else if (cl_args->which_stdin == STDIN_ALL) {
/* total processes which connect stdin */
conns[0] = 0;
for (i=task_start; i<task_end; i++)
conns[0] += tasks[i].num_copies;
}
if (cl_args->nostdout)
conns[1] = conns[2] = 0;
else
/* even for p4 and shmem, not with multiplicity */
conns[1] = conns[2] = task_end - task_start;
/*
* Initialize listener sockets for gm and ib, since these will be
* used to implement MPI_Abort in the stdio listener later.
*/
if (cl_args->comm == COMM_MPICH_GM) {
prepare_gm_startup_ports(gmpi_port);
} else if (cl_args->comm == COMM_MPICH_IB) {
master_port = prepare_ib_startup_port(&gmpi_fd[0]);
gmpi_fd[1] = -1;
} else if (cl_args->comm == COMM_MPICH_PSM) {
master_port = prepare_psm_startup_port(&gmpi_fd[0]);
gmpi_fd[1] = -1;
} else if (cl_args->comm == COMM_MPICH_RAI) {
master_port = prepare_rai_startup_port();
gmpi_fd[0] = -1;
gmpi_fd[1] = -1;
} else {
gmpi_fd[0] = -1;
gmpi_fd[1] = -1;
}
pmi_fd = -1;
if (cl_args->comm == COMM_MPICH2_PMI) {
/* stdio listener handles all PMI activity, even startup */
if (spawn == 0)
master_port = prepare_pmi_startup_port(&pmi_fd);
else
master_port = stdio_msg_parent_say_more_tasks(
task_end - task_start, conns);
}
/* flush output buffer, else forked child will have the output too */
fflush(stdout);
/* fork the listener (unless we're just spawning more tasks) */
if (spawn == 0)
stdio_fork(conns, gmpi_fd, pmi_fd);
if (pmi_fd >= 0)
close(pmi_fd); /* child has it now */
numtasks_waiting_start = 0;
if (cl_args->comm == COMM_NONE)
/* do not complain if they exit before all other tasks are up */
startup_complete = 1;
else
startup_complete = 0;
/*
* Start signal handling _after_ stdio child is up.
*/
handle_signals(0, 0, killall);
/*
* environment variables common to all tasks
*/
env_init();
/* override user env with these */
if (cl_args->comm == COMM_MPICH_GM) {
env_add_int("GMPI_MAGIC", atoi(jobid));
/* PBS always gives us the "mother superior" node first in the list */
env_add("GMPI_MASTER", nodes[0].name);
env_add_int("GMPI_PORT", gmpi_port[0]); /* 1.2.5..10 */
env_add_int("GMPI_PORT1", gmpi_port[0]); /* 1.2.4..8a */
env_add_int("GMPI_PORT2", gmpi_port[1]);
env_add_int("GMPI_NP", numtasks);
env_add_int("GMPI_BOARD", -1);
/* ditto for new MX version */
env_add_int("MXMPI_MAGIC", atoi(jobid));
env_add("MXMPI_MASTER", nodes[0].name);
env_add_int("MXMPI_PORT", gmpi_port[0]);
env_add_int("MXMPI_NP", numtasks);
env_add_int("MXMPI_BOARD", -1);
/* for MACOSX to override default malloc */
env_add_int("DYLD_FORCE_FLAT_NAMESPACE", 1);
}
if (cl_args->comm == COMM_EMP) {
growstr_t *emphosts = growstr_init();
for (i=0; i<numtasks; i++)
growstr_printf(emphosts, "%s%s", (i > 0 ? " " : ""),
nodes[tasks[i].node].mpname);
env_add("EMPHOSTS", emphosts->s);
growstr_free(emphosts);
}
if (cl_args->comm == COMM_MPICH_IB || cl_args->comm == COMM_MPICH_RAI) {
int len;
char *cq, *cr;
env_add("MPIRUN_HOST", nodes[0].name); /* master address */
env_add_int("MPIRUN_PORT", master_port);
env_add_int("MPIRUN_NPROCS", numtasks);
env_add_int("MPIRUN_ID", atoi(jobid)); /* global job id */
/*
* pmgr_version >= 3 needs this terribly long string in every task.
* Since it may be quite large, we do the allocation by hand and
* skip some growstr overhead.
*/
len = numtasks; /* separating colons and terminal \0 */
for (i=0; i<numtasks; i++)
len += strlen(nodes[tasks[i].node].name);
cq = cp = Malloc(len);
for (i=0; i<numtasks; i++) {
for (cr=nodes[tasks[i].node].name; *cr; cr++)
*cq++ = *cr;
*cq++ = ':';
}
--cq;
*cq = '\0';
env_add("MPIRUN_PROCESSES", cp);
free(cp);
}
if (cl_args->comm == COMM_MPICH2_PMI) {
growstr_t *hp = growstr_init();
growstr_printf(hp, "%s:%d", nodes[0].name, master_port);
env_add("PMI_PORT", hp->s);
growstr_free(hp);
if (spawn > 0)
env_add_int("PMI_SPAWNED", 1);
}
if (cl_args->comm == COMM_PORTALS) {
growstr_t *nidmap = growstr_init();
growstr_t *pidmap = growstr_init();
portals_build_nidpid_maps(spawn, nidmap, pidmap);
env_add("PTL_NIDMAP", nidmap->s);
env_add("PTL_PIDMAP", pidmap->s);
growstr_free(nidmap);
growstr_free(pidmap);
env_add("PTL_IFACE", "eth0"); /* XXX: no way to know */
}
if (cl_args->comm == COMM_MPICH_P4 && numtasks > 1)
master_port = prepare_p4_master_port();
if (cl_args->comm == COMM_MPICH_PSM) {
/* We need to generate a uuid of the form
* 9dea0f22-39a4-462a-80c9-b60b28cdfd38. If /usr/bin/uuidgen exists,
* we should probably just use that.
* 4bytes-2bytes-2bytes-2bytes-6bytes
*/
char uuid_packed[16];
unsigned char *p = (unsigned char *) uuid_packed;
int fd, rret;
fd = open("/dev/urandom", O_RDONLY);
if (fd < 0)
error_errno("%s: open /dev/urandom", __func__);
rret = read_full_ret(fd, uuid_packed, sizeof(uuid_packed));
if (rret < 0)
error_errno("%s: read /dev/urandom", __func__);
if (rret != sizeof(uuid_packed))
error("%s: short read /dev/urandom", __func__);
close(fd);
psm_uuid = Malloc(37); /* 16 * 2 + 4 + 1 */
snprintf(psm_uuid, 37,
"%02x%02x%02x%02x-%02x%02x-%02x%02x-"
"%02x%02x-%02x%02x%02x%02x%02x%02x",
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
psm_uuid[36] = '\0';
}
/*
* Ports on which to talk to listener process for stdout/stderr
* connection (if !-nostdout).
*/
if (stdio_port(1) >= 0)
env_add_int("MPIEXEC_STDOUT_PORT", stdio_port(1));
if (stdio_port(2) >= 0)
env_add_int("MPIEXEC_STDERR_PORT", stdio_port(2));
/*
* Add our hostname too, for use by the redir-helper. And resolve
* it now via the user's path for use by the spawns.
*/
if (HAVE_PBSPRO_HELPER) {
env_add("MPIEXEC_HOST", nodes[0].name);
mpiexec_redir_helper_path = resolve_exe("mpiexec-redir-helper", 1);
}
/* now the env as given from pbs */
env_add_environ();
/* if pbs did not give us these, put in some defaults */
env_add_if_not("PATH", _PATH_DEFPATH);
env_add_if_not("USER", pswd->pw_name);
/*
* Set up for totalview attach. Returns local port number that will be
* used in command startup to tell processes how to find us. These two
* env vars are necessary in all processes. The first tells them to
* consume the tv_ready message. The second is checked in MPI_Init to
* determine if they should wait for all processes to be attached by
* totalview.
*/
if (cl_args->tview && cl_args->comm == COMM_MPICH2_PMI) {
env_add_int("PMI_TOTALVIEW", 1);
env_add_int("MPIEXEC_DEBUG", 1);
tv_port = tv_startup(task_end - task_start);
}
/*
* Spawn each task, adding its private env vars.
* numspawned set to zero earlier before signal handler setup;
* both it and i walk the iterations in the loop.
*/
for (i=task_start; i<task_end; i++) {
env_push();
if (cl_args->comm == COMM_MPICH_GM) {
/* build proc-specific gmpi_opts in envp */
env_add_int("GMPI_ID", i);
env_add_int("MXMPI_ID", i);
env_add("GMPI_SLAVE", nodes[tasks[i].node].name); /* 1.2.5..10 */
}
if (cl_args->comm == COMM_SHMEM) {
/* earlier in get_hosts we checked that there is only one task */
env_add_int("MPICH_NP", tasks[0].num_copies);
}
if (cl_args->comm == COMM_MPICH_IB || cl_args->comm == COMM_MPICH_RAI)
env_add_int("MPIRUN_RANK", i);
if (cl_args->comm == COMM_MPICH_IB) {
/* hack for topspin adaptation of mvapich 0.9.2 */
env_add("MPIRUN_NODENAME", nodes[tasks[i].node].name);
}
if (cl_args->comm == COMM_MPICH2_PMI) {
/* task id is always 0-based, even for spawn */
env_add_int("PMI_ID", i - task_start);
if (strcmp(nodes[tasks[i].node].mpname,
nodes[tasks[i].node].name) != 0)
env_add("MPICH_INTERFACE_HOSTNAME",
nodes[tasks[i].node].mpname);
}
if (cl_args->comm == COMM_MPICH_PSM) {
/* build one big string with everything in it */
char buf[2048];
snprintf(buf, sizeof(buf) - 1,
"%d %d %s %d %d %d %d %d %d %d %s",
0, /* protocol version */
0x4, /* protocol flags, ASYNC_SHUTDOWN=0x4 */
nodes[0].name, /* spawner host */
master_port, /* spawner port */
atoi(jobid), /* spawner jobid */
numtasks, /* COMM_WORLD size */
i - task_start, /* COMM_WORLD rank for this process */
nodes[tasks[i].node].numcpu, /* num local ranks */
tasks[i].cpu_index[0], /* my local rank */
60, /* timeout... */
psm_uuid);
buf[sizeof(buf) - 1] = '\0';
env_add("MPI_SPAWNER", buf);
}
if (cl_args->comm == COMM_PORTALS)
env_add_int("PTL_MY_RID", i);
if (cl_args->comm == COMM_NONE)
env_add_int("MPIEXEC_RANK", i);
/* either no stdin, or just to proc #0, or to all of them */
if (cl_args->which_stdin == STDIN_ONE && i == 0) {
env_add_int("MPIEXEC_STDIN_PORT", stdio_port(0));
/* do not add _HOST for p4, since we don't want
* the children of the big or remote master to
* connect. This _PORT is just for PBS, not for MPICH. */
}
if (cl_args->which_stdin == STDIN_ALL) {
env_add_int("MPIEXEC_STDIN_PORT", stdio_port(0));
if (cl_args->comm == COMM_MPICH_P4)
/* slave processes need to be told which host, as the stdin
* connection happens not in pbs_mom, but in mpich/p4 library
* code when it spawns each of the other tasks. */
env_add("MPIEXEC_STDIN_HOST", nodes[0].name);
}
env_terminate();
/* build proc-specific command line */
growstr_zero(g);
g->translate_single_quote = 0;
/*
* Totalview is a bit odd, even hackish perhaps. Send the pid
* the just-starting process to ourselves via /dev/tcp, some sort
* of virtual device that makes a TCP connection as told and sends
* the echoed data.
*/
if (cl_args->tview && cl_args->comm == COMM_MPICH2_PMI)
growstr_printf(g, "if hash nc > /dev/null; then printf %%10d $$ | nc %s %d; else printf %%10d $$ > /dev/tcp/%s/%d; fi; "
"if test -d \"%s\"; then cd \"%s\"; fi; exec %s -c ",
nodes[0].name, tv_port,
nodes[0].name, tv_port,
pwd, pwd, user_shell);
else
growstr_printf(g,
"if test -d \"%s\"; then cd \"%s\"; fi; exec %s -c ",
pwd, pwd, user_shell);
growstr_append(g, "'exec ");
g->translate_single_quote = 1;
/*
* PBSPro environments do not know how to redirect standard streams.
* So we fork a helper program that lives in the user's PATH, hopefully
* the same place as mpiexec, that does the redirection then execs the
* actual executable. This will break on OpenPBS or Torque, although
* I guess the redir helper could unset the env vars, but I'd rather
* people just didn't use the redir helper in that case.
*/
if (HAVE_PBSPRO_HELPER)
growstr_printf(g, "%s ", mpiexec_redir_helper_path);
/*
* The executable, or a debugger wrapper around it. In the mpich2
* case we don't need any special args.
*/
if (cl_args->tview && cl_args->comm != COMM_MPICH2_PMI) {
if (i == 0)
growstr_printf(g, "%s %s -a -mpichtv", tvname,
tasks[i].conf->exe);
else
growstr_printf(g, "%s -mpichtv", tasks[i].conf->exe);
} else
growstr_printf(g, "%s", tasks[i].conf->exe);
/* process arguments _before_ p4 arguments to allow xterm/gdb hack */
if (tasks[i].conf->args)
growstr_printf(g, " %s", tasks[i].conf->args);
if (cl_args->comm == COMM_MPICH_P4) {
/*
* Pass the cwd to ch_p4, else it tries to chdir(exedir). Thanks
* to Ben Webb <*****@*****.**> for fixing this.
*/
growstr_printf(g, " -p4wd %s", pwd);
/* The actual flag names are just for debugging; they're not used
* but the order is important. */
growstr_printf(g, " -execer_id mpiexec");
growstr_printf(g, " -master_host %s", nodes[tasks[0].node].mpname);
growstr_printf(g, " -my_hostname %s", nodes[tasks[i].node].mpname);
growstr_printf(g, " -my_nodenum %d", i);
growstr_printf(g, " -my_numprocs %d", tasks[i].num_copies);
growstr_printf(g, " -total_numnodes %d", numtasks);
growstr_printf(g, " -master_port %d", master_port);
if (i == 0 && numtasks > 1) {
int j;
/* list of: <hostname> <procs-on-that-node> */
growstr_printf(g, " -remote_info");
for (j=1; j<numtasks; j++)
growstr_printf(g, " %s %d",
nodes[tasks[j].node].mpname, tasks[j].num_copies);
}
}
g->translate_single_quote = 0;
growstr_printf(g, "'"); /* close quote for 'exec myjob ...' */
nargv[2] = g->s;
/*
* Dump all the info if sufficiently verbose.
*/
debug(2, "%s: command to %d/%d %s: %s", __func__, i, numtasks,
nodes[tasks[i].node].name, nargv[2]);
if (cl_args->verbose > 2) {
int j;
debug(3, "%s: environment to %d/%d %s", __func__, i,
numtasks, nodes[tasks[i].node].name);
for (j=0; (cp = envp[j]); j++)
printf("env %2d %s\n", j, cp);
}
if (concurrent_master) {
tm_event_t evt;
int err;
/* Note, would like to add obit immediately, but that is
* not allowed until the START message is polled.
*/
err = tm_spawn(list_count(nargv), nargv, envp,
nodes[tasks[i].node].ids[tasks[i].cpu_index[0]],
&tasks[i].tid, &evt);
if (err != TM_SUCCESS)
error_tm(err, "%s: tm_spawn task %d", __func__, i);
evt_add(evt, -1, i, EVT_START);
} else {
concurrent_request_spawn(i, list_count(nargv), nargv, envp,
nodes[tasks[i].node].ids[tasks[i].cpu_index[0]]);
}
tasks[i].done = DONE_NOT; /* has now been started */
env_pop();
++numspawned;
++numtasks_waiting_start;
if (cl_args->comm == COMM_MPICH_P4 && i == 0 && numtasks > 1) {
ret = wait_task_start();
if (ret)
break; /* don't bother trying to start the rest */
ret = read_p4_master_port(&master_port);
if (ret)
break;
}
/*
* Pay attention to incoming tasks so they don't time out while
* we're starting up all the others, non blocking.
*/
if (cl_args->comm == COMM_MPICH_IB) {
int one = 1;
for (;;) {
ret = service_ib_startup(one);
one = 0; /* only report the new task that first time */
if (ret < 0) {
ret = 1;
goto out;
}
if (ret == 0) /* nothing accomplished */
break;
}
}
if (cl_args->comm == COMM_MPICH_GM) {
int one = 1;
for (;;) {
ret = service_gm_startup(one);
one = 0; /* only report the new task that first time */
if (ret < 0) {
ret = 1;
goto out;
}
if (ret == 0) /* nothing accomplished */
break;
}
}
if (cl_args->comm == COMM_MPICH_PSM) {
int one = 1;
for (;;) {
ret = service_psm_startup(one);
one = 0; /* only report the new task that first time */
if (ret < 0) {
ret = 1;
goto out;
}
if (ret == 0) /* nothing accomplished */
break;
}
}
if (cl_args->tview && cl_args->comm == COMM_MPICH2_PMI)
tv_accept_one(i);
}
if (cl_args->tview && cl_args->comm == COMM_MPICH2_PMI)
tv_complete();
/* don't need these anymore */
free(nargv[0]);
free(nargv[1]);
growstr_free(g);
if (cl_args->comm == COMM_MPICH_PSM)
free(psm_uuid);
if (ret)
goto out;
/*
* Wait for spawn events and submit obit requests.
*/
while (numtasks_waiting_start) {
ret = wait_task_start();
if (ret)
goto out;
}
debug(1, "All %d task%s (spawn %d) started", task_end - task_start,
task_end - task_start > 1 ? "s": "", spawn);
/*
* Finalize mpi-specific startup protocal, e.g. wait for all tasks to
* checkin, perform barrier, etc.
*/
if (cl_args->comm == COMM_MPICH_GM)
ret = read_gm_startup_ports();
if (cl_args->comm == COMM_MPICH_IB)
ret = read_ib_startup_ports();
if (cl_args->comm == COMM_MPICH_PSM)
ret = read_psm_startup_ports();
if (cl_args->comm == COMM_MPICH_RAI)
ret = read_rai_startup_ports();
if (ret == 0)
startup_complete = 1;
out:
return ret;
}