int Winapi
ec_init(void)
{
char * initfile = (char *) 0;
char filename_buf[MAX_PATH_LEN];
pword goal,module;
int res;
/*----------------------------------------------------------------
* Make the connection to the shared heap, if any.
* Because of mmap problems on some machines this should
* happen AFTER initializing the message passing system.
*----------------------------------------------------------------*/
mem_init(ec_options.init_flags); /* depends on -c and -m options */
/*
* Init the global (shared) eclipse structures, dictionary, code...
* Maybe load a saved state.
* Note that we don't have an engine yet!
*/
eclipse_global_init(ec_options.init_flags);
/*----------------------------------------------------------------
* Setup the Prolog engine
*----------------------------------------------------------------*/
/*
* Initialize the Prolog engine
*/
emu_init(ec_options.init_flags, 0);
initfile = strcat(strcpy(filename_buf, ec_eclipse_home), "/lib/kernel.eco");
if (ec_access(initfile, R_OK) < 0)
{
initfile = strcat(strcpy(filename_buf, ec_eclipse_home), "/lib/kernel.pl");
if (ec_access(initfile, R_OK) < 0)
{
ec_panic("Aborting: Can't find boot file! Please check either\na) your program's setting for eclipsedir in ec_set_option(), or\nb) your setting for ECLIPSEDIR environment variable.\n","ec_init()");
}
}
res = eclipse_boot(initfile);
if (res != PSUCCEED)
return res;
goal = ec_term(ec_did("main",1), ec_long(ec_options.init_flags & INIT_SHARED ? 0 : 1));
module.val.did = ec_.d.kernel_sepia;
module.tag.kernel = ModuleTag(ec_.d.kernel_sepia);
if (main_emulc_noexit(goal.val, goal.tag, module.val, module.tag) != PYIELD)
return PFAIL;
return PSUCCEED;
}
int
main(int argc, char **argv)
{
char bootfile_buf[MAX_PATH_LEN];
char * initfile = (char *) 0;
char * eclipsedir = (char *) 0;
int c, new_argc;
pword goal, module;
int err;
int init_flags = INIT_SHARED|INIT_PRIVATE|INIT_ENGINE|INIT_PROCESS;
unsigned startup_delay = 0;
int vm_options = 0;
char * session, * nsrv_hostname;
unsigned nsrv_port_number;
#ifdef PROFILE
moncontrol(0); /* disable profiling by default */
#endif
/*
* collect information from the command line
* remove some internally used arguments from the command line
*/
for (c = new_argc = 1; c < argc; )
{
if (argv[c][0] == '-' && argv[c][2] == 0) /* single char opt */
{
switch (argv[c][1])
{
case 'a': /* -a <worker> <session>
<nsrv_hostname> <nsrv_port_no> */
if (++c + 4 > argc) usage(argv[c-1]);
ec_options.parallel_worker = atoi(argv[c++]);
session = argv[c++];
nsrv_hostname = argv[c++];
nsrv_port_number = atoi(argv[c++]);
break;
case 'c': /* -c <shared_map_file> */
if (++c + 1 > argc) usage(argv[c-1]);
ec_options.mapfile = argv[c++];
ec_options.allocation = ALLOC_FIXED;
init_flags &= ~INIT_SHARED;
break;
case 'm': /* -m <shared_map_file> */
if (++c + 1 > argc) usage(argv[c-1]);
ec_options.mapfile = argv[c++];
ec_options.allocation = ALLOC_FIXED;
break;
case 'b': /* -b <bootfile> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c++]; /* shift */
break;
case 'e': /* -e <goal> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c++]; /* shift */
break;
case 'g': /* -g <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
ec_options.globalsize = sizearg(argv[c++]);
if (ec_options.globalsize < MIN_GLOBAL) {
ec_bad_exit("ECLiPSe: Global stack size out of range.");
}
break;
case 'd': /* -d <n> */
/* delay worker startup by <n> seconds */
if (++c + 1 > argc) usage(argv[c-1]);
startup_delay = atoi(argv[c++]);
if (startup_delay == 0)
ec_options.io_option = OWN_IO; /* every worker has its own i/o */
else
sleep(startup_delay);
break;
case 'D': /* -D <eclipsedir> */
if (++c + 1 > argc) usage(argv[c-1]);
eclipsedir = argv[c++];
break;
case 'l': /* -l <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
ec_options.localsize = sizearg(argv[c++]);
if (ec_options.localsize < MIN_LOCAL) {
ec_bad_exit("ECLiPSe: local stack size out of range.");
}
break;
case 'h': /* -h <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
ec_options.privatesize = sizearg(argv[c++]);
if (ec_options.privatesize < MIN_PRIVATE) {
ec_bad_exit("ECLiPSe: Private heap size out of range.");
}
break;
case 's': /* -s <size> */
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-1]);
argv[new_argc++] = argv[c]; /* shift */
ec_options.sharedsize = sizearg(argv[c++]);
if (ec_options.sharedsize < MIN_SHARED) {
ec_bad_exit("ECLiPSe: Shared heap size out of range.");
}
break;
case 'o': /* enable oracles */
c += 1;
vm_options = ORACLES_ENABLED;
break;
case 'p':
argv[new_argc++] = argv[c]; /* shift */
if (++c + 1 > argc) usage(argv[c-2]);
argv[new_argc++] = argv[c]; /* shift */
ec_options.option_p = atoi(argv[c++]);
break;
case '-': /* -- give the rest to Prolog */
for (; c < argc;)
argv[new_argc++] = argv[c++];
break;
default: /* unknown: error */
usage(argv[c]);
break;
}
}
else if (!strcmp(argv[c], "-debug_level"))
{
if (++c + 1 > argc) usage(argv[c-1]);
ec_options.debug_level = atoi(argv[c++]);
}
else if (!strcmp(argv[c], "-layout"))
{
int lflags = 0;
char *from = 0;
char *to = 0;
long increment = 0L;
if (++c + 1 <= argc)
lflags = (int) strtol(argv[c++], (char **) 0, 16);
if (c + 1 <= argc)
increment = strtol(argv[c++], (char **) 0, 16);
if (c + 1 <= argc)
from = (char *) strtol(argv[c++], (char **) 0, 16);
if (c + 1 <= argc)
to = (char *) strtol(argv[c++], (char **) 0, 16);
if (ec_options.allocation == ALLOC_FIXED)
mem_layout();
#ifdef HAVE_MMAP
ec_layout(lflags, from, to, increment);
#else
ec_bad_exit("ECLiPSe: The -layout scan is not supported without\nmemory mapping.");
#endif
}
else if (!strcmp(argv[c], "-norl"))
{
argv[new_argc++] = argv[c++]; /* shift */
ec_options.rl = 0;
}
else /* raise error unless preceeded by a -- option */
{
usage(argv[c]);
}
}
/*----------------------------------------------------------------
* Initialize private heap as early as possible
* (must be before setup_mps())
*----------------------------------------------------------------*/
malloc_init();
irq_lock_init(delayed_break);
/*----------------------------------------------------------------
* Init message passing system
*----------------------------------------------------------------*/
if (ec_options.parallel_worker)
{
setup_mps(ec_options.parallel_worker, session, nsrv_hostname,
nsrv_port_number, init_flags & INIT_SHARED);
}
/*----------------------------------------------------------------
* Make the connection to the shared heap, if any.
* Because of mmap problems on some machines this should
* happen AFTER initializing the message passing system.
*----------------------------------------------------------------*/
mem_init(init_flags); /* depends on -c and -m options */
/*----------------------------------------------------------------
* Init parallel scheduler etc.
*----------------------------------------------------------------*/
if (ec_options.parallel_worker)
{
parallel_init(init_flags);
}
/*----------------------------------------------------------------
* Init the low-level I/O stuff, ie the part which should
* really not be done by eclipse itself...
*----------------------------------------------------------------*/
/* char_io_init(); does not yet exist */
/*----------------------------------------------------------------
* Entry point after longjmp(reset)
*----------------------------------------------------------------*/
switch (setjmp(reset))
{
case 0: /* raw boot or -r from above */
break;
case 3: /* restore program state */
case 2:
init_flags = REINIT_SHARED|INIT_ENGINE|INIT_PRIVATE;
break;
case 4: /* restore execution state */
init_flags = REINIT_SHARED|INIT_PRIVATE;
break;
case 1: /* reset after fatal error */
default:
if (!(GlobalFlags & HEAP_READY) || ec_options.parallel_worker)
{
(void) ec_cleanup();
exit(-1);
}
init_flags = INIT_ENGINE;
switch (memory_corrupted++)
{
case 0:
break;
case 1:
/* try to print a message */
memory_corrupted = 2;
ec_bad_exit("ECLiPSe: Fatal error, memory corrupted.");
/* fall to */
case 2:
/* we couldn't even print the message */
exit(-1);
}
break;
}
/*
* set up our own panic function which longjumps back to reset
* To access command line through global variabes
*/
ec_options.user_panic = main_panic;
ec_options.Argc = new_argc;
ec_options.Argv = argv;
ec_options.eclipse_home = (char *) 0;
ec_options.init_flags = init_flags;
if (eclipsedir)
ec_options.eclipse_home = eclipsedir;
/*
* Init the global (shared) eclipse structures, dictionary, code...
* Maybe load a saved state.
* Note that we don't have an engine yet!
*/
eclipse_global_init(init_flags);
/*----------------------------------------------------------------
* Setup the Prolog engine
*----------------------------------------------------------------*/
/*
* If we have a PROG_AND_DATA saved state (execution state saved)
* we are finished and enter the emulator.
*/
if (!(init_flags & INIT_ENGINE))
{
err = restart_emulc();
(void) ec_cleanup();
exit(err);
}
/*
* Initialize the Prolog engine
*/
emu_init(init_flags, vm_options);
/*
* If we are not running an already booted eclipse,
* compile $ECLIPSEDIR/lib/kernel.eco
*/
if (init_flags & INIT_SHARED)
{
char msg[1024];
initfile = strcat(strcpy(bootfile_buf, ec_eclipse_home), "/lib/kernel.eco");
if (ec_access(initfile, R_OK) < 0)
{
sprintf(msg,
"ECLiPSe: Can't find boot file %s!\nPlease check the setting of your ECLIPSEDIR environment variable\nor use the -D <dir> command line option.",
initfile);
ec_bad_exit(msg);
}
err = eclipse_boot(initfile);
if (err != PSUCCEED)
{
(void) ec_cleanup();
exit(err);
}
}
if (init_flags & (INIT_SHARED|REINIT_SHARED))
GlobalFlags |= HEAP_READY; /* for the other workers */
goal = ec_term(ec_did("main",1), ec_long(init_flags & INIT_SHARED ? 0 : 1));
module.val.did = d_.kernel_sepia;
module.tag.kernel = ModuleTag(d_.kernel_sepia);
if (ec_options.parallel_worker <= 1) /* only or first worker */
{
err = main_emulc_noexit(goal.val, goal.tag, module.val, module.tag);
if (err == PYIELD)
{
memory_corrupted = 0; /* assume it's ok */
ec_post_goal(ec_term(ec_did(":",2), ec_atom(ec_did("sepia_kernel",0)),
ec_atom(ec_did("standalone_toplevel",0))));
do {
err = ec_resume();
} while (err == PYIELD);
}
}
else
{
err = slave_emulc();
}
ec_cleanup();
exit(err);
/*NOTREACHED*/
}
