version 1.1, 2000/10/13 06:05:12 |
version 1.6, 2000/11/30 10:27:02 |
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/* -*- mode: C; coding: euc-japan -*- */ |
/* -*- mode: C; coding: euc-japan -*- */ |
/* $OpenXM$ */ |
/* $OpenXM: OpenXM/src/oxc/sm_ext.c,v 1.5 2000/11/28 18:11:42 ohara Exp $ */ |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <unistd.h> |
#include <unistd.h> |
#include <string.h> |
#include <string.h> |
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#include <sys/types.h> |
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#include <signal.h> |
#include <ox_toolkit.h> |
#include <ox_toolkit.h> |
#include "sm.h" |
#include "sm.h" |
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/* ultra loose data base. */ |
/* ultra loose data base. */ |
static db db_localfunc[] = { |
static db db_localfunc[] = { |
{lf_oxc_open, "oxc_open"}, |
{lf_oxc_open, "spawn"}, |
{NULL, NULL} |
{NULL, NULL} |
}; |
}; |
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static db db_sm[] = { |
static db db_sm[] = { |
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{sm_control_spawn, SM_control_spawn_server}, |
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{sm_control_terminate, SM_control_terminate_server}, |
{sm_executeFunction, SM_executeFunction}, |
{sm_executeFunction, SM_executeFunction}, |
{sm_mathcap, SM_mathcap}, |
{sm_mathcap, SM_mathcap}, |
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{sm_set_mathcap, SM_setMathCap}, |
{sm_popCMO, SM_popCMO}, |
{sm_popCMO, SM_popCMO}, |
{sm_pops, SM_pops}, |
{sm_pops, SM_pops}, |
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{sm_control_reset_pid, SM_control_reset_connection_pid}, |
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{sm_control_kill, SM_control_kill}, |
{NULL, NULL} |
{NULL, NULL} |
}; |
}; |
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extern OXFILE *stack_oxfp; |
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__inline__ |
__inline__ |
static int (*db_search(void *key, db *dbs, int (*cmp)(void *, void *)))() |
static int (*db_search(void *key, db *dbs, int (*cmp)(void *, void *)))() |
{ |
{ |
Line 44 Normally local functions push a return value to the st |
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Line 53 Normally local functions push a return value to the st |
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but, if error occurs, then these return non-positive numbers and |
but, if error occurs, then these return non-positive numbers and |
the sm_executeFunction push an error object. |
the sm_executeFunction push an error object. |
*/ |
*/ |
void sm_executeFunction(OXFILE *oxfp) |
void sm_executeFunction() |
{ |
{ |
int (*func)(OXFILE *); |
int (*func)(); |
int retcode = 0; |
int retcode = 0; |
cmo *ob = pop(); |
cmo *ob = pop(); |
if (ob->tag == CMO_STRING) { |
if (ob->tag == CMO_STRING) { |
func = lookup_localfunction(((cmo_string *)ob)->s); |
func = lookup_localfunction(((cmo_string *)ob)->s); |
if (func != NULL) { |
if (func != NULL) { |
if ((retcode = func(oxfp)) > 0) { |
if ((retcode = func()) > 0) { |
return; |
return; |
} |
} |
} |
} |
} |
} |
push_error(retcode, ob); |
push_error(retcode, ob); |
} |
} |
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/* getargs() set number of popped objects to argc. */ |
/* getargs() set number of popped objects to argc. */ |
Line 66 static int getargs(cmo ***args) |
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Line 75 static int getargs(cmo ***args) |
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cmo **argv; |
cmo **argv; |
int i; |
int i; |
int argc = -1; |
int argc = -1; |
cmo_int32 *m = pop(); |
cmo_int32 *m = (cmo_int32 *)pop(); |
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if (m->tag != CMO_INT32 || (argc = m->i) < 0) { |
if (m->tag != CMO_INT32 || (argc = m->i) < 0) { |
fprintf(stderr, "oxc: invalid arguments\n"); |
fprintf(stderr, "oxc: invalid arguments\n"); |
Line 77 static int getargs(cmo ***args) |
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Line 86 static int getargs(cmo ***args) |
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} |
} |
*args = argv; |
*args = argv; |
} |
} |
return argc; |
return argc; |
} |
} |
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static int pids[1024] = {0}; |
#define MAX_PROCESS 1024 |
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/* Process Table */ |
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static pid_t *pids = NULL; |
static int pid_ptr = 0; |
static int pid_ptr = 0; |
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static int pid_size = 0; |
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int regist_pid(int pid) |
static void pids_extend() |
{ |
{ |
if (pid_ptr < 1024) { |
int size2 = pid_size + MAX_PROCESS; |
pids[pid_ptr++] = pid; |
pid_t *pids2 = (pid_t *)malloc(sizeof(pid_t)*size2); |
return pid; |
if (pids != NULL) { |
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memcpy(pids2, pids, sizeof(pid_t)*pid_size); |
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free(pids); |
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} |
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pid_size = size2; |
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pids = pids2; |
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} |
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int pid_lookup(pid_t pid) |
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{ |
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int i; |
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for(i=0; i<pid_ptr; i++) { |
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if (pids[i] == pid) { |
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return i; |
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} |
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} |
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return -1; |
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} |
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int pid_registed(pid_t pid) |
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{ |
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return pid_lookup(pid)+1; |
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} |
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void pid_regist(pid_t pid) |
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{ |
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if (pid_ptr >= pid_size) { |
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pids_extend(); |
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} |
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pids[pid_ptr++] = pid; |
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} |
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void pid_delete(pid_t pid) |
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{ |
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int i = pid_lookup(pid); |
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if (i >= 0 && i != --pid_ptr) { |
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pids[i] = pids[pid_ptr]; |
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} |
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} |
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int pid_reset(pid_t pid) |
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{ |
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if (pid_registed(pid)) { |
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kill(pid, SIGUSR1); |
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return 1; |
} |
} |
return 0; |
return 0; |
} |
} |
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int pid_kill(pid_t pid) |
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{ |
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if (pid_registed(pid)) { |
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kill(pid, SIGKILL); |
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pid_delete(pid); |
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return 1; |
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} |
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return 0; |
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} |
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/* Killing all child processes */ |
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void pid_kill_all() |
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{ |
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while(pid_ptr > 0) { |
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kill(pids[--pid_ptr], SIGKILL); |
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} |
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} |
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cmo_error2 *type_checker(cmo *ob, int type) |
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{ |
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/* cmo_error2 *err_ob; */ |
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if (ob->tag != type) { |
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/* push and return an error object */ |
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} |
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return NULL; |
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} |
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int sm_control_spawn_main(int argc, cmo *argv[]) |
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{ |
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char *cmd = ((cmo_string *)argv[0])->s; |
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int port = ((cmo_int32 *)argv[1])->i; |
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pid_t pid = lf_oxc_open_main(cmd, port); |
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if (pid > 0) { |
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push(new_cmo_int32(pid)); |
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pid_regist(pid); |
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} |
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return pid; |
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} |
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int lf_oxc_open() |
int lf_oxc_open() |
{ |
{ |
cmo **argv; |
cmo **argv; |
char *cmd; |
if (getargs(&argv) != 2 || |
int port; |
type_checker(argv[0], CMO_STRING) != NULL |
int pid; |
|| type_checker(argv[0], CMO_INT32) != NULL) { |
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fprintf(stderr, "oxc: invalid arguments\n"); |
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return -1; |
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} |
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return sm_control_spawn_main(2, argv); |
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} |
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if (getargs(&argv) != 2 || argv[0]->tag != CMO_STRING |
int sm_control_spawn() |
|| argv[1]->tag != CMO_INT32) { |
{ |
fprintf(stderr, "oxc: invalid arguments\n"); |
cmo *argv[2]; |
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argv[0] = pop(); |
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argv[1] = pop(); |
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if (type_checker(argv[0], CMO_STRING) != NULL |
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|| type_checker(argv[0], CMO_INT32) != NULL) { |
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fprintf(stderr, "oxc: invalid arguments\n"); |
return -1; |
return -1; |
} |
} |
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return sm_control_spawn_main(2, argv); |
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} |
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cmd = ((cmo_string *)argv[0])->s; |
void sm_mathcap() |
port = ((cmo_int32 *)argv[1])->i; |
{ |
pid = lf_oxc_open_main(cmd, port); |
push((cmo *)oxf_cmo_mathcap(stack_oxfp)); |
if (pid > 0) { |
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push(new_cmo_int32(pid)); |
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regist_pid(pid); |
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} |
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return pid; |
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} |
} |
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void sm_mathcap(OXFILE *oxfp) |
void sm_set_mathcap() |
{ |
{ |
cmo_mathcap *m = pop(); |
cmo_mathcap *m = (cmo_mathcap *)pop(); |
if (m->tag == CMO_MATHCAP) { |
if (m->tag == CMO_MATHCAP) { |
mathcap_update(m); |
oxf_mathcap_update(stack_oxfp, m); |
}else { |
}else { |
push_error(-1, m); |
push_error(-1, m); |
/* an error object must be pushed */ |
/* an error object must be pushed */ |
} |
} |
} |
} |
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void sm_control_kill() |
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{ |
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pid_kill_all(); |
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} |
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void sm_control_terminate() |
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{ |
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cmo_int32 *m = (cmo_int32 *)pop(); |
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pid_t pid = m->i; |
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if (m->tag != CMO_INT32 || !pid_kill(pid)) { |
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push_error(-1, m); |
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} |
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} |
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void sm_control_reset_pid() |
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{ |
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cmo_int32 *m = (cmo_int32 *)pop(); |
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pid_t pid = m->i; |
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if (m->tag != CMO_INT32 || !pid_reset(pid)) { |
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push_error(-1, m); |
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return; |
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} |
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/* ... */ |
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} |
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static int intcmp(int key1, int key2) |
static int intcmp(int key1, int key2) |
{ |
{ |
return key1 != key2; |
return key1 != key2; |
} |
} |
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int (*sm_search_f(int code))() |
int (*sm_search_f(int code))() |
{ |
{ |