=================================================================== RCS file: /home/cvs/OpenXM/src/oxc/sm_ext.c,v retrieving revision 1.6 retrieving revision 1.12 diff -u -p -r1.6 -r1.12 --- OpenXM/src/oxc/sm_ext.c 2000/11/30 10:27:02 1.6 +++ OpenXM/src/oxc/sm_ext.c 2016/04/02 15:01:46 1.12 @@ -1,5 +1,5 @@ /* -*- mode: C; coding: euc-japan -*- */ -/* $OpenXM: OpenXM/src/oxc/sm_ext.c,v 1.5 2000/11/28 18:11:42 ohara Exp $ */ +/* $OpenXM: OpenXM/src/oxc/sm_ext.c,v 1.11 2016/04/01 18:12:39 ohara Exp $ */ #include #include @@ -10,13 +10,33 @@ #include #include "sm.h" +static int sm_control_spawn(); +static int sm_control_terminate(); +static int sm_control_kill(); +static int sm_control_reset_pid(); + +static void pid_extend(); +static int pid_lookup(pid_t pid); +static int pid_registered(pid_t pid); +static void pid_register(pid_t pid); +static void pid_delete(pid_t pid); +static int pid_reset(pid_t pid); +static int pid_kill(pid_t pid); +static void pid_kill_all(); + +#define IS_CMO_INT32(c) ((c) && ((c)->tag == CMO_INT32)) +#define IS_CMO_STRING(c) ((c) && ((c)->tag == CMO_STRING)) +#define IS_CMO_LIST(c) ((c) && ((c)->tag == CMO_LIST)) +#define IS_CMO_LIST_LEN(c,n) (IS_CMO_LIST(c) && (list_length((c)) >= (n))) + /* ultra loose data base. */ -static db db_localfunc[] = { +static struct { int (*func_ptr)(); char *key; } tbl_lfunc[] = { {lf_oxc_open, "spawn"}, + {lf_oxc_open, "oxc_open"}, {NULL, NULL} }; -static db db_sm[] = { +static struct { int (*func_ptr)(); int key; } tbl_smcmd[] = { {sm_control_spawn, SM_control_spawn_server}, {sm_control_terminate, SM_control_terminate_server}, {sm_executeFunction, SM_executeFunction}, @@ -24,28 +44,33 @@ static db db_sm[] = { {sm_set_mathcap, SM_setMathCap}, {sm_popCMO, SM_popCMO}, {sm_pops, SM_pops}, - {sm_control_reset_pid, SM_control_reset_connection_pid}, - {sm_control_kill, SM_control_kill}, - {NULL, NULL} + {sm_control_reset_pid, SM_control_reset_connection_server}, + {sm_control_kill, SM_control_kill}, + {NULL, 0} }; extern OXFILE *stack_oxfp; -__inline__ -static int (*db_search(void *key, db *dbs, int (*cmp)(void *, void *)))() +int (*sm_search_f(int code))() { - while (dbs->key != NULL) { - if (cmp(key, dbs->key) == 0) { - return dbs->func_ptr; + int i; + for (i=0; tbl_smcmd[i].key != 0; i++) { + if (code == tbl_smcmd[i].key) { + return tbl_smcmd[i].func_ptr; } - dbs++; } return NULL; } static int (*lookup_localfunction(char *name))() { - return db_search(name, db_localfunc, strcmp); + int i; + for (i=0; tbl_lfunc[i].key != NULL; i++) { + if (strcmp(name, tbl_lfunc[i].key) == 0) { + return tbl_lfunc[i].func_ptr; + } + } + return NULL; } /* @@ -53,7 +78,7 @@ Normally local functions push a return value to the st but, if error occurs, then these return non-positive numbers and the sm_executeFunction push an error object. */ -void sm_executeFunction() +int sm_executeFunction() { int (*func)(); int retcode = 0; @@ -62,11 +87,12 @@ void sm_executeFunction() func = lookup_localfunction(((cmo_string *)ob)->s); if (func != NULL) { if ((retcode = func()) > 0) { - return; + return 0; } } } push_error(retcode, ob); + return 0; } /* getargs() set number of popped objects to argc. */ @@ -78,7 +104,7 @@ static int getargs(cmo ***args) cmo_int32 *m = (cmo_int32 *)pop(); if (m->tag != CMO_INT32 || (argc = m->i) < 0) { - fprintf(stderr, "oxc: invalid arguments\n"); + ox_printf("oxc: invalid arguments\n"); }else { argv = (cmo **)malloc(sizeof(cmo *)*argc); for(i=0; i= pid_size) { - pids_extend(); + pids_extend(); } - pids[pid_ptr++] = pid; + pids[pid_ptr++] = pid; } -void pid_delete(pid_t pid) +static void pid_delete(pid_t pid) { int i = pid_lookup(pid); if (i >= 0 && i != --pid_ptr) { @@ -140,127 +166,134 @@ void pid_delete(pid_t pid) } } -int pid_reset(pid_t pid) +static int pid_reset(pid_t pid) { - if (pid_registed(pid)) { - kill(pid, SIGUSR1); - return 1; - } - return 0; + if (pid_registered(pid)) { + kill(pid, SIGUSR1); + return 1; + } + return 0; } -int pid_kill(pid_t pid) +static int pid_kill(pid_t pid) { - if (pid_registed(pid)) { - kill(pid, SIGKILL); - pid_delete(pid); - return 1; - } - return 0; + if (pid_registered(pid)) { + kill(pid, SIGKILL); + pid_delete(pid); + return 1; + } + return 0; } /* Killing all child processes */ -void pid_kill_all() +static void pid_kill_all() { - while(pid_ptr > 0) { + while(pid_ptr > 0) { kill(pids[--pid_ptr], SIGKILL); - } + } } cmo_error2 *type_checker(cmo *ob, int type) { -/* cmo_error2 *err_ob; */ - if (ob->tag != type) { - /* push and return an error object */ - } - return NULL; +/* cmo_error2 *err_ob; */ + if (ob->tag != type) { + /* push and return an error object */ + } + return NULL; } -int sm_control_spawn_main(int argc, cmo *argv[]) +int lf_oxc_open() { - char *cmd = ((cmo_string *)argv[0])->s; - int port = ((cmo_int32 *)argv[1])->i; - pid_t pid = lf_oxc_open_main(cmd, port); - if (pid > 0) { - push(new_cmo_int32(pid)); - pid_regist(pid); - } - return pid; + cmo_int32 *argc = (cmo_int32 *)pop(); + if (argc->tag == CMO_INT32 && argc->i == 1) { + return sm_control_spawn(); + } + push_error(-1, (cmo *)argc); + return -1; } -int lf_oxc_open() +int sm_control_spawn_typecheck(cmo_list *args, int *portp, char **s) { - cmo **argv; - if (getargs(&argv) != 2 || - type_checker(argv[0], CMO_STRING) != NULL - || type_checker(argv[0], CMO_INT32) != NULL) { - fprintf(stderr, "oxc: invalid arguments\n"); - return -1; + cmo_int32 *port; + cmo_string *name; + + if( IS_CMO_LIST_LEN(args,2) ) { + name = (cmo_string *)list_nth(args, 1); + args = (cmo_list *)list_first_cmo(args); + if( IS_CMO_STRING(name) && IS_CMO_LIST_LEN(args,1) ) { + port = (cmo_int32 *)list_first_cmo(args); + if( IS_CMO_INT32(port) && name->s && which(name->s, getenv("PATH")) != NULL) { + *portp = port->i; + *s = name->s; + return 1; + } + } } - return sm_control_spawn_main(2, argv); + return 0; } -int sm_control_spawn() +static int sm_control_spawn() { - cmo *argv[2]; - argv[0] = pop(); - argv[1] = pop(); + int port; + char *s; + pid_t pid; + cmo *args = pop(); - if (type_checker(argv[0], CMO_STRING) != NULL - || type_checker(argv[0], CMO_INT32) != NULL) { - fprintf(stderr, "oxc: invalid arguments\n"); - return -1; + if (sm_control_spawn_typecheck((cmo_list *)args, &port, &s)) { + pid = lf_oxc_open_main(s, (short)port); + if (pid > 0) { + push((cmo *)new_cmo_int32(pid)); + pid_register(pid); + ox_printf("oxc: spawns %s\n", s); + return pid; + } } - return sm_control_spawn_main(2, argv); + push_error(-1, (cmo *)args); + return 0; } -void sm_mathcap() +int sm_mathcap() { push((cmo *)oxf_cmo_mathcap(stack_oxfp)); + return 0; } -void sm_set_mathcap() +int sm_set_mathcap() { cmo_mathcap *m = (cmo_mathcap *)pop(); if (m->tag == CMO_MATHCAP) { oxf_mathcap_update(stack_oxfp, m); }else { - push_error(-1, m); + push_error(-1, (cmo *)m); /* an error object must be pushed */ } + return 0; } -void sm_control_kill() +static int sm_control_kill() { - pid_kill_all(); + pid_kill_all(); + return 0; } -void sm_control_terminate() +static int sm_control_terminate() { cmo_int32 *m = (cmo_int32 *)pop(); pid_t pid = m->i; if (m->tag != CMO_INT32 || !pid_kill(pid)) { - push_error(-1, m); + push_error(-1, (cmo *)m); } + return 0; } -void sm_control_reset_pid() +static int sm_control_reset_pid() { cmo_int32 *m = (cmo_int32 *)pop(); pid_t pid = m->i; if (m->tag != CMO_INT32 || !pid_reset(pid)) { - push_error(-1, m); - return; + push_error(-1, (cmo *)m); + return 0; } - /* ... */ -} - -static int intcmp(int key1, int key2) -{ - return key1 != key2; -} - -int (*sm_search_f(int code))() -{ - return db_search(code, db_sm, intcmp); + /* ... */ + return 0; }