version 1.13, 2000/12/03 21:46:52 |
version 1.21, 2003/02/12 08:28:41 |
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/* -*- mode: C; coding: euc-japan -*- */ |
/* -*- mode: C; coding: euc-japan -*- */ |
/* $OpenXM: OpenXM/src/ox_math/serv1.c,v 1.12 2000/12/03 15:19:23 ohara Exp $ */ |
/* $OpenXM: OpenXM/src/ox_math/serv1.c,v 1.20 2003/01/13 12:04:53 ohara Exp $ */ |
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/* |
/* |
Copyright (C) Katsuyoshi OHARA, 2000. |
Copyright (C) Katsuyoshi OHARA, 2000. |
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#include <ox_toolkit.h> |
#include <ox_toolkit.h> |
#include "sm.h" |
#include "sm.h" |
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static int send_ox_sync_ball(); |
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extern OXFILE *stack_oxfp; |
extern OXFILE *stack_oxfp; |
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static int flag_sigusr1 = 0; |
static int exchange_ox_sync_ball(OXFILE *oxfp) |
static int flag_sigusr2 = 0; |
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/* if in_critical equals to 1 then we do not permit an interrupt. */ |
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static int in_critical = 0; |
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static int set_critical() |
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{ |
{ |
in_critical = 1; |
int tag; |
} |
send_ox_tag(oxfp, OX_SYNC_BALL); |
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while((tag = receive_ox_tag(oxfp)) != OX_SYNC_BALL) { |
static int unset_critical() |
if (tag == OX_DATA) { |
{ |
receive_cmo(oxfp); |
in_critical = 0; |
}else if (tag == OX_COMMAND) { |
} |
receive_int32(oxfp); |
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static int critical_p() { |
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return in_critical; |
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} |
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static int already_send_ox_sync_ball = 0; |
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/* SM_control_reset_connection */ |
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static int handler_reset1() |
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{ |
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fprintf(stderr, "signal received.\n"); |
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signal(SIGUSR1, handler_reset1); |
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if (!flag_sigusr1) { |
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flag_sigusr1 = 1; |
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if(critical_p()) { |
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send_ox_sync_ball(); |
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already_send_ox_sync_ball = 1; |
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} |
} |
} |
} |
} |
} |
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static int handler_kill() |
int shutdown() |
{ |
{ |
oxf_close(stack_oxfp); |
oxf_close(stack_oxfp); |
exit(1); |
ml_exit(); |
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exit(0); |
} |
} |
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static int send_ox_sync_ball() |
/* (Heisei)15/02/01 */ |
{ |
#define VERSION 0x15020100 |
fprintf(stderr, "sending a sync_ball.\n"); |
#define ID_STRING "2003/02/01" |
send_ox_tag(stack_oxfp, OX_SYNC_BALL); |
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} |
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static int exchange_ox_syncball() |
int main() |
{ |
{ |
int tag; |
OXFILE* sv; |
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while((tag = receive_ox_tag(stack_oxfp)) != OX_SYNC_BALL) { |
ox_stderr_init(stderr); |
/* skipping a message. */ |
ml_init(); |
if (tag == OX_DATA) { |
mathcap_init(VERSION, ID_STRING, "ox_math", NULL, NULL); |
receive_cmo(stack_oxfp); |
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}else { |
sv = oxf_open(3); |
receive_int32(stack_oxfp); |
oxf_determine_byteorder_server(sv); |
} |
sm(sv); |
} |
shutdown(); |
fprintf(stderr, "received a sync_ball.\n"); |
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} |
} |
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/* a part of stack machine. */ |
/* a part of stack machine. */ |
Line 101 int sm_receive_ox() |
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Line 74 int sm_receive_ox() |
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break; |
break; |
case OX_COMMAND: |
case OX_COMMAND: |
code = receive_sm_command(stack_oxfp); |
code = receive_sm_command(stack_oxfp); |
set_critical(); |
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sm_run(code); |
sm_run(code); |
unset_critical(); |
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break; |
break; |
default: |
default: |
fprintf(stderr, "illeagal message? ox_tag = (%d)\n", tag); |
ox_printf("illeagal OX message(%d)\n", tag); |
return 0; |
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break; |
break; |
} |
} |
return 1; |
return 1; |
} |
} |
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int shutdown() |
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{ |
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oxf_close(stack_oxfp); |
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ml_exit(); |
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exit(0); |
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} |
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#define VERSION 0x11121400 |
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#define ID_STRING "2000/11/29" |
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int oxf_error(OXFILE *oxfp) |
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{ |
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int e = oxfp->error; |
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if (e != 0) { |
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oxfp->error = 0; |
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} |
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return e; |
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} |
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int main() |
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{ |
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OXFILE* sv; |
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ml_init(); |
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mathcap_init(VERSION, ID_STRING, "ox_math", NULL, NULL); |
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signal(SIGUSR1, handler_reset1); |
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signal(SIGKILL, handler_kill); |
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sv = oxf_open(3); |
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oxf_determine_byteorder_server(sv); |
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sm(sv); |
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shutdown(); |
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} |
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int sm(OXFILE *oxfp) |
int sm(OXFILE *oxfp) |
{ |
{ |
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int i=0; |
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fd_set fdmask; |
stack_oxfp = oxfp; |
stack_oxfp = oxfp; |
stack_extend(); |
stack_extend(); |
while(sm_receive_ox()) { |
sm_siginit(); |
if(flag_sigusr1) { |
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if (!already_send_ox_sync_ball) { |
FD_ZERO(&fdmask); |
send_ox_sync_ball(); |
FD_SET(oxf_fileno(oxfp), &fdmask); |
already_send_ox_sync_ball = 1; |
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} |
while(1) { |
exchange_ox_syncball(); |
ox_printf("phase%d: select\n",i); |
flag_sigusr1 = 0; |
if (select(5, &fdmask, NULL, NULL, NULL) > 0) { |
already_send_ox_sync_ball = 0; |
sm_sigmask(); |
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ox_printf("phase%d: receiving\n",i); |
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sm_receive_ox(); |
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sm_sigunmask(); /* unmasked. */ |
} |
} |
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ox_printf("phase%d: clearing(%d)\n",i,sm_state_interrupting()); |
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if (sm_state_interrupting()) { |
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exchange_ox_sync_ball(stack_oxfp); |
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sm_state_clear_interrupting(); |
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} |
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i++; |
} |
} |
fprintf(stderr, "SM: socket(%d) is closed.\n", stack_oxfp->fd); |
ox_printf("ox_math::socket(%d) is closed.\n", stack_oxfp->fd); |
} |
} |