File: [local] / OpenXM_contrib2 / asir2000 / io / tcpf.c (download)
Revision 1.56, Wed Aug 18 01:10:59 2004 UTC (20 years, 1 month ago) by noro
Branch: MAIN
CVS Tags: R_1_3_1-2, RELEASE_1_2_3_12, RELEASE_1_2_3, KNOPPIX_2006, DEB_REL_1_2_3-9 Changes since 1.55: +40 -1
lines
Corrected the behavior of diff() and ediff().
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/*
* Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
* All rights reserved.
*
* FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
* non-exclusive and royalty-free license to use, copy, modify and
* redistribute, solely for non-commercial and non-profit purposes, the
* computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
* conditions of this Agreement. For the avoidance of doubt, you acquire
* only a limited right to use the SOFTWARE hereunder, and FLL or any
* third party developer retains all rights, including but not limited to
* copyrights, in and to the SOFTWARE.
*
* (1) FLL does not grant you a license in any way for commercial
* purposes. You may use the SOFTWARE only for non-commercial and
* non-profit purposes only, such as academic, research and internal
* business use.
* (2) The SOFTWARE is protected by the Copyright Law of Japan and
* international copyright treaties. If you make copies of the SOFTWARE,
* with or without modification, as permitted hereunder, you shall affix
* to all such copies of the SOFTWARE the above copyright notice.
* (3) An explicit reference to this SOFTWARE and its copyright owner
* shall be made on your publication or presentation in any form of the
* results obtained by use of the SOFTWARE.
* (4) In the event that you modify the SOFTWARE, you shall notify FLL by
* e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
* for such modification or the source code of the modified part of the
* SOFTWARE.
*
* THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
* MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
* EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
* RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
* MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
* UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
* OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
* DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
* ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
* FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
* DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
* SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
* OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
* $OpenXM: OpenXM_contrib2/asir2000/io/tcpf.c,v 1.56 2004/08/18 01:10:59 noro Exp $
*/
#include "ca.h"
#include "parse.h"
#include "com.h"
#include <signal.h>
#include <string.h>
#if !defined(VISUAL)
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#endif
#include "ox.h"
#if defined(VISUAL)
#include <stdlib.h>
#include <winsock2.h>
#include <process.h>
#endif
#define OX_XTERM "ox_xterm"
#if !defined(_PA_RISC1_1)
#define RSH "rsh"
#else
#define RSH "remsh"
#endif
static struct m_c {
int m,c,af_unix;
} *m_c_tab;
static int m_c_i,m_c_s;
int I_am_server;
extern int little_endian;
#if defined(MPI)
extern int mpi_nprocs;
#define valid_mctab_index(ind)\
if((ind)<0||(ind)>=mpi_nprocs){error("invalid server id");}
#define check_valid_mctab_index(ind)\
if((ind)<0||(ind)>=mpi_nprocs){(ind)=-1;}
#else
#define valid_mctab_index(ind)\
if((ind)<I_am_server||(ind)>=m_c_i||\
((m_c_tab[ind].m<0)&&(m_c_tab[ind].c<0))){error("invalid server id");}
#define check_valid_mctab_index(ind)\
if((ind)<I_am_server||(ind)>=m_c_i||\
((m_c_tab[ind].m<0)&&(m_c_tab[ind].c<0))){(ind)=-1;}
#endif
struct IOFP iofp_102[MAXIOFP];
int nserver_102;
int myrank_102;
int register_102(int s,int rank, int is_master);
int register_server();
int get_mcindex(int);
void Pox_send_raw_cmo(), Pox_recv_raw_cmo();
void Pox_launch(),Pox_launch_nox();
void Pox_launch_generic();
void Pox_shutdown();
void Pox_rpc(),Pox_cmo_rpc(),Pox_reset(),Pox_intr(),Pox_sync(),Pox_select();
void Pox_push_local(),Pox_push_cmo(),Pox_push_vl(),Pox_push_cmd();
void Pox_pop_local(),Pox_pop_cmo();
void Pox_pop0_local(),Pox_pop0_cmo();
void Pox_pop_string(),Pox_pop0_string();
void Pox_get(),Pox_pops();
void Pox_execute_function(),Pox_execute_string();
void Pox_setname(), Pox_evalname();
void Pox_flush();
void Pgenerate_port(),Ptry_bind_listen(),Ptry_connect(),Ptry_accept();
void Pregister_server();
void Pox_get_serverinfo();
void Pox_mpi_myid(), Pox_mpi_nprocs();
void Pnd_exec_f4_red();
void Pox_tcp_accept_102(),Pox_tcp_connect_102();
void Pox_send_102(),Pox_recv_102();
void Pox_set_rank_102();
void Pox_get_rank_102();
void Pox_reset_102();
void Pox_bcast_102();
void Pox_reduce_102();
void ox_launch_generic();
pointer bevalf();
struct ftab tcp_tab[] = {
{"ox_send_raw_cmo",Pox_send_raw_cmo,2},
{"ox_recv_raw_cmo",Pox_recv_raw_cmo,1},
{"ox_get_serverinfo",Pox_get_serverinfo,-1},
{"generate_port",Pgenerate_port,-1},
/* from master to client */
{"ox_set_rank_102",Pox_set_rank_102,3},
{"ox_tcp_accept_102",Pox_tcp_accept_102,3},
{"ox_tcp_connect_102",Pox_tcp_connect_102,4},
{"ox_reset_102",Pox_reset_102,1},
{"ox_get_rank_102",Pox_get_rank_102,0},
{"ox_send_102",Pox_send_102,2},
{"ox_recv_102",Pox_recv_102,1},
{"ox_bcast_102",Pox_bcast_102,-2},
{"ox_reduce_102",Pox_reduce_102,-3},
{"try_bind_listen",Ptry_bind_listen,1},
{"try_connect",Ptry_connect,2},
{"try_accept",Ptry_accept,2},
{"register_server",Pregister_server,4},
{"ox_flush",Pox_flush,1},
{"ox_launch",Pox_launch,-3},
{"ox_launch_nox",Pox_launch_nox,-3},
{"ox_launch_generic",Pox_launch_generic,7},
{"ox_shutdown",Pox_shutdown,1},
{"ox_rpc",Pox_rpc,-99999999},
{"ox_cmo_rpc",Pox_cmo_rpc,-99999999},
{"ox_sync",Pox_sync,1},
#if defined(MPI)
{"ox_mpi_myid",Pox_mpi_myid,0},
{"ox_mpi_nprocs",Pox_mpi_nprocs,0},
#endif
#if !defined(MPI)
{"ox_reset",Pox_reset,-2},
{"ox_intr",Pox_intr,1},
{"ox_select",Pox_select,-2},
#endif
{"ox_pop_string",Pox_pop_string,1},
{"ox_pop0_string",Pox_pop0_string,1},
{"ox_pop_local",Pox_pop_local,1},
{"ox_pop0_local",Pox_pop0_local,1},
{"ox_pop_cmo",Pox_pop_cmo,1},
{"ox_pop0_cmo",Pox_pop0_cmo,1},
{"ox_get",Pox_get,-1},
{"ox_pops",Pox_pops,-2},
{"ox_push_vl",Pox_push_vl,1},
{"ox_push_local",Pox_push_local,-99999999},
{"ox_push_cmo",Pox_push_cmo,-99999999},
{"ox_push_cmd",Pox_push_cmd,2},
{"ox_setname",Pox_setname,2},
{"ox_evalname",Pox_evalname,2},
{"ox_execute_string",Pox_execute_string,2},
{"ox_execute_function",Pox_execute_function,3},
{"nd_exec_f4_red",Pnd_exec_f4_red,0},
{0,0,0},
};
extern struct IOFP iofp[];
extern MATHCAP my_mathcap;
extern int ox_exchange_mathcap;
char *getenv();
void Pnd_exec_f4_red(Q *rp)
{
nd_exec_f4_red_dist();
*rp = 0;
}
#if defined(MPI)
extern int mpi_myid, mpi_nprocs;
void Pox_mpi_myid(Q *rp)
{
STOQ(mpi_myid,*rp);
}
void Pox_mpi_nprocs(Q *rp)
{
STOQ(mpi_nprocs,*rp);
}
#endif
void Pox_get_serverinfo(NODE arg,LIST *rp)
{
int i,c;
Q s_id;
NODE t,n0,n;
LIST list,l;
if ( !arg ) {
for ( i = I_am_server?1:0, n0 = 0; i < m_c_i; i++ )
if ( (m_c_tab[i].m>=0) || (m_c_tab[i].c>=0) ) {
c = m_c_tab[i].c;
ox_get_serverinfo(c,&list);
STOQ(i,s_id);
t = mknode(2,s_id,list);
MKLIST(l,t);
NEXTNODE(n0,n);
BDY(n) = (pointer)l;
}
if ( n0 )
NEXT(n) = 0;
MKLIST(*rp,n0);
} else {
i = QTOS((Q)ARG0(arg));
if ( i >= 0 && i < m_c_i && ((m_c_tab[i].m>=0) || (m_c_tab[i].c>=0)) )
ox_get_serverinfo(m_c_tab[i].c,rp);
else {
MKLIST(*rp,0);
}
}
}
/*
if noarg or arg[0]==0 then use IP socket and return a port number
else use UNIX socket and return a string which represents a path name
*/
void Pgenerate_port(NODE arg,Obj *rp)
{
char port_str[BUFSIZ];
int port;
char *s;
STRING str;
Q q;
if ( !arg || !ARG0(arg) ) {
generate_port(0,port_str);
port = atoi(port_str);
STOQ(port,q);
*rp = (Obj)q;
} else {
generate_port(1,port_str);
s = (char *)MALLOC(strlen((char *)port_str)+1);
strcpy(s,port_str);
MKSTR(str,s);
*rp = (Obj)str;
}
}
void Pox_reset_102(NODE arg,Q *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_cmd(s,SM_reset_102);
ox_flush_stream_force(s);
*rp = 0;
}
void Pox_get_rank_102(LIST *rp)
{
Q n,r;
NODE node;
STOQ(nserver_102,n);
STOQ(myrank_102,r);
node = mknode(2,n,r);
MKLIST(*rp,node);
}
void Pox_set_rank_102(NODE arg,Q *rp)
{
Q nserver,rank;
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
nserver = (Q)ARG1(arg);
rank = (Q)ARG2(arg);
ox_send_data(s,nserver);
ox_send_data(s,rank);
ox_send_cmd(s,SM_set_rank_102);
ox_flush_stream_force(s);
*rp = 0;
}
/* ox_tcp_accept_102(server,port,rank) */
void Pox_tcp_accept_102(NODE arg,Q *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_data(s,ARG1(arg));
ox_send_data(s,ARG2(arg));
ox_send_cmd(s,SM_tcp_accept_102);
ox_flush_stream_force(s);
*rp = 0;
}
/*
ox_tcp_connect_102(server,host,port,rank)
*/
void Pox_tcp_connect_102(NODE arg,Q *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_data(s,ARG1(arg));
ox_send_data(s,ARG2(arg));
ox_send_data(s,ARG3(arg));
ox_send_cmd(s,SM_tcp_connect_102);
ox_flush_stream_force(s);
*rp = 0;
}
/*
try_bind_listen(port)
*/
void Ptry_bind_listen(NODE arg,Q *rp)
{
char port_str[BUFSIZ];
int port,s,use_unix;
if ( IS_CYGWIN || !ARG0(arg) || NUM(ARG0(arg)) ) {
port = QTOS((Q)ARG0(arg));
sprintf(port_str,"%d",port);
use_unix = 0;
} else {
strcpy(port_str,BDY((STRING)ARG0(arg)));
use_unix = 1;
}
s = try_bind_listen(use_unix,port_str);
STOQ(s,*rp);
}
/*
try_connect(host,port)
*/
void Ptry_connect(NODE arg,Q *rp)
{
char port_str[BUFSIZ];
char *host;
int port,s,use_unix;
if ( IS_CYGWIN || !ARG1(arg) || NUM(ARG1(arg)) ) {
port = QTOS((Q)ARG1(arg));
sprintf(port_str,"%d",port);
use_unix = 0;
} else {
strcpy(port_str,BDY((STRING)ARG1(arg)));
use_unix = 1;
}
host = BDY((STRING)ARG0(arg));
s = try_connect(use_unix,host,port_str);
STOQ(s,*rp);
}
/*
try_accept(sock,port)
*/
void Ptry_accept(NODE arg,Q *rp)
{
int use_unix,s;
if ( IS_CYGWIN || !ARG1(arg) || NUM(ARG1(arg)) )
use_unix = 0;
else
use_unix = 1;
s = try_accept(use_unix,QTOS((Q)ARG0(arg)));
STOQ(s,*rp);
}
/*
register_server(cs,cport,ss,sport)
*/
void Pregister_server(NODE arg,Q *rp)
{
int cs,ss,cn,sn,ind,use_unix,id;
char cport_str[BUFSIZ],sport_str[BUFSIZ];
Obj obj;
MATHCAP server_mathcap;
cs = QTOS((Q)ARG0(arg));
ss = QTOS((Q)ARG2(arg));
if ( IS_CYGWIN || !ARG1(arg) || NUM(ARG1(arg)) ) {
sprintf(cport_str,"%d",QTOS((Q)ARG1(arg)));
use_unix = 0;
} else {
strcpy(cport_str,BDY((STRING)ARG1(arg)));
use_unix = 1;
}
if ( !ARG3(arg) || NUM(ARG3(arg)) ) {
if ( use_unix )
error("register_server : the protocol should conincide for two sockets");
sprintf(sport_str,"%d",QTOS((Q)ARG3(arg)));
} else {
if ( !use_unix )
error("register_server : the protocol should conincide for two sockets");
strcpy(sport_str,BDY((STRING)ARG3(arg)));
}
/* client mode */
cn = get_iofp(cs,cport_str,0);
sn = get_iofp(ss,sport_str,0);
/* get_iofp returns -1 if the laucher could not spawn the server */
if ( sn < 0 ) {
/* we should terminate the launcher */
ox_send_cmd(cn,SM_shutdown); ox_flush_stream_force(cn);
STOQ(-1,*rp);
return;
}
/* register server to the server list */
ind = register_server(use_unix,cn,sn);
if ( ox_exchange_mathcap ) {
/* request remote mathcap */
ox_send_cmd(sn,SM_mathcap);
ox_send_cmd(sn,SM_popCMO);
ox_flush_stream_force(sn);
ox_recv(sn,&id,&obj); server_mathcap = (MATHCAP)obj;
store_remote_mathcap(sn,server_mathcap);
/* send my mathcap */
create_my_mathcap("asir");
ox_send_data(sn,my_mathcap);
ox_send_cmd(sn,SM_setMathcap);
}
/* return the server id */
STOQ(ind,*rp);
}
#if !defined(VISUAL)
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <pwd.h>
static int find_executable(char *);
static int find_executable_main(char *);
static int find_executable(char *com)
{
char *c,*s;
int len;
char dir[BUFSIZ],path[BUFSIZ];
for ( s = (char *)getenv("PATH"); s; ) {
c = (char *)index(s,':');
if ( c ) {
len = c-s;
strncpy(dir,s,len); s = c+1; dir[len] = 0;
} else {
strcpy(dir,s); s = 0;
}
sprintf(path,"%s/%s",dir,com);
if ( find_executable_main(path) )
return 1;
}
return 0;
}
static int find_executable_main(char *file)
{
struct stat buf;
if ( stat(file,&buf) || (buf.st_mode & S_IFDIR) )
return 0;
if ( access(file,X_OK) )
return 0;
else
return 1;
}
#endif
/*
ox_launch_generic(host,launcher,server,use_unix,use_ssh,use_x,conn_to_serv)
Input
host: hostname on which servers run
launcher: path name of the launcher
server: path name of the server
use_unix: use UNIX domain socket if 1
use_ssh: use ssh if 1
use_x: use X11 facilities if 1
conn_to_serv: connect to server if 1
*/
void Pox_launch_generic(NODE arg,Q *rp)
{
int use_unix,use_ssh,use_x,conn_to_serv;
char *host,*launcher,*server;
Q ret;
host = (arg&&ARG0(arg))?BDY((STRING)ARG0(arg)):0;
launcher = BDY((STRING)ARG1(arg));
server = BDY((STRING)ARG2(arg));
use_unix = !IS_CYGWIN && ARG3(arg) ? 1 : 0;
use_ssh = ARG4(arg) ? 1 : 0;
use_x = ARG5(arg) ? 1 : 0;
conn_to_serv = QTOS((Q)ARG6(arg));
if ( !IS_CYGWIN && !host )
use_unix = 1;
ox_launch_generic(host,launcher,server,
use_unix,use_ssh,use_x,conn_to_serv,&ret);
*rp = ret;
}
#if 0
void ox_launcher_101_generic(char *host,char *launcher,
int use_unix,int use_ssh,int use_x,int conn_to_serv,Q *rp)
{
int cs,cn,ind,id;
char control_port_str[BUFSIZ];
Obj obj;
#if !defined(VISUAL)
if ( use_unix && !find_executable("xterm") ) use_x = 0;
#endif
control_port_str[0] = 0;
do {
generate_port(use_unix,control_port_str);
if ( conn_to_serv ) {
spawn_server_101(host,launcher,
use_unix,use_ssh,use_x,conn_to_serv,
control_port_str);
cs = try_connect(use_unix,host,control_port_str);
} else {
cs = try_bind_listen(use_unix,control_port_str);
if ( cs < 0 ) continue;
spawn_laucher_101(host,launcher,
use_unix,use_ssh,use_x,conn_to_serv,
control_port_str);
cs = try_accept(use_unix,cs);
}
} while ( cs < 0 );
/* client mode */
cn = get_iofp(cs,control_port_str,0);
/* register server to the server list */
ind = register_server_101(use_unix,cn);
STOQ(ind,*rp);
}
#endif
void ox_launch_generic(char *host,char *launcher,char *server,
int use_unix,int use_ssh,int use_x,int conn_to_serv,Q *rp)
{
int cs,ss,cn,sn,ind,id;
char control_port_str[BUFSIZ];
char server_port_str[BUFSIZ];
Obj obj;
MATHCAP server_mathcap;
#if !defined(VISUAL)
if ( use_unix && !find_executable("xterm") ) use_x = 0;
#endif
control_port_str[0] = 0;
server_port_str[0] = 0;
do {
generate_port(use_unix,control_port_str);
generate_port(use_unix,server_port_str);
if ( !conn_to_serv ) {
cs = try_bind_listen(use_unix,control_port_str);
if ( cs < 0 ) continue;
ss = try_bind_listen(use_unix,server_port_str);
if ( ss < 0 ) continue;
}
spawn_server(host,launcher,server,
use_unix,use_ssh,use_x,conn_to_serv,
control_port_str,server_port_str);
if ( conn_to_serv ) {
cs = try_connect(use_unix,host,control_port_str);
if ( cs < 0 ) continue;
ss = try_connect(use_unix,host,server_port_str);
if ( ss < 0 ) continue;
} else {
cs = try_accept(use_unix,cs);
if ( cs < 0 ) continue;
ss = try_accept(use_unix,ss);
if ( ss < 0 ) continue;
}
} while ( cs < 0 || ss < 0 );
/* client mode */
cn = get_iofp(cs,control_port_str,0);
sn = get_iofp(ss,server_port_str,0);
/* get_iofp returns -1 if the laucher could not spawn the server */
if ( sn < 0 ) {
/* we should terminate the launcher */
ox_send_cmd(cn,SM_shutdown); ox_flush_stream_force(cn);
STOQ(-1,*rp);
return;
}
/* register server to the server list */
ind = register_server(use_unix,cn,sn);
if ( ox_exchange_mathcap ) {
/* request remote mathcap */
ox_send_cmd(sn,SM_mathcap);
ox_send_cmd(sn,SM_popCMO);
ox_flush_stream_force(sn);
ox_recv(sn,&id,&obj); server_mathcap = (MATHCAP)obj;
store_remote_mathcap(sn,server_mathcap);
/* send my mathcap */
create_my_mathcap("asir");
ox_send_data(sn,my_mathcap);
ox_send_cmd(sn,SM_setMathcap);
}
/* return the server id */
STOQ(ind,*rp);
}
#if defined(__CYGWIN__)
static void bslash2slash(char *buf)
{
char *p;
for ( p = buf; *p; p++ )
if ( *p == '\\' )
*p = '/';
}
static int get_start_path(char *buf)
{
static char start_path[BUFSIZ];
static int start_initialized = 0;
char name[BUFSIZ];
if ( start_initialized ) {
strcpy(buf,start_path);
return 1;
}
/* Windows98 */
strcpy(buf,"c:\\windows\\command\\start.exe");
cygwin_conv_to_full_posix_path(buf,name);
if ( !access(name,X_OK) ) {
bslash2slash(buf);
strcpy(start_path,buf);
start_initialized = 1;
return 1;
}
/* Windows2000 */
strcpy(buf,"c:\\winnt\\system32\\start.exe");
cygwin_conv_to_full_posix_path(buf,name);
if ( !access(name,X_OK) ) {
bslash2slash(buf);
strcpy(start_path,buf);
start_initialized = 1;
return 1;
}
strcpy(buf,"c:\\winnt\\system32\\cmd.exe");
cygwin_conv_to_full_posix_path(buf,name);
if ( !access(name,X_OK) ) {
bslash2slash(buf);
sprintf(start_path,"%s /c start",buf);
strcpy(buf,start_path);
start_initialized = 1;
return 1;
}
strcpy(buf,"c:\\windows\\system32\\cmd.exe");
cygwin_conv_to_full_posix_path(buf,name);
if ( !access(name,X_OK) ) {
bslash2slash(buf);
sprintf(start_path,"%s /c start",buf);
strcpy(buf,start_path);
start_initialized = 1;
return 1;
}
return 0;
}
static void get_launcher_path(char *buf)
{
static char rootname[BUFSIZ];
static char launcher_path[BUFSIZ];
static int launcher_initialized = 0;
char name[BUFSIZ];
if ( launcher_initialized ) {
strcpy(buf,launcher_path);
return;
}
get_rootdir(rootname,sizeof(rootname));
sprintf(name,"%s/ox_launch.exe",rootname);
cygwin_conv_to_full_win32_path(name,launcher_path);
bslash2slash(launcher_path);
launcher_initialized = 1;
strcpy(buf,launcher_path);
}
#endif
void spawn_server(char *host,char *launcher,char *server,
int use_unix,int use_ssh,int use_x,int conn_to_serv,
char *control_port_str,char *server_port_str)
{
char localhost[BUFSIZ];
char *dname,*conn_str,*rsh,*dname0,*asirhost;
char AsirExe[BUFSIZ];
STRING rootdir;
char prog[BUFSIZ];
char *av[BUFSIZ];
#if !defined(VISUAL)
char cmd[BUFSIZ];
#endif
#if defined(__CYGWIN__)
char win_start[BUFSIZ],win_launcher[BUFSIZ];
#endif
void Pget_rootdir();
dname0 = (char *)getenv("DISPLAY");
if ( !dname0 )
dname0 = "0";
dname = use_x ? dname0 : 0;
conn_str = conn_to_serv ? "1" : "0";
rsh = getenv("ASIR_RSH");
if ( !rsh )
rsh = use_ssh ? "ssh" : RSH;
if ( !use_unix && strstr(rsh,"ssh") ) {
/*
* if "ssh" is used to invoke a remote server,
* we should not specify "-display".
*/
use_ssh = 1;
}
asirhost = (char *)getenv("ASIRHOSTNAME");
if ( asirhost )
strcpy(localhost,asirhost);
else
gethostname(localhost,BUFSIZ);
#if defined(VISUAL)
if ( !use_unix )
error("spawn_server : not implemented on Windows");
Pget_rootdir(&rootdir);
sprintf(AsirExe,"%s\\bin\\engine.exe",BDY(rootdir));
strcpy(prog,server);
server = strrchr(prog,'/')+1;
av[0] = "ox_launch";
av[1] = "127.0.0.1";
av[2] = conn_str;
av[3] = control_port_str;
av[4] = server_port_str;
av[5] = server;
av[6] = use_x ? "1" : "0";
av[7] = 0;
_spawnv(_P_NOWAIT,AsirExe,av);
// _spawnv(_P_NOWAIT,"d:\\home\\noro\\engine2000\\debug\\engine.exe",av);
// printf("ox_launch 127.0.0.1 %s %s %s %s 0\n",conn_str,control_port_str,server_port_str,server);
#else
if ( use_unix || !host ) {
#if defined(__CYGWIN__)
get_launcher_path(win_launcher);
if ( dname && strchr(dname,':') ) {
if ( !fork() ) {
setpgid(0,getpid());
execlp("xterm","xterm","-name",OX_XTERM,"-T","ox_launch:local","-display",dname,
"-geometry","60x10","-xrm","XTerm*locale:false","-e",launcher,use_unix?".":"127.1",conn_str,
control_port_str,server_port_str,server,dname,0);
}
} else if ( dname && get_start_path(win_start) ) {
sprintf(cmd,"%s %s %s %s %s %s %s 1",
win_start,win_launcher,use_unix?".":"127.1",conn_str,
control_port_str,server_port_str,server);
system(cmd);
} else {
if ( !fork() ) {
setpgid(0,getpid());
execlp(launcher,launcher,use_unix?".":"127.1",conn_str,
control_port_str,server_port_str,server,dname0,"-nolog",0);
}
}
#else
if ( !fork() ) {
setpgid(0,getpid());
if ( dname )
execlp("xterm","xterm","-name",OX_XTERM,"-T","ox_launch:local","-display",dname,
"-geometry","60x10","-xrm","XTerm*locale:false","-e",launcher,use_unix?".":"127.1",conn_str,
control_port_str,server_port_str,server,dname,0);
else
execlp(launcher,launcher,use_unix?".":"127.1",conn_str,
control_port_str,server_port_str,server,dname0,"-nolog",0);
}
#endif
} else if ( conn_to_serv == 2 ) {
/* special support for java */
if ( dname )
sprintf(cmd,
"%s -n %s \"(cd %s; xterm -name %s %s -geometry 60x10 -e java %s -host %s -control %s -data %s)>&/dev/null&\">/dev/null",
rsh,host,launcher,OX_XTERM,dname,server,localhost,control_port_str,server_port_str);
else
sprintf(cmd,
"%s -n %s \"(cd %s; java %s -host %s -control %s -data %s)>&/dev/null&\">/dev/null",
rsh,host,launcher,server,localhost,
control_port_str,server_port_str,server);
fprintf(stderr,"%s\n",cmd);
sleep(20);
/* system(cmd); */
} else {
if ( dname )
if ( use_ssh )
sprintf(cmd,
"%s -f -n %s \"xterm -name %s -title ox_launch:%s -geometry 60x10 -xrm 'XTerm*locale:false' -e %s %s %s %s %s %s %s >&/dev/null\">/dev/null",
rsh,host,OX_XTERM,host,launcher,localhost,conn_str,
control_port_str,server_port_str,server,"1");
else
sprintf(cmd,
"%s -n %s \"xterm -name %s -title ox_launch:%s -display %s -geometry 60x10 -xrm 'XTerm*locale:false' -e %s %s %s %s %s %s %s >&/dev/null&\">/dev/null",
rsh,host,OX_XTERM,host,dname,launcher,localhost,conn_str,
control_port_str,server_port_str,server,dname);
else
if ( use_ssh )
sprintf(cmd,
"%s -f -n %s \"%s %s %s %s %s %s %s %s>&/dev/null&\">/dev/null",
rsh,host,launcher,localhost,conn_str,
control_port_str,server_port_str,server,"1","-nolog");
else
sprintf(cmd,
"%s -n %s \"%s %s %s %s %s %s %s %s>&/dev/null&\">/dev/null",
rsh,host,launcher,localhost,conn_str,
control_port_str,server_port_str,server,dname0,"-nolog");
system(cmd);
}
#endif /* VISUAL */
}
void Pox_launch(NODE arg,Obj *rp)
{
ox_launch_main(1,arg,rp);
}
void Pox_launch_nox(NODE arg,Obj *rp)
{
ox_launch_main(0,arg,rp);
}
/*
ox_launch() : invoke local ox_asir
ox_launch(0,ox_xxx) : invoke local ox_xxx with asir_libdir/ox_launch
ox_launch(remote,lib,ox_xxx) : invoke remote ox_xxx with lib/ox_launch
*/
void ox_launch_main(int with_x,NODE arg,Obj *p)
{
char *str;
char *hostname,*servername;
char *control;
int use_unix;
Q ret;
extern char *asir_libdir;
if ( arg && ARG0(arg) && argc(arg) != 3 )
error("ox_launch : argument mismatch");
control = (char *)MALLOC(BUFSIZ);
if ( !arg || ( !ARG0(arg) && argc(arg) == 1 ) ) {
sprintf(control,"%s/ox_launch",asir_libdir);
use_unix = IS_CYGWIN ? 0 : 1;
servername = (char *)MALLOC(BUFSIZ);
sprintf(servername,"%s/ox_asir",asir_libdir);
} else if ( !ARG0(arg) && argc(arg) == 2 ) {
sprintf(control,"%s/ox_launch",asir_libdir);
use_unix = IS_CYGWIN ? 0 : 1;
str = BDY((STRING)ARG1(arg));
if ( str[0] == '/' )
servername = str;
else {
servername = (char *)MALLOC(BUFSIZ);
sprintf(servername,"%s/%s",asir_libdir,str);
}
} else {
sprintf(control,"%s/ox_launch",BDY((STRING)ARG1(arg)));
if ( !ARG0(arg) )
use_unix = IS_CYGWIN ? 0 : 1;
else
use_unix = 0;
str = BDY((STRING)ARG2(arg));
if ( str[0] == '/' )
servername = str;
else {
servername = (char *)MALLOC(BUFSIZ);
sprintf(servername,"%s/%s",BDY((STRING)ARG1(arg)),str);
}
}
if ( arg && ARG0(arg) )
hostname = BDY((STRING)ARG0(arg));
else
hostname = 0;
ox_launch_generic(hostname,control,servername,use_unix,0,with_x,0,&ret);
*p = (Obj)ret;
}
int register_server(int af_unix,int m,int c)
{
int s,i;
struct m_c *t;
#define INIT_TAB_SIZ 64
if ( c < 0 )
return -1;
if ( !m_c_tab ) {
s = INIT_TAB_SIZ*sizeof(struct m_c);
m_c_tab = (struct m_c *)MALLOC_ATOMIC(s);
for ( i = 0; i < INIT_TAB_SIZ; i++ ) {
m_c_tab[i].af_unix = 0;
m_c_tab[i].m = m_c_tab[i].c = -1;
}
m_c_s = INIT_TAB_SIZ;
}
#if !defined(MPI)
for ( i = 0; i < m_c_i; i++ )
if ( (m_c_tab[i].m<0) && (m_c_tab[i].c<0) )
break;
if ( i < m_c_i ) {
m_c_tab[i].m = m; m_c_tab[i].c = c;
m_c_tab[i].af_unix = af_unix;
return i;
}
#endif
if ( m_c_i == m_c_s ) {
s = (m_c_s+INIT_TAB_SIZ)*sizeof(struct m_c);
t = (struct m_c *)MALLOC_ATOMIC(s); bzero((void *)m_c_tab,s);
bcopy((void *)m_c_tab,(void *)t,m_c_s*sizeof(struct m_c));
for ( i = 0; i < INIT_TAB_SIZ; i++ ) {
m_c_tab[m_c_s+i].af_unix = 0;
m_c_tab[m_c_s+i].m = m_c_tab[m_c_s+i].c = -1;
}
m_c_s += INIT_TAB_SIZ; m_c_tab = t;
}
m_c_tab[m_c_i].m = m; m_c_tab[m_c_i].c = c;
m_c_tab[m_c_i].af_unix = af_unix;
return m_c_i++;
}
/* iofp index => m_c_tab index */
int get_mcindex(int i)
{
int j;
for ( j = 0; j < m_c_i; j++ )
if ( m_c_tab[j].c == i )
return j;
return -1;
}
/* arg = [ind0,ind1,...]; indk = index to m_c_tab */
void Pox_select(NODE arg,LIST *rp)
{
int fd,n,i,index,mcind;
fd_set r,w,e;
NODE list,t,t1;
Q q;
double max;
struct timeval interval;
struct timeval *tvp;
list = BDY((LIST)ARG0(arg)); arg = NEXT(arg);
if ( arg ) {
max = ToReal((Num)BDY(arg));
interval.tv_sec = (int)max;
interval.tv_usec = (int)((max-(int)max)*1000000);
tvp = &interval;
} else
tvp = 0;
FD_ZERO(&r); FD_ZERO(&w); FD_ZERO(&e);
for ( t = list; t; t = NEXT(t) ) {
index = QTOS((Q)BDY(t));
valid_mctab_index(index);
fd = get_fd(m_c_tab[index].c); FD_SET((unsigned int)fd,&r);
}
n = select(FD_SETSIZE,&r,&w,&e,tvp);
for ( i = 0, t = 0; n && i < FD_SETSIZE; i++ )
if ( FD_ISSET(i,&r) ) {
/* index : index to iofp array */
index = get_index(i);
/* mcind : index to m_c_tab array */
mcind = get_mcindex(index);
n--; STOQ(mcind,q); MKNODE(t1,q,t); t = t1;
}
MKLIST(*rp,t);
}
void Pox_flush(NODE arg,Q *rp)
{
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
ox_flush_stream_force(m_c_tab[index].c);
*rp = ONE;
}
void Pox_send_raw_cmo(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_write_cmo(s,(Obj)ARG1(arg));
/* flush always */
ox_flush_stream(s);
*rp = 0;
}
void Pox_recv_raw_cmo(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_read_cmo(s,rp);
}
void Pox_send_102(NODE arg,Obj *rp)
{
int rank = QTOS((Q)ARG0(arg));
ox_send_data_102(rank,(Obj)ARG1(arg));
*rp = 0;
}
void Pox_recv_102(NODE arg,Obj *rp)
{
int id;
int rank = QTOS((Q)ARG0(arg));
ox_recv_102(rank,&id,rp);
}
void Pox_bcast_102(NODE arg,Obj *rp)
{
int rank = QTOS((Q)ARG0(arg));
Obj data;
if ( argc(arg) > 1 )
asir_push_one((Obj)ARG1(arg));
ox_bcast_102(rank);
*rp = (Obj)asir_pop_one();
}
void Pox_reduce_102(NODE arg,Obj *rp)
{
int root = QTOS((Q)ARG0(arg));
STRING op;
char *opname;
void (*func)();
op = (STRING)ARG1(arg);
asir_assert(op,O_STR,"ox_reduce_102");
opname = BDY(op);
if ( !strcmp(opname,"+") )
func = arf_add;
else if ( !strcmp(opname,"*") )
func = arf_mul;
else {
error("ox_reduce_102 : operation not supported");
}
if ( argc(arg) > 2 )
asir_push_one((Obj)ARG2(arg));
ox_reduce_102(root,func);
*rp = (Obj)asir_pop_one();
}
void Pox_push_local(NODE arg,Obj *rp)
{
int s;
struct oLIST dummy;
VL vl;
int index;
if ( !arg )
error("ox_push_local : too few arguments.");
index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c; arg = NEXT(arg);
dummy.id = O_LIST; dummy.body = arg;
get_vars_recursive((Obj)&dummy,&vl);
ox_send_local_ring(s,vl);
for ( ; arg; arg = NEXT(arg) )
ox_send_local_data(s,BDY(arg));
*rp = 0;
}
void Pox_push_cmo(NODE arg,Obj *rp)
{
int s;
int index;
if ( !arg )
error("ox_push_cmo : too few arguments.");
index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c; arg = NEXT(arg);
for ( ; arg; arg = NEXT(arg) )
ox_send_data(s,BDY(arg));
*rp = 0;
}
void Pox_push_vl(NODE arg,Obj *rp)
{
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
ox_send_local_ring(m_c_tab[index].c,CO);
*rp = 0;
}
void Pox_pop_local(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_cmd(s,SM_popSerializedLocalObject);
ox_flush_stream_force(s);
ox_get_result(s,rp);
}
void Pox_pop_cmo(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_cmd(s,SM_popCMO);
ox_flush_stream_force(s);
ox_get_result(s,rp);
}
void Pox_pop0_local(NODE arg,Obj *rp)
{
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
ox_send_cmd(m_c_tab[index].c,SM_popSerializedLocalObject);
*rp = 0;
}
void Pox_pop0_cmo(NODE arg,Obj *rp)
{
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
ox_send_cmd(m_c_tab[index].c,SM_popCMO);
*rp = 0;
}
void Pox_pop0_string(NODE arg,STRING *rp)
{
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
ox_send_cmd(m_c_tab[index].c,SM_popString);
*rp = 0;
}
void Pox_pop_string(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_cmd(s,SM_popString);
ox_flush_stream_force(s);
ox_get_result(s,rp);
}
void Pox_get(NODE arg,Obj *rp)
{
int index;
int s;
if ( !arg ) {
/* client->server */
ox_get_result(0,rp);
} else {
/* server->client */
index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_flush_stream_force(s);
ox_get_result(s,rp);
}
}
void Pox_pops(NODE arg,Obj *rp)
{
int s;
USINT n;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
if ( NEXT(arg) )
MKUSINT(n,QTOS((Q)ARG1(arg)));
else
MKUSINT(n,1);
ox_send_data(s,n);
ox_send_cmd(s,SM_pops);
*rp = 0;
}
void Pox_execute_function(NODE arg,Obj *rp)
{
int s;
USINT ui;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
MKUSINT(ui,QTOS((Q)ARG2(arg)));
ox_send_data(s,ui);
ox_send_data(s,ARG1(arg));
ox_send_cmd(s,SM_executeFunction);
*rp = 0;
}
void Pox_setname(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_data(s,ARG1(arg));
ox_send_cmd(s,SM_setName);
*rp = 0;
}
void Pox_evalname(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_data(s,ARG1(arg));
ox_send_cmd(s,SM_evalName);
*rp = 0;
}
void Pox_execute_string(NODE arg,Obj *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
asir_assert(ARG1(arg),O_STR,"ox_execute_string");
valid_mctab_index(index);
s = m_c_tab[index].c;
ox_send_data(s,ARG1(arg));
ox_send_cmd(s,SM_executeStringByLocalParser);
*rp = 0;
}
/* arg=[sid,fname,arg0,arg1,...,arg{n-1}] */
void Pox_rpc(NODE arg,Obj *rp)
{
int s,i,n;
STRING f;
USINT ui;
pointer *w;
NODE t;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c; arg = NEXT(arg);
f = (STRING)BDY(arg); arg = NEXT(arg);
ox_send_local_ring(s,CO);
for ( n = 0, t = arg; t; t = NEXT(t), n++ );
w = (pointer *)ALLOCA(n*sizeof(pointer));
for ( i = 0, t = arg; i < n; t = NEXT(t), i++ )
w[i] = BDY(t);
for ( i = n-1; i >= 0; i-- )
ox_send_local_data(s,w[i]);
MKUSINT(ui,n);
ox_send_data(s,ui);
ox_send_data(s,f);
ox_send_cmd(s,SM_executeFunction);
*rp = 0;
}
void Pox_cmo_rpc(NODE arg,Obj *rp)
{
int s,i,n;
STRING f;
USINT ui;
NODE t;
pointer *w;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
s = m_c_tab[index].c; arg = NEXT(arg);
f = (STRING)BDY(arg); arg = NEXT(arg);
for ( n = 0, t = arg; t; t = NEXT(t), n++ );
w = (pointer *)ALLOCA(n*sizeof(pointer));
for ( i = 0, t = arg; i < n; t = NEXT(t), i++ )
w[i] = BDY(t);
for ( i = n-1; i >= 0; i-- )
ox_send_data(s,w[i]);
MKUSINT(ui,n);
ox_send_data(s,ui);
ox_send_data(s,f);
ox_send_cmd(s,SM_executeFunction);
*rp = 0;
}
void Pox_reset(NODE arg,Q *rp)
{
USINT t;
int id,c,m;
Obj obj;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
m = m_c_tab[index].m;
c = m_c_tab[index].c;
if ( m >= 0 ) {
if ( argc(arg) == 1 ) {
ox_send_cmd(m,SM_control_reset_connection);
ox_flush_stream_force(m);
ox_recv(m,&id,&obj); t = (USINT)obj;
}
*rp = ONE;
#if defined(VISUAL)
Sleep(100);
ox_send_cmd(c,SM_nop);
ox_flush_stream_force(c);
#endif
while ( 1 ) {
ox_recv(c,&id,&obj);
if ( id == OX_SYNC_BALL )
break;
}
ox_send_sync(c);
} else
*rp = 0;
}
void Pox_intr(NODE arg,Q *rp)
{
int m;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
m = m_c_tab[index].m;
if ( m >= 0 ) {
if ( argc(arg) == 1 ) {
ox_send_cmd(m,SM_control_intr);
ox_flush_stream_force(m);
}
*rp = ONE;
} else
*rp = 0;
}
void Pox_sync(NODE arg,Q *rp)
{
int c;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
c = m_c_tab[index].c;
ox_send_sync(c);
*rp = 0;
}
void Pox_shutdown(NODE arg,Q *rp)
{
int s;
int index = QTOS((Q)ARG0(arg));
#if !defined(VISUAL)
int status;
#endif
valid_mctab_index(index);
s = m_c_tab[index].m;
ox_send_cmd(s,SM_shutdown);
free_iofp(s);
s = m_c_tab[index].c;
free_iofp(s);
#if !defined(MPI) && !defined(VISUAL)
if ( m_c_tab[index].af_unix )
wait(&status);
#endif
m_c_tab[index].m = -1; m_c_tab[index].c = -1;
m_c_tab[index].af_unix = 0;
*rp = 0;
}
void Pox_push_cmd(NODE arg,Q *rp)
{
int ui;
int index = QTOS((Q)ARG0(arg));
valid_mctab_index(index);
ui = QTOS((Q)ARG1(arg));
ox_send_cmd(m_c_tab[index].c,ui);
*rp = 0;
}
void shutdown_all() {
int s;
int i,index;
#if !defined(VISUAL)
int status;
#endif
for ( i = I_am_server?1:0; i < m_c_i; i++ ) {
index = i;
check_valid_mctab_index(index);
if ( index < 0 )
continue;
s = m_c_tab[index].m;
ox_send_cmd(s,SM_shutdown);
#if defined(VISUAL)
Sleep(1000);
#endif
free_iofp(s);
s = m_c_tab[index].c;
free_iofp(s);
#if !defined(MPI) && !defined(VISUAL)
if ( m_c_tab[index].af_unix )
wait(&status);
#endif
m_c_tab[index].m = 0; m_c_tab[index].c = 0;
m_c_tab[index].af_unix = 0;
}
}
char *ox_get_servername(int);
int is_ox_plot(int index)
{
char *name;
check_valid_mctab_index(index);
if ( index < 0 )
return 0;
/* m : client, c : server ??? */
name = ox_get_servername(m_c_tab[index].c);
return strcmp(name,"ox_plot") ? 0 : 1;
}
int validate_ox_plot_stream(int index)
{
int i;
NODE arg;
STRING name;
Obj r;
if ( is_ox_plot(index) )
return index;
for ( i = 0; i < m_c_i; i++ )
if ( is_ox_plot(i) )
return i;
/* create an ox_plot server */
MKSTR(name,"ox_plot");
arg = mknode(2,0,name);
Pox_launch_nox(arg,&r);
i = QTOS((Q)r);
#if defined(VISUAL)
Sleep(100);
ox_send_cmd(m_c_tab[i].c,SM_nop);
ox_flush_stream_force(m_c_tab[i].c);
#endif
return i;
}
int get_ox_server_id(int index)
{
valid_mctab_index(index);
return m_c_tab[index].c;
}
int register_102(int s1,int rank,int is_master)
{
unsigned char c,rc;
if ( rank >= MAXIOFP ) return -1;
iofp_102[rank].s = s1;
#if defined(VISUAL)
iofp_102[rank].in = WSIO_open(s1,"r");
iofp_102[rank].out = WSIO_open(s1,"w");
#else
iofp_102[rank].in = fdopen(s1,"r");
iofp_102[rank].out = fdopen(s1,"w");
#if !defined(__CYGWIN__)
setbuffer(iofp_102[rank].in,iofp_102[rank].inbuf =
(char *)GC_malloc_atomic(LBUFSIZ),LBUFSIZ);
setbuffer(iofp_102[rank].out,iofp_102[rank].outbuf =
(char *)GC_malloc_atomic(LBUFSIZ),LBUFSIZ);
#endif
#endif
if ( little_endian )
c = 1;
else
c = 0xff;
if ( is_master ) {
/* server : write -> read */
write_char((FILE *)iofp_102[rank].out,&c);
ox_flush_stream_force_102(rank);
read_char((FILE *)iofp_102[rank].in,&rc);
} else {
/* client : read -> write */
read_char((FILE *)iofp_102[rank].in,&rc);
/* special care for a failure of spawing a server */
if ( rc !=0 && rc != 1 && rc != 0xff )
return -1;
write_char((FILE *)iofp_102[rank].out,&c);
ox_flush_stream_force_102(rank);
}
iofp_102[rank].conv = c == rc ? 0 : 1;
iofp_102[rank].socket = 0;
return 0;
}