1 /* Jim - A small embeddable Tcl interpreter
3 * Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
4 * Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
5 * Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
6 * Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
7 * Copyright 2008 Andrew Lunn <andrew@lunn.ch>
8 * Copyright 2008 Duane Ellis <openocd@duaneellis.com>
9 * Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above
18 * copyright notice, this list of conditions and the following
19 * disclaimer in the documentation and/or other materials
20 * provided with the distribution.
22 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
23 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
24 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
25 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 * The views and conclusions contained in the software and documentation
36 * are those of the authors and should not be interpreted as representing
37 * official policies, either expressed or implied, of the Jim Tcl Project.
40 #include "jimautoconf.h"
56 #if defined(HAVE_SYS_SOCKET_H) && defined(HAVE_SELECT) && defined(HAVE_NETINET_IN_H) && defined(HAVE_NETDB_H) && defined(HAVE_ARPA_INET_H)
57 #include <sys/socket.h>
58 #include <netinet/in.h>
59 #include <arpa/inet.h>
69 #include <openssl/ssl.h>
70 #include <openssl/err.h>
77 #include "jim-eventloop.h"
78 #include "jim-subcmd.h"
80 #define AIO_CMD_LEN 32 /* e.g. aio.handleXXXXXX */
81 #define AIO_BUF_LEN 256 /* Can keep this small and rely on stdio buffering */
90 #define AIO_KEEPOPEN 1
101 #define JimCheckStreamError(interp, af) af->fops->error(af)
103 #if !defined(JIM_ANSIC) && !defined(JIM_BOOTSTRAP)
106 struct sockaddr_in sin
;
108 struct sockaddr_in6 sin6
;
112 #ifndef HAVE_INET_NTOP
113 const char *inet_ntop(int af
, const void *src
, char *dst
, int size
)
118 snprintf(dst
, size
, "%s", inet_ntoa(((struct sockaddr_in
*)src
)->sin_addr
));
122 #endif /* JIM_BOOTSTRAP */
127 int (*writer
)(struct AioFile
*af
, const char *buf
, int len
);
128 int (*reader
)(struct AioFile
*af
, char *buf
, int len
);
129 const char *(*getline
)(struct AioFile
*af
, char *buf
, int len
);
130 int (*error
)(const struct AioFile
*af
);
131 const char *(*strerror
)(struct AioFile
*af
);
132 int (*verify
)(struct AioFile
*af
);
135 typedef struct AioFile
140 int openFlags
; /* AIO_KEEPOPEN? keep FILE* */
147 const JimAioFopsType
*fops
;
150 static int stdio_writer(struct AioFile
*af
, const char *buf
, int len
)
152 return fwrite(buf
, 1, len
, af
->fp
);
155 static int stdio_reader(struct AioFile
*af
, char *buf
, int len
)
157 return fread(buf
, 1, len
, af
->fp
);
160 static const char *stdio_getline(struct AioFile
*af
, char *buf
, int len
)
162 return fgets(buf
, len
, af
->fp
);
165 static int stdio_error(const AioFile
*af
)
167 if (!ferror(af
->fp
)) {
171 /* EAGAIN and similar are not error conditions. Just treat them like eof */
172 if (feof(af
->fp
) || errno
== EAGAIN
|| errno
== EINTR
) {
176 if (errno
== ECONNRESET
) {
181 if (errno
!= ECONNABORTED
) {
188 static const char *stdio_strerror(struct AioFile
*af
)
190 return strerror(errno
);
193 static const JimAioFopsType stdio_fops
= {
202 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
204 static SSL_CTX
*JimAioSslCtx(Jim_Interp
*interp
);
206 static int ssl_writer(struct AioFile
*af
, const char *buf
, int len
)
208 return SSL_write(af
->ssl
, buf
, len
);
211 static int ssl_reader(struct AioFile
*af
, char *buf
, int len
)
213 return SSL_read(af
->ssl
, buf
, len
);
216 static const char *ssl_getline(struct AioFile
*af
, char *buf
, int len
)
219 for (i
= 0; i
< len
+ 1; i
++) {
220 if (SSL_read(af
->ssl
, &buf
[i
], 1) != 1) {
226 if (buf
[i
] == '\n') {
234 static int ssl_error(const struct AioFile
*af
)
236 if (ERR_peek_error() == 0) {
243 static const char *ssl_strerror(struct AioFile
*af
)
245 int err
= ERR_get_error();
248 return ERR_error_string(err
, NULL
);
251 /* should not happen */
252 return "unknown SSL error";
255 static int ssl_verify(struct AioFile
*af
)
259 cert
= SSL_get_peer_certificate(af
->ssl
);
265 if (SSL_get_verify_result(af
->ssl
) == X509_V_OK
) {
272 static const JimAioFopsType ssl_fops
= {
280 #endif /* JIM_BOOTSTRAP */
282 static int JimAioSubCmdProc(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
);
283 static AioFile
*JimMakeChannel(Jim_Interp
*interp
, FILE *fh
, int fd
, Jim_Obj
*filename
,
284 const char *hdlfmt
, int family
, const char *mode
);
286 #if !defined(JIM_ANSIC) && !defined(JIM_BOOTSTRAP)
287 static int JimParseIPv6Address(Jim_Interp
*interp
, const char *hostport
, union sockaddr_any
*sa
, int *salen
)
291 * An IPv6 addr/port looks like:
294 * [fe80::223:6cff:fe95:bdc0%en1]:2000
298 * Note that the "any" address is ::, which is the same as when no address is specified.
306 stport
= strrchr(hostport
, ':');
308 /* No : so, the whole thing is the port */
311 sthost
= Jim_StrDup(hostport
);
317 if (*hostport
== '[') {
318 /* This is a numeric ipv6 address */
319 char *pt
= strchr(++hostport
, ']');
321 sthost
= Jim_StrDupLen(hostport
, pt
- hostport
);
326 sthost
= Jim_StrDupLen(hostport
, stport
- hostport
- 1);
329 memset(&req
, '\0', sizeof(req
));
330 req
.ai_family
= PF_INET6
;
332 if (getaddrinfo(sthost
, NULL
, &req
, &ai
)) {
333 Jim_SetResultFormatted(interp
, "Not a valid address: %s", hostport
);
337 memcpy(&sa
->sin
, ai
->ai_addr
, ai
->ai_addrlen
);
338 *salen
= ai
->ai_addrlen
;
340 sa
->sin
.sin_port
= htons(atoi(stport
));
348 Jim_SetResultString(interp
, "ipv6 not supported", -1);
353 static int JimParseIpAddress(Jim_Interp
*interp
, const char *hostport
, union sockaddr_any
*sa
, int *salen
)
355 /* An IPv4 addr/port looks like:
360 * If the address is missing, INADDR_ANY is used.
361 * If the port is missing, 0 is used (only useful for server sockets).
367 stport
= strrchr(hostport
, ':');
369 /* No : so, the whole thing is the port */
371 sthost
= Jim_StrDup("0.0.0.0");
374 sthost
= Jim_StrDupLen(hostport
, stport
- hostport
);
379 #ifdef HAVE_GETADDRINFO
382 memset(&req
, '\0', sizeof(req
));
383 req
.ai_family
= PF_INET
;
385 if (getaddrinfo(sthost
, NULL
, &req
, &ai
)) {
389 memcpy(&sa
->sin
, ai
->ai_addr
, ai
->ai_addrlen
);
390 *salen
= ai
->ai_addrlen
;
398 if ((he
= gethostbyname(sthost
)) != NULL
) {
399 if (he
->h_length
== sizeof(sa
->sin
.sin_addr
)) {
400 *salen
= sizeof(sa
->sin
);
401 sa
->sin
.sin_family
= he
->h_addrtype
;
402 memcpy(&sa
->sin
.sin_addr
, he
->h_addr
, he
->h_length
); /* set address */
408 sa
->sin
.sin_port
= htons(atoi(stport
));
413 Jim_SetResultFormatted(interp
, "Not a valid address: %s", hostport
);
420 static int JimParseDomainAddress(Jim_Interp
*interp
, const char *path
, struct sockaddr_un
*sa
)
422 sa
->sun_family
= PF_UNIX
;
423 snprintf(sa
->sun_path
, sizeof(sa
->sun_path
), "%s", path
);
430 * Format that address in 'sa' as a string and store in variable 'varObjPtr'
432 static int JimFormatIpAddress(Jim_Interp
*interp
, Jim_Obj
*varObjPtr
, const union sockaddr_any
*sa
)
434 /* INET6_ADDRSTRLEN is 46. Add some for [] and port */
438 if (sa
->sa
.sa_family
== PF_INET6
) {
440 /* Allow 9 for []:65535\0 */
441 inet_ntop(sa
->sa
.sa_family
, &sa
->sin6
.sin6_addr
, addrbuf
+ 1, sizeof(addrbuf
) - 9);
442 snprintf(addrbuf
+ strlen(addrbuf
), 8, "]:%d", ntohs(sa
->sin
.sin_port
));
446 if (sa
->sa
.sa_family
== PF_INET
) {
447 /* Allow 7 for :65535\0 */
448 inet_ntop(sa
->sa
.sa_family
, &sa
->sin
.sin_addr
, addrbuf
, sizeof(addrbuf
) - 7);
449 snprintf(addrbuf
+ strlen(addrbuf
), 7, ":%d", ntohs(sa
->sin
.sin_port
));
452 /* recvfrom still works on unix domain sockets, etc */
456 return Jim_SetVariable(interp
, varObjPtr
, Jim_NewStringObj(interp
, addrbuf
, -1));
459 #endif /* JIM_BOOTSTRAP */
461 static const char *JimAioErrorString(AioFile
*af
)
464 return af
->fops
->strerror(af
);
466 return strerror(errno
);
469 static void JimAioSetError(Jim_Interp
*interp
, Jim_Obj
*name
)
471 AioFile
*af
= Jim_CmdPrivData(interp
);
474 Jim_SetResultFormatted(interp
, "%#s: %s", name
, JimAioErrorString(af
));
477 Jim_SetResultString(interp
, JimAioErrorString(af
), -1);
481 static void JimAioDelProc(Jim_Interp
*interp
, void *privData
)
483 AioFile
*af
= privData
;
487 Jim_DecrRefCount(interp
, af
->filename
);
489 #ifdef jim_ext_eventloop
490 /* remove all existing EventHandlers */
491 Jim_DeleteFileHandler(interp
, af
->fd
, JIM_EVENT_READABLE
| JIM_EVENT_WRITABLE
| JIM_EVENT_EXCEPTION
);
495 if (af
->ssl
!= NULL
) {
499 if (!(af
->openFlags
& AIO_KEEPOPEN
)) {
506 static int aio_cmd_read(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
508 AioFile
*af
= Jim_CmdPrivData(interp
);
509 char buf
[AIO_BUF_LEN
];
512 jim_wide neededLen
= -1; /* -1 is "read as much as possible" */
514 if (argc
&& Jim_CompareStringImmediate(interp
, argv
[0], "-nonewline")) {
520 if (Jim_GetWide(interp
, argv
[0], &neededLen
) != JIM_OK
)
523 Jim_SetResultString(interp
, "invalid parameter: negative len", -1);
530 objPtr
= Jim_NewStringObj(interp
, NULL
, 0);
531 while (neededLen
!= 0) {
535 if (neededLen
== -1) {
536 readlen
= AIO_BUF_LEN
;
539 readlen
= (neededLen
> AIO_BUF_LEN
? AIO_BUF_LEN
: neededLen
);
541 retval
= af
->fops
->reader(af
, buf
, readlen
);
543 Jim_AppendString(interp
, objPtr
, buf
, retval
);
544 if (neededLen
!= -1) {
548 if (retval
!= readlen
)
551 /* Check for error conditions */
552 if (JimCheckStreamError(interp
, af
)) {
553 Jim_FreeNewObj(interp
, objPtr
);
558 const char *s
= Jim_GetString(objPtr
, &len
);
560 if (len
> 0 && s
[len
- 1] == '\n') {
562 objPtr
->bytes
[objPtr
->length
] = '\0';
565 Jim_SetResult(interp
, objPtr
);
569 AioFile
*Jim_AioFile(Jim_Interp
*interp
, Jim_Obj
*command
)
571 Jim_Cmd
*cmdPtr
= Jim_GetCommand(interp
, command
, JIM_ERRMSG
);
573 /* XXX: There ought to be a supported API for this */
574 if (cmdPtr
&& !cmdPtr
->isproc
&& cmdPtr
->u
.native
.cmdProc
== JimAioSubCmdProc
) {
575 return (AioFile
*) cmdPtr
->u
.native
.privData
;
577 Jim_SetResultFormatted(interp
, "Not a filehandle: \"%#s\"", command
);
581 FILE *Jim_AioFilehandle(Jim_Interp
*interp
, Jim_Obj
*command
)
585 af
= Jim_AioFile(interp
, command
);
593 static int aio_cmd_copy(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
595 AioFile
*af
= Jim_CmdPrivData(interp
);
597 jim_wide maxlen
= JIM_WIDE_MAX
;
598 AioFile
*outf
= Jim_AioFile(interp
, argv
[0]);
605 if (Jim_GetWide(interp
, argv
[1], &maxlen
) != JIM_OK
) {
610 while (count
< maxlen
) {
613 if (af
->fops
->reader(af
, &ch
, 1) != 1) {
616 if (outf
->fops
->writer(outf
, &ch
, 1) != 1) {
622 if (JimCheckStreamError(interp
, af
) || JimCheckStreamError(interp
, outf
)) {
626 Jim_SetResultInt(interp
, count
);
631 static int aio_cmd_gets(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
633 AioFile
*af
= Jim_CmdPrivData(interp
);
634 char buf
[AIO_BUF_LEN
];
640 objPtr
= Jim_NewStringObj(interp
, NULL
, 0);
642 buf
[AIO_BUF_LEN
- 1] = '_';
644 if (af
->fops
->getline(af
, buf
, AIO_BUF_LEN
) == NULL
)
647 if (buf
[AIO_BUF_LEN
- 1] == '\0' && buf
[AIO_BUF_LEN
- 2] != '\n') {
648 Jim_AppendString(interp
, objPtr
, buf
, AIO_BUF_LEN
- 1);
653 if (len
&& (buf
[len
- 1] == '\n')) {
658 Jim_AppendString(interp
, objPtr
, buf
, len
);
663 if (JimCheckStreamError(interp
, af
)) {
665 Jim_FreeNewObj(interp
, objPtr
);
670 if (Jim_SetVariable(interp
, argv
[0], objPtr
) != JIM_OK
) {
671 Jim_FreeNewObj(interp
, objPtr
);
675 len
= Jim_Length(objPtr
);
677 if (len
== 0 && feof(af
->fp
)) {
678 /* On EOF returns -1 if varName was specified */
681 Jim_SetResultInt(interp
, len
);
684 Jim_SetResult(interp
, objPtr
);
689 static int aio_cmd_puts(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
691 AioFile
*af
= Jim_CmdPrivData(interp
);
697 if (!Jim_CompareStringImmediate(interp
, argv
[0], "-nonewline")) {
706 wdata
= Jim_GetString(strObj
, &wlen
);
707 if (af
->fops
->writer(af
, wdata
, wlen
) == wlen
) {
708 if (argc
== 2 || af
->fops
->writer(af
, "\n", 1) == 1) {
712 JimAioSetError(interp
, af
->filename
);
716 static int aio_cmd_isatty(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
719 AioFile
*af
= Jim_CmdPrivData(interp
);
720 Jim_SetResultInt(interp
, isatty(fileno(af
->fp
)));
722 Jim_SetResultInt(interp
, 0);
728 #if !defined(JIM_ANSIC) && !defined(JIM_BOOTSTRAP)
729 static int aio_cmd_recvfrom(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
731 AioFile
*af
= Jim_CmdPrivData(interp
);
733 union sockaddr_any sa
;
735 socklen_t salen
= sizeof(sa
);
738 if (Jim_GetLong(interp
, argv
[0], &len
) != JIM_OK
) {
742 buf
= Jim_Alloc(len
+ 1);
744 rlen
= recvfrom(fileno(af
->fp
), buf
, len
, 0, &sa
.sa
, &salen
);
747 JimAioSetError(interp
, NULL
);
751 Jim_SetResult(interp
, Jim_NewStringObjNoAlloc(interp
, buf
, rlen
));
754 return JimFormatIpAddress(interp
, argv
[1], &sa
);
761 static int aio_cmd_sendto(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
763 AioFile
*af
= Jim_CmdPrivData(interp
);
767 union sockaddr_any sa
;
768 const char *addr
= Jim_String(argv
[1]);
771 if (IPV6
&& af
->addr_family
== PF_INET6
) {
772 if (JimParseIPv6Address(interp
, addr
, &sa
, &salen
) != JIM_OK
) {
776 else if (JimParseIpAddress(interp
, addr
, &sa
, &salen
) != JIM_OK
) {
779 wdata
= Jim_GetString(argv
[0], &wlen
);
781 /* Note that we don't validate the socket type. Rely on sendto() failing if appropriate */
782 len
= sendto(fileno(af
->fp
), wdata
, wlen
, 0, &sa
.sa
, salen
);
784 JimAioSetError(interp
, NULL
);
787 Jim_SetResultInt(interp
, len
);
791 static int aio_cmd_accept(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
793 AioFile
*af
= Jim_CmdPrivData(interp
);
795 union sockaddr_any sa
;
796 socklen_t addrlen
= sizeof(sa
);
798 sock
= accept(af
->fd
, &sa
.sa
, &addrlen
);
800 JimAioSetError(interp
, NULL
);
805 if (JimFormatIpAddress(interp
, argv
[0], &sa
) != JIM_OK
) {
810 /* Create the file command */
811 return JimMakeChannel(interp
, NULL
, sock
, Jim_NewStringObj(interp
, "accept", -1),
812 "aio.sockstream%ld", af
->addr_family
, "r+") ? JIM_OK
: JIM_ERR
;
815 static int aio_cmd_listen(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
817 AioFile
*af
= Jim_CmdPrivData(interp
);
820 if (Jim_GetLong(interp
, argv
[0], &backlog
) != JIM_OK
) {
824 if (listen(af
->fd
, backlog
)) {
825 JimAioSetError(interp
, NULL
);
831 #endif /* JIM_BOOTSTRAP */
833 static int aio_cmd_flush(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
835 AioFile
*af
= Jim_CmdPrivData(interp
);
837 if (fflush(af
->fp
) == EOF
) {
838 JimAioSetError(interp
, af
->filename
);
844 static int aio_cmd_eof(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
846 AioFile
*af
= Jim_CmdPrivData(interp
);
848 Jim_SetResultInt(interp
, feof(af
->fp
));
852 static int aio_cmd_close(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
855 #if !defined(JIM_ANSIC) && defined(HAVE_SHUTDOWN)
856 static const char * const options
[] = { "r", "w", NULL
};
857 enum { OPT_R
, OPT_W
, };
859 AioFile
*af
= Jim_CmdPrivData(interp
);
861 if (Jim_GetEnum(interp
, argv
[2], options
, &option
, NULL
, JIM_ERRMSG
) != JIM_OK
) {
864 if (shutdown(af
->fd
, option
== OPT_R
? SHUT_RD
: SHUT_WR
) == 0) {
867 JimAioSetError(interp
, NULL
);
869 Jim_SetResultString(interp
, "async close not supported", -1);
874 return Jim_DeleteCommand(interp
, Jim_String(argv
[0]));
877 static int aio_cmd_seek(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
879 AioFile
*af
= Jim_CmdPrivData(interp
);
884 if (Jim_CompareStringImmediate(interp
, argv
[1], "start"))
886 else if (Jim_CompareStringImmediate(interp
, argv
[1], "current"))
888 else if (Jim_CompareStringImmediate(interp
, argv
[1], "end"))
894 if (Jim_GetWide(interp
, argv
[0], &offset
) != JIM_OK
) {
897 if (fseeko(af
->fp
, offset
, orig
) == -1) {
898 JimAioSetError(interp
, af
->filename
);
904 static int aio_cmd_tell(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
906 AioFile
*af
= Jim_CmdPrivData(interp
);
908 Jim_SetResultInt(interp
, ftello(af
->fp
));
912 static int aio_cmd_filename(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
914 AioFile
*af
= Jim_CmdPrivData(interp
);
916 Jim_SetResult(interp
, af
->filename
);
921 static int aio_cmd_ndelay(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
923 AioFile
*af
= Jim_CmdPrivData(interp
);
925 int fmode
= fcntl(af
->fd
, F_GETFL
);
930 if (Jim_GetLong(interp
, argv
[0], &nb
) != JIM_OK
) {
939 (void)fcntl(af
->fd
, F_SETFL
, fmode
);
941 Jim_SetResultInt(interp
, (fmode
& O_NONBLOCK
) ? 1 : 0);
947 static int aio_cmd_sync(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
949 AioFile
*af
= Jim_CmdPrivData(interp
);
957 static int aio_cmd_buffering(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
959 AioFile
*af
= Jim_CmdPrivData(interp
);
961 static const char * const options
[] = {
975 if (Jim_GetEnum(interp
, argv
[0], options
, &option
, NULL
, JIM_ERRMSG
) != JIM_OK
) {
980 setvbuf(af
->fp
, NULL
, _IONBF
, 0);
983 setvbuf(af
->fp
, NULL
, _IOLBF
, BUFSIZ
);
986 setvbuf(af
->fp
, NULL
, _IOFBF
, BUFSIZ
);
992 #ifdef jim_ext_eventloop
993 static void JimAioFileEventFinalizer(Jim_Interp
*interp
, void *clientData
)
995 Jim_Obj
**objPtrPtr
= clientData
;
997 Jim_DecrRefCount(interp
, *objPtrPtr
);
1001 static int JimAioFileEventHandler(Jim_Interp
*interp
, void *clientData
, int mask
)
1003 Jim_Obj
**objPtrPtr
= clientData
;
1005 return Jim_EvalObjBackground(interp
, *objPtrPtr
);
1008 static int aio_eventinfo(Jim_Interp
*interp
, AioFile
* af
, unsigned mask
, Jim_Obj
**scriptHandlerObj
,
1009 int argc
, Jim_Obj
* const *argv
)
1012 /* Return current script */
1013 if (*scriptHandlerObj
) {
1014 Jim_SetResult(interp
, *scriptHandlerObj
);
1019 if (*scriptHandlerObj
) {
1020 /* Delete old handler */
1021 Jim_DeleteFileHandler(interp
, af
->fd
, mask
);
1024 /* Now possibly add the new script(s) */
1025 if (Jim_Length(argv
[0]) == 0) {
1026 /* Empty script, so done */
1030 /* A new script to add */
1031 Jim_IncrRefCount(argv
[0]);
1032 *scriptHandlerObj
= argv
[0];
1034 Jim_CreateFileHandler(interp
, af
->fd
, mask
,
1035 JimAioFileEventHandler
, scriptHandlerObj
, JimAioFileEventFinalizer
);
1040 static int aio_cmd_readable(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1042 AioFile
*af
= Jim_CmdPrivData(interp
);
1044 return aio_eventinfo(interp
, af
, JIM_EVENT_READABLE
, &af
->rEvent
, argc
, argv
);
1047 static int aio_cmd_writable(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1049 AioFile
*af
= Jim_CmdPrivData(interp
);
1051 return aio_eventinfo(interp
, af
, JIM_EVENT_WRITABLE
, &af
->wEvent
, argc
, argv
);
1054 static int aio_cmd_onexception(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1056 AioFile
*af
= Jim_CmdPrivData(interp
);
1058 return aio_eventinfo(interp
, af
, JIM_EVENT_EXCEPTION
, &af
->eEvent
, argc
, argv
);
1062 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
1063 static int aio_cmd_ssl(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1065 AioFile
*af
= Jim_CmdPrivData(interp
);
1071 if (!Jim_CompareStringImmediate(interp
, argv
[2], "-server")) {
1076 else if (argc
!= 2) {
1077 Jim_WrongNumArgs(interp
, 2, argv
, "?-server cert priv?");
1081 fd
= fileno(af
->fp
);
1082 #if defined(HAVE_DUP)
1088 ssl_ctx
= JimAioSslCtx(interp
);
1089 if (ssl_ctx
== NULL
) {
1093 ssl
= SSL_new(ssl_ctx
);
1095 #if defined(HAVE_DUP)
1098 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
1102 SSL_set_cipher_list(ssl
, "ALL");
1104 if (SSL_set_fd(ssl
, fileno(af
->fp
)) == 0) {
1109 if (SSL_use_certificate_file(ssl
, Jim_String(argv
[3]), SSL_FILETYPE_PEM
) != 1) {
1113 if (SSL_use_PrivateKey_file(ssl
, Jim_String(argv
[4]), SSL_FILETYPE_PEM
) != 1) {
1117 if (SSL_accept(ssl
) != 1) {
1122 if (SSL_connect(ssl
) != 1) {
1127 af
= JimMakeChannel(interp
, NULL
, fd
, NULL
, "aio.sslstream%ld", af
->addr_family
, "r+");
1133 af
->fops
= &ssl_fops
;
1138 #if defined(HAVE_DUP)
1142 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
1146 static int aio_cmd_verify(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1148 AioFile
*af
= Jim_CmdPrivData(interp
);
1151 if (!af
->fops
->verify
) {
1155 ret
= af
->fops
->verify(af
);
1156 if (ret
!= JIM_OK
) {
1157 if (JimCheckStreamError(interp
, af
)) {
1158 JimAioSetError(interp
, af
->filename
);
1160 Jim_SetResultString(interp
, "failed to verify the connection authenticity", -1);
1165 #endif /* JIM_BOOTSTRAP */
1167 #if defined(HAVE_STRUCT_FLOCK) && !defined(JIM_BOOTSTRAP)
1168 static int aio_cmd_lock(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1170 AioFile
*af
= Jim_CmdPrivData(interp
);
1175 fl
.l_type
= F_WRLCK
;
1176 fl
.l_whence
= SEEK_SET
;
1178 switch (fcntl(af
->fd
, F_SETLK
, &fl
))
1181 Jim_SetResultInt(interp
, 1);
1184 if (errno
== EACCES
|| errno
== EAGAIN
)
1185 Jim_SetResultInt(interp
, 0);
1188 Jim_SetResultFormatted(interp
, "lock failed: %s",
1194 Jim_SetResultInt(interp
, 0);
1201 static int aio_cmd_unlock(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1203 AioFile
*af
= Jim_CmdPrivData(interp
);
1207 fl
.l_type
= F_UNLCK
;
1208 fl
.l_whence
= SEEK_SET
;
1210 Jim_SetResultInt(interp
, fcntl(af
->fd
, F_SETLK
, &fl
) == 0);
1213 #endif /* JIM_BOOTSTRAP */
1215 #if defined(HAVE_TERMIOS_H) && !defined(JIM_BOOTSTRAP)
1216 static int aio_cmd_tty(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1218 AioFile
*af
= Jim_CmdPrivData(interp
);
1219 Jim_Obj
*dictObjPtr
;
1223 /* get the current settings as a dictionary */
1224 dictObjPtr
= Jim_GetTtySettings(interp
, af
->fd
);
1225 if (dictObjPtr
== NULL
) {
1226 JimAioSetError(interp
, NULL
);
1229 Jim_SetResult(interp
, dictObjPtr
);
1234 /* Convert name value arguments to a dictionary */
1235 dictObjPtr
= Jim_NewListObj(interp
, argv
, argc
);
1238 /* The settings are already given as a list */
1239 dictObjPtr
= argv
[0];
1241 Jim_IncrRefCount(dictObjPtr
);
1243 if (Jim_ListLength(interp
, dictObjPtr
) % 2) {
1244 /* Must be a valid dictionary */
1245 Jim_DecrRefCount(interp
, dictObjPtr
);
1249 ret
= Jim_SetTtySettings(interp
, af
->fd
, dictObjPtr
);
1251 JimAioSetError(interp
, NULL
);
1254 Jim_DecrRefCount(interp
, dictObjPtr
);
1258 #endif /* JIM_BOOTSTRAP */
1260 static const jim_subcmd_type aio_command_table
[] = {
1262 "?-nonewline? ?len?",
1266 /* Description: Read and return bytes from the stream. To eof if no len. */
1273 /* Description: Copy up to 'size' bytes to the given filehandle, or to eof if no size. */
1280 /* Description: Read one line and return it or store it in the var */
1287 /* Description: Write the string, with newline unless -nonewline */
1294 /* Description: Is the file descriptor a tty? */
1296 #if !defined(JIM_ANSIC) && !defined(JIM_BOOTSTRAP)
1302 /* Description: Receive up to 'len' bytes on the socket. Sets 'addrvar' with receive address, if set */
1309 /* Description: Send 'str' to the given address (dgram only) */
1316 /* Description: Server socket only: Accept a connection and return stream */
1323 /* Description: Set the listen backlog for server socket */
1325 #endif /* JIM_BOOTSTRAP */
1331 /* Description: Flush the stream */
1338 /* Description: Returns 1 if stream is at eof */
1345 JIM_MODFLAG_FULLARGV
,
1346 /* Description: Closes the stream. */
1349 "offset ?start|current|end",
1353 /* Description: Seeks in the stream (default 'current') */
1360 /* Description: Returns the current seek position */
1367 /* Description: Returns the original filename */
1375 /* Description: Set O_NDELAY (if arg). Returns current/new setting. */
1384 /* Description: Flush and fsync() the stream */
1392 /* Description: Sets buffering */
1394 #ifdef jim_ext_eventloop
1396 "?readable-script?",
1400 /* Description: Returns script, or invoke readable-script when readable, {} to remove */
1403 "?writable-script?",
1407 /* Description: Returns script, or invoke writable-script when writable, {} to remove */
1410 "?exception-script?",
1411 aio_cmd_onexception
,
1414 /* Description: Returns script, or invoke exception-script when oob data, {} to remove */
1417 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
1419 "?-server cert priv?",
1423 JIM_MODFLAG_FULLARGV
1424 /* Description: Wraps a stream socket with SSL/TLS and returns a new channel */
1431 /* Description: Verifies the certificate of a SSL/TLS channel */
1433 #endif /* JIM_BOOTSTRAP */
1434 #if defined(HAVE_STRUCT_FLOCK) && !defined(JIM_BOOTSTRAP)
1440 /* Description: Attempt to get a lock. */
1447 /* Description: Relase a lock. */
1449 #endif /* JIM_BOOTSTRAP */
1450 #if defined(HAVE_TERMIOS_H) && !defined(JIM_BOOTSTRAP)
1452 "?baud rate? ?data bits? ?stop bits? ?parity even|odd|none? ?handshake xonxoff|rtscts|none? ?input raw|cooked? ?output raw|cooked? ?vmin n? ?vtime n?",
1456 /* Description: Get or set tty settings - valid only on a tty */
1458 #endif /* JIM_BOOTSTRAP */
1462 static int JimAioSubCmdProc(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1464 return Jim_CallSubCmd(interp
, Jim_ParseSubCmd(interp
, aio_command_table
, argc
, argv
), argc
, argv
);
1467 static int JimAioOpenCommand(Jim_Interp
*interp
, int argc
,
1468 Jim_Obj
*const *argv
)
1472 if (argc
!= 2 && argc
!= 3) {
1473 Jim_WrongNumArgs(interp
, 1, argv
, "filename ?mode?");
1477 mode
= (argc
== 3) ? Jim_String(argv
[2]) : "r";
1479 #ifdef jim_ext_tclcompat
1481 const char *filename
= Jim_String(argv
[1]);
1483 /* If the filename starts with '|', use popen instead */
1484 if (*filename
== '|') {
1485 Jim_Obj
*evalObj
[3];
1487 evalObj
[0] = Jim_NewStringObj(interp
, "::popen", -1);
1488 evalObj
[1] = Jim_NewStringObj(interp
, filename
+ 1, -1);
1489 evalObj
[2] = Jim_NewStringObj(interp
, mode
, -1);
1491 return Jim_EvalObjVector(interp
, 3, evalObj
);
1495 return JimMakeChannel(interp
, NULL
, -1, argv
[1], "aio.handle%ld", 0, mode
) ? JIM_OK
: JIM_ERR
;
1498 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
1499 static void JimAioSslContextDelProc(struct Jim_Interp
*interp
, void *privData
)
1501 SSL_CTX_free((SSL_CTX
*)privData
);
1505 static SSL_CTX
*JimAioSslCtx(Jim_Interp
*interp
)
1507 SSL_CTX
*ssl_ctx
= (SSL_CTX
*)Jim_GetAssocData(interp
, "ssl_ctx");
1508 if (ssl_ctx
== NULL
) {
1509 SSL_load_error_strings();
1511 ssl_ctx
= SSL_CTX_new(TLSv1_2_method());
1512 if (ssl_ctx
&& SSL_CTX_set_default_verify_paths(ssl_ctx
)) {
1513 SSL_CTX_set_verify(ssl_ctx
, SSL_VERIFY_NONE
, NULL
);
1514 Jim_SetAssocData(interp
, "ssl_ctx", JimAioSslContextDelProc
, ssl_ctx
);
1516 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
1521 #endif /* JIM_BOOTSTRAP */
1524 * Creates a channel for fh/fd/filename.
1526 * If fh is not NULL, uses that as the channel (and sets AIO_KEEPOPEN).
1527 * Otherwise, if fd is >= 0, uses that as the channel.
1528 * Otherwise opens 'filename' with mode 'mode'.
1530 * hdlfmt is a sprintf format for the filehandle. Anything with %ld at the end will do.
1531 * mode is used for open or fdopen.
1533 * Creates the command and sets the name as the current result.
1534 * Returns the AioFile pointer on sucess or NULL on failure.
1536 static AioFile
*JimMakeChannel(Jim_Interp
*interp
, FILE *fh
, int fd
, Jim_Obj
*filename
,
1537 const char *hdlfmt
, int family
, const char *mode
)
1540 char buf
[AIO_CMD_LEN
];
1543 snprintf(buf
, sizeof(buf
), hdlfmt
, Jim_GetId(interp
));
1546 openFlags
= AIO_KEEPOPEN
;
1549 snprintf(buf
, sizeof(buf
), hdlfmt
, Jim_GetId(interp
));
1551 filename
= Jim_NewStringObj(interp
, buf
, -1);
1554 Jim_IncrRefCount(filename
);
1557 #if !defined(JIM_ANSIC)
1559 fh
= fdopen(fd
, mode
);
1563 fh
= fopen(Jim_String(filename
), mode
);
1566 JimAioSetError(interp
, filename
);
1567 #if !defined(JIM_ANSIC)
1572 Jim_DecrRefCount(interp
, filename
);
1577 /* Create the file command */
1578 af
= Jim_Alloc(sizeof(*af
));
1579 memset(af
, 0, sizeof(*af
));
1581 af
->fd
= fileno(fh
);
1582 af
->filename
= filename
;
1584 if ((openFlags
& AIO_KEEPOPEN
) == 0) {
1585 (void)fcntl(af
->fd
, F_SETFD
, FD_CLOEXEC
);
1588 af
->openFlags
= openFlags
;
1589 af
->addr_family
= family
;
1590 af
->fops
= &stdio_fops
;
1593 Jim_CreateCommand(interp
, buf
, JimAioSubCmdProc
, af
, JimAioDelProc
);
1595 /* Note that the command must use the global namespace, even if
1596 * the current namespace is something different
1598 Jim_SetResult(interp
, Jim_MakeGlobalNamespaceName(interp
, Jim_NewStringObj(interp
, buf
, -1)));
1603 #if defined(HAVE_PIPE) || (defined(HAVE_SOCKETPAIR) && defined(HAVE_SYS_UN_H))
1605 * Create a pair of channels. e.g. from pipe() or socketpair()
1607 static int JimMakeChannelPair(Jim_Interp
*interp
, int p
[2], Jim_Obj
*filename
,
1608 const char *hdlfmt
, int family
, const char *mode
[2])
1610 if (JimMakeChannel(interp
, NULL
, p
[0], filename
, hdlfmt
, family
, mode
[0])) {
1611 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
1612 Jim_ListAppendElement(interp
, objPtr
, Jim_GetResult(interp
));
1614 if (JimMakeChannel(interp
, NULL
, p
[1], filename
, hdlfmt
, family
, mode
[1])) {
1615 Jim_ListAppendElement(interp
, objPtr
, Jim_GetResult(interp
));
1616 Jim_SetResult(interp
, objPtr
);
1621 /* Can only be here if fdopen() failed */
1624 JimAioSetError(interp
, NULL
);
1629 #if !defined(JIM_ANSIC) && !defined(JIM_BOOTSTRAP)
1631 static int JimAioSockCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1633 const char *hdlfmt
= "aio.unknown%ld";
1634 const char *socktypes
[] = {
1654 SOCK_STREAM_SOCKETPAIR
,
1658 const char *hostportarg
= NULL
;
1661 const char *mode
= "r+";
1662 int family
= PF_INET
;
1663 Jim_Obj
*argv0
= argv
[0];
1666 if (argc
> 1 && Jim_CompareStringImmediate(interp
, argv
[1], "-ipv6")) {
1668 Jim_SetResultString(interp
, "ipv6 not supported", -1);
1679 Jim_WrongNumArgs(interp
, 1, &argv0
, "?-ipv6? type ?address?");
1683 if (Jim_GetEnum(interp
, argv
[1], socktypes
, &socktype
, "socket type", JIM_ERRMSG
) != JIM_OK
)
1684 return Jim_CheckShowCommands(interp
, argv
[1], socktypes
);
1686 Jim_SetEmptyResult(interp
);
1688 hdlfmt
= "aio.sock%ld";
1691 hostportarg
= Jim_String(argv
[2]);
1695 case SOCK_DGRAM_CLIENT
:
1697 /* No address, so an unconnected dgram socket */
1698 sock
= socket(family
, SOCK_DGRAM
, 0);
1700 JimAioSetError(interp
, NULL
);
1706 case SOCK_STREAM_CLIENT
:
1708 union sockaddr_any sa
;
1716 if (JimParseIPv6Address(interp
, hostportarg
, &sa
, &salen
) != JIM_OK
) {
1720 else if (JimParseIpAddress(interp
, hostportarg
, &sa
, &salen
) != JIM_OK
) {
1723 sock
= socket(family
, (socktype
== SOCK_DGRAM_CLIENT
) ? SOCK_DGRAM
: SOCK_STREAM
, 0);
1725 JimAioSetError(interp
, NULL
);
1728 res
= connect(sock
, &sa
.sa
, salen
);
1730 JimAioSetError(interp
, argv
[2]);
1737 case SOCK_STREAM_SERVER
:
1738 case SOCK_DGRAM_SERVER
:
1740 union sockaddr_any sa
;
1748 if (JimParseIPv6Address(interp
, hostportarg
, &sa
, &salen
) != JIM_OK
) {
1752 else if (JimParseIpAddress(interp
, hostportarg
, &sa
, &salen
) != JIM_OK
) {
1755 sock
= socket(family
, (socktype
== SOCK_DGRAM_SERVER
) ? SOCK_DGRAM
: SOCK_STREAM
, 0);
1757 JimAioSetError(interp
, NULL
);
1761 /* Enable address reuse */
1762 setsockopt(sock
, SOL_SOCKET
, SO_REUSEADDR
, (void *)&on
, sizeof(on
));
1764 res
= bind(sock
, &sa
.sa
, salen
);
1766 JimAioSetError(interp
, argv
[2]);
1770 if (socktype
== SOCK_STREAM_SERVER
) {
1771 res
= listen(sock
, 5);
1773 JimAioSetError(interp
, NULL
);
1778 hdlfmt
= "aio.socksrv%ld";
1782 #ifdef HAVE_SYS_UN_H
1785 struct sockaddr_un sa
;
1788 if (argc
!= 3 || ipv6
) {
1792 if (JimParseDomainAddress(interp
, hostportarg
, &sa
) != JIM_OK
) {
1793 JimAioSetError(interp
, argv
[2]);
1797 sock
= socket(PF_UNIX
, SOCK_STREAM
, 0);
1799 JimAioSetError(interp
, NULL
);
1802 len
= strlen(sa
.sun_path
) + 1 + sizeof(sa
.sun_family
);
1803 res
= connect(sock
, (struct sockaddr
*)&sa
, len
);
1805 JimAioSetError(interp
, argv
[2]);
1809 hdlfmt
= "aio.sockunix%ld";
1813 case SOCK_UNIX_SERVER
:
1815 struct sockaddr_un sa
;
1818 if (argc
!= 3 || ipv6
) {
1822 if (JimParseDomainAddress(interp
, hostportarg
, &sa
) != JIM_OK
) {
1823 JimAioSetError(interp
, argv
[2]);
1827 sock
= socket(PF_UNIX
, SOCK_STREAM
, 0);
1829 JimAioSetError(interp
, NULL
);
1832 len
= strlen(sa
.sun_path
) + 1 + sizeof(sa
.sun_family
);
1833 res
= bind(sock
, (struct sockaddr
*)&sa
, len
);
1835 JimAioSetError(interp
, argv
[2]);
1839 res
= listen(sock
, 5);
1841 JimAioSetError(interp
, NULL
);
1845 hdlfmt
= "aio.sockunixsrv%ld";
1850 #if defined(HAVE_SOCKETPAIR) && defined(HAVE_SYS_UN_H)
1851 case SOCK_STREAM_SOCKETPAIR
:
1854 static const char *mode
[2] = { "r+", "r+" };
1856 if (argc
!= 2 || ipv6
) {
1860 if (socketpair(PF_UNIX
, SOCK_STREAM
, 0, p
) < 0) {
1861 JimAioSetError(interp
, NULL
);
1864 return JimMakeChannelPair(interp
, p
, argv
[1], "aio.sockpair%ld", PF_UNIX
, mode
);
1869 #if defined(HAVE_PIPE)
1870 case SOCK_STREAM_PIPE
:
1873 static const char *mode
[2] = { "r", "w" };
1875 if (argc
!= 2 || ipv6
) {
1880 JimAioSetError(interp
, NULL
);
1884 return JimMakeChannelPair(interp
, p
, argv
[1], "aio.pipe%ld", 0, mode
);
1890 Jim_SetResultString(interp
, "Unsupported socket type", -1);
1894 return JimMakeChannel(interp
, NULL
, sock
, argv
[1], hdlfmt
, family
, mode
) ? JIM_OK
: JIM_ERR
;
1896 #endif /* JIM_BOOTSTRAP */
1899 * Returns the file descriptor of a writable, newly created temp file
1902 * On success, leaves the filename in the interpreter result, otherwise
1903 * leaves an error message.
1905 int Jim_MakeTempFile(Jim_Interp
*interp
, const char *template)
1910 Jim_Obj
*filenameObj
;
1912 if (template == NULL
) {
1913 const char *tmpdir
= getenv("TMPDIR");
1914 if (tmpdir
== NULL
|| *tmpdir
== '\0' || access(tmpdir
, W_OK
) != 0) {
1917 filenameObj
= Jim_NewStringObj(interp
, tmpdir
, -1);
1918 if (tmpdir
[0] && tmpdir
[strlen(tmpdir
) - 1] != '/') {
1919 Jim_AppendString(interp
, filenameObj
, "/", 1);
1921 Jim_AppendString(interp
, filenameObj
, "tcl.tmp.XXXXXX", -1);
1924 filenameObj
= Jim_NewStringObj(interp
, template, -1);
1927 /* Update the template name directly with the filename */
1928 mask
= umask(S_IXUSR
| S_IRWXG
| S_IRWXO
);
1929 fd
= mkstemp(filenameObj
->bytes
);
1932 JimAioSetError(interp
, filenameObj
);
1933 Jim_FreeNewObj(interp
, filenameObj
);
1937 Jim_SetResult(interp
, filenameObj
);
1940 Jim_SetResultString(interp
, "platform has no tempfile support", -1);
1945 #if defined(JIM_SSL) && !defined(JIM_BOOTSTRAP)
1946 static int JimAioLoadSSLCertsCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
1951 Jim_WrongNumArgs(interp
, 1, argv
, "dir");
1955 ssl_ctx
= JimAioSslCtx(interp
);
1959 if (SSL_CTX_load_verify_locations(ssl_ctx
, NULL
, Jim_String(argv
[1])) == 1) {
1962 Jim_SetResultString(interp
, ERR_error_string(ERR_get_error(), NULL
), -1);
1965 #endif /* JIM_BOOTSTRAP */
1967 int Jim_aioInit(Jim_Interp
*interp
)
1969 if (Jim_PackageProvide(interp
, "aio", "1.0", JIM_ERRMSG
))
1972 #if defined(JIM_SSL)
1973 Jim_CreateCommand(interp
, "load_ssl_certs", JimAioLoadSSLCertsCommand
, NULL
, NULL
);
1976 Jim_CreateCommand(interp
, "open", JimAioOpenCommand
, NULL
, NULL
);
1978 Jim_CreateCommand(interp
, "socket", JimAioSockCommand
, NULL
, NULL
);
1981 /* Create filehandles for stdin, stdout and stderr */
1982 JimMakeChannel(interp
, stdin
, -1, NULL
, "stdin", 0, "r");
1983 JimMakeChannel(interp
, stdout
, -1, NULL
, "stdout", 0, "w");
1984 JimMakeChannel(interp
, stderr
, -1, NULL
, "stderr", 0, "w");