#include <chpdef.h>
#include <clidef.h>
#include <climsgdef.h>
+#include <dcdef.h>
#include <descrip.h>
#include <devdef.h>
#include <dvidef.h>
#include <uicdef.h>
#include <stsdef.h>
#include <rmsdef.h>
+#include <smgdef.h>
#if __CRTL_VER >= 70000000 /* FIXME to earliest version */
#include <efndef.h>
#define NO_EFN EFN$C_ENF
# define RTL_USES_UTC 1
#endif
+#ifdef USE_VMS_DECTERM
+
+/* Routine to create a decterm for use with the Perl debugger */
+/* No headers, this information was found in the Programming Concepts Manual */
+
+int decw$term_port
+ (const struct dsc$descriptor_s * display,
+ const struct dsc$descriptor_s * setup_file,
+ const struct dsc$descriptor_s * customization,
+ struct dsc$descriptor_s * result_device_name,
+ unsigned short * result_device_name_length,
+ void * controller,
+ void * char_buffer,
+ void * char_change_buffer);
+#endif
/* gcc's header files don't #define direct access macros
* corresponding to VAXC's variant structs */
int in_done; /* true when in pipe finished */
int out_done;
int err_done;
+ unsigned short xchan; /* channel to debug xterm */
+ unsigned short xchan_valid; /* channel is assigned */
};
struct exit_control_block
if (!info->done) { /* We tried to be nice . . . */
sts = sys$delprc(&info->pid,0);
if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts_noperl(sts);
+ info->done = 1; /* sys$delprc is as done as we're going to get. */
}
_ckvmssts_noperl(sys$setast(1));
info = info->next;
}
+#ifdef USE_VMS_DECTERM
+
+static int vms_is_syscommand_xterm(void)
+{
+ const static struct dsc$descriptor_s syscommand_dsc =
+ { 11, DSC$K_DTYPE_T, DSC$K_CLASS_S, "SYS$COMMAND" };
+
+ const static struct dsc$descriptor_s decwdisplay_dsc =
+ { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "DECW$DISPLAY" };
+
+ struct item_list_3 items[2];
+ unsigned short dvi_iosb[4];
+ unsigned long devchar;
+ unsigned long devclass;
+ int status;
+
+ /* Very simple check to guess if sys$command is a decterm? */
+ /* First see if the DECW$DISPLAY: device exists */
+ items[0].len = 4;
+ items[0].code = DVI$_DEVCHAR;
+ items[0].bufadr = &devchar;
+ items[0].retadr = NULL;
+ items[1].len = 0;
+ items[1].code = 0;
+
+ status = sys$getdviw
+ (NO_EFN, 0, &decwdisplay_dsc, items, dvi_iosb, NULL, NULL, NULL);
+
+ if ($VMS_STATUS_SUCCESS(status)) {
+ status = dvi_iosb[0];
+ }
+
+ if (!$VMS_STATUS_SUCCESS(status)) {
+ SETERRNO(EVMSERR, status);
+ return -1;
+ }
+
+ /* If it does, then for now assume that we are on a workstation */
+ /* Now verify that SYS$COMMAND is a terminal */
+ /* for creating the debugger DECTerm */
+
+ items[0].len = 4;
+ items[0].code = DVI$_DEVCLASS;
+ items[0].bufadr = &devclass;
+ items[0].retadr = NULL;
+ items[1].len = 0;
+ items[1].code = 0;
+
+ status = sys$getdviw
+ (NO_EFN, 0, &syscommand_dsc, items, dvi_iosb, NULL, NULL, NULL);
+
+ if ($VMS_STATUS_SUCCESS(status)) {
+ status = dvi_iosb[0];
+ }
+
+ if (!$VMS_STATUS_SUCCESS(status)) {
+ SETERRNO(EVMSERR, status);
+ return -1;
+ }
+ else {
+ if (devclass == DC$_TERM) {
+ return 0;
+ }
+ }
+ return -1;
+}
+
+/* If we are on a DECTerm, we can pretend to fork xterms when requested */
+static PerlIO * create_forked_xterm(pTHX_ const char *cmd, const char *mode)
+{
+ int status;
+ int ret_stat;
+ char * ret_char;
+ char device_name[65];
+ unsigned short device_name_len;
+ struct dsc$descriptor_s customization_dsc;
+ struct dsc$descriptor_s device_name_dsc;
+ const char * cptr;
+ char * tptr;
+ char customization[200];
+ char title[40];
+ pInfo info = NULL;
+ char mbx1[64];
+ unsigned short p_chan;
+ int n;
+ unsigned short iosb[4];
+ struct item_list_3 items[2];
+ const char * cust_str =
+ "DECW$TERMINAL.iconName:\tPerl Dbg\nDECW$TERMINAL.title:\t%40s\n";
+ struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T,
+ DSC$K_CLASS_S, mbx1};
+
+ ret_char = strstr(cmd," xterm ");
+ if (ret_char == NULL)
+ return NULL;
+ cptr = ret_char + 7;
+ ret_char = strstr(cmd,"tty");
+ if (ret_char == NULL)
+ return NULL;
+ ret_char = strstr(cmd,"sleep");
+ if (ret_char == NULL)
+ return NULL;
+
+ /* Are we on a workstation? */
+ /* to do: capture the rows / columns and pass their properties */
+ ret_stat = vms_is_syscommand_xterm();
+ if (ret_stat < 0)
+ return NULL;
+
+ /* Make the title: */
+ ret_char = strstr(cptr,"-title");
+ if (ret_char != NULL) {
+ while ((*cptr != 0) && (*cptr != '\"')) {
+ cptr++;
+ }
+ if (*cptr == '\"')
+ cptr++;
+ n = 0;
+ while ((*cptr != 0) && (*cptr != '\"')) {
+ title[n] = *cptr;
+ n++;
+ if (n == 39) {
+ title[39] == 0;
+ break;
+ }
+ cptr++;
+ }
+ title[n] = 0;
+ }
+ else {
+ /* Default title */
+ strcpy(title,"Perl Debug DECTerm");
+ }
+ sprintf(customization, cust_str, title);
+
+ customization_dsc.dsc$a_pointer = customization;
+ customization_dsc.dsc$w_length = strlen(customization);
+ customization_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+ customization_dsc.dsc$b_class = DSC$K_CLASS_S;
+
+ device_name_dsc.dsc$a_pointer = device_name;
+ device_name_dsc.dsc$w_length = sizeof device_name -1;
+ device_name_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
+ device_name_dsc.dsc$b_class = DSC$K_CLASS_S;
+
+ device_name_len = 0;
+
+ /* Try to create the window */
+ status = decw$term_port
+ (NULL,
+ NULL,
+ &customization_dsc,
+ &device_name_dsc,
+ &device_name_len,
+ NULL,
+ NULL,
+ NULL);
+ if (!$VMS_STATUS_SUCCESS(status)) {
+ SETERRNO(EVMSERR, status);
+ return NULL;
+ }
+
+ device_name[device_name_len] = '\0';
+
+ /* Need to set this up to look like a pipe for cleanup */
+ n = sizeof(Info);
+ status = lib$get_vm(&n, &info);
+ if (!$VMS_STATUS_SUCCESS(status)) {
+ SETERRNO(ENOMEM, status);
+ return NULL;
+ }
+
+ info->mode = *mode;
+ info->done = FALSE;
+ info->completion = 0;
+ info->closing = FALSE;
+ info->in = 0;
+ info->out = 0;
+ info->err = 0;
+ info->fp = Nullfp;
+ info->useFILE = 0;
+ info->waiting = 0;
+ info->in_done = TRUE;
+ info->out_done = TRUE;
+ info->err_done = TRUE;
+
+ /* Assign a channel on this so that it will persist, and not login */
+ /* We stash this channel in the info structure for reference. */
+ /* The created xterm self destructs when the last channel is removed */
+ /* and it appears that perl5db.pl (perl debugger) does this routinely */
+ /* So leave this assigned. */
+ device_name_dsc.dsc$w_length = device_name_len;
+ status = sys$assign(&device_name_dsc,&info->xchan,0,0);
+ if (!$VMS_STATUS_SUCCESS(status)) {
+ SETERRNO(EVMSERR, status);
+ return NULL;
+ }
+ info->xchan_valid = 1;
+
+ /* Now create a mailbox to be read by the application */
+
+ create_mbx(aTHX_ &p_chan, &d_mbx1);
+
+ /* write the name of the created terminal to the mailbox */
+ status = sys$qiow(NO_EFN, p_chan, IO$_WRITEVBLK|IO$M_NOW,
+ iosb, NULL, NULL, device_name, device_name_len, 0, 0, 0, 0);
+
+ if (!$VMS_STATUS_SUCCESS(status)) {
+ SETERRNO(EVMSERR, status);
+ return NULL;
+ }
+
+ info->fp = PerlIO_open(mbx1, mode);
+
+ /* Done with this channel */
+ sys$dassgn(p_chan);
+
+ /* If any errors, then clean up */
+ if (!info->fp) {
+ n = sizeof(Info);
+ _ckvmssts(lib$free_vm(&n, &info));
+ return NULL;
+ }
+
+ /* All done */
+ return info->fp;
+}
+#endif
static PerlIO *
safe_popen(pTHX_ const char *cmd, const char *in_mode, int *psts)
$DESCRIPTOR(d_sym_in ,"PERL_POPEN_IN");
$DESCRIPTOR(d_sym_out,"PERL_POPEN_OUT");
$DESCRIPTOR(d_sym_err,"PERL_POPEN_ERR");
-
+
+#ifdef USE_VMS_DECTERM
+ /* Check here for Xterm create request. This means looking for
+ * "3>&1 xterm\b" and "\btty 1>&3\b$" in the command, and that it
+ * is possible to create an xterm.
+ */
+ if (*in_mode == 'r') {
+ PerlIO * xterm_fd;
+
+ xterm_fd = create_forked_xterm(aTHX_ cmd, in_mode);
+ if (xterm_fd != Nullfp)
+ return xterm_fd;
+ }
+#endif
+
if (!head_PLOC) store_pipelocs(aTHX); /* at least TRY to use a static vmspipe file */
/* once-per-program initialization...
set_errno(EVMSERR);
}
set_vaxc_errno(sts);
- if (*mode != 'n' && ckWARN(WARN_PIPE)) {
+ if (*in_mode != 'n' && ckWARN(WARN_PIPE)) {
Perl_warner(aTHX_ packWARN(WARN_PIPE),"Can't pipe \"%*s\": %s", strlen(cmd), cmd, Strerror(errno));
}
*psts = sts;
info->in_done = TRUE;
info->out_done = TRUE;
info->err_done = TRUE;
+ info->xchan = 0;
+ info->xchan_valid = 0;
in = PerlMem_malloc(VMS_MAXRSS);
if (in == NULL) _ckvmssts(SS$_INSFMEM);
info->out->info = info;
}
if (!info->useFILE) {
- info->fp = PerlIO_open(mbx, mode);
+ info->fp = PerlIO_open(mbx, mode);
} else {
info->fp = (PerlIO *) freopen(mbx, mode, stdin);
Perl_vmssetuserlnm(aTHX_ "SYS$INPUT",mbx);
pInfo info, last = NULL;
unsigned long int retsts;
int done, iss, n;
+ int status;
for (info = open_pipes; info != NULL; last = info, info = info->next)
if (info->fp == fp) break;
return fp;
}
+
#ifdef HAS_SYMLINK
static char *
mp_do_vms_realpath(pTHX_ const char *filespec, char * rslt_spec, const int *utf8_fl);
https://perl5.git.perl.org / perl5.git / blobdiff