aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/omapdrm/omap_irq.c
diff options
context:
space:
mode:
authorIcenowy Zheng <[email protected]>2019-06-23 04:37:59 +0000
committerRob Herring <[email protected]>2019-07-09 22:57:41 +0000
commitf59d261180f3b66367962f1974090815ce710056 (patch)
treec82a41383eefc3e6240e598b70d6deb840c2ea19 /drivers/gpu/drm/omapdrm/omap_irq.c
parentdt-bindings: vendor-prefixes: add SoChip (diff)
downloadkernel-f59d261180f3b66367962f1974090815ce710056.tar.gz
kernel-f59d261180f3b66367962f1974090815ce710056.zip
dt-bindings: vendor-prefixes: add Sipeed
Shenzhen Sipeed Technology Co., Ltd. is a company focused on development kits, which also contains rebranded Lichee Pi series. Add its vendor prefix binding. Signed-off-by: Icenowy Zheng <[email protected]> Signed-off-by: Rob Herring <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_irq.c')
0 files changed, 0 insertions, 0 deletions
26' href='#n26'>26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889
/* assuan-pipe-connect.c - Establish a pipe connection (client) 
 * Copyright (C) 2001, 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
 *
 * This file is part of Assuan.
 *
 * Assuan is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * Assuan is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA. 
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#ifndef HAVE_W32_SYSTEM
#include <sys/wait.h>
#else
#include <windows.h>
#endif

#include "assuan-defs.h"

/* Hacks for Slowaris.  */
#ifndef PF_LOCAL
# ifdef PF_UNIX
#  define PF_LOCAL PF_UNIX
# else
#  define PF_LOCAL AF_UNIX
# endif
#endif
#ifndef AF_LOCAL
# define AF_LOCAL AF_UNIX
#endif


#ifdef _POSIX_OPEN_MAX
#define MAX_OPEN_FDS _POSIX_OPEN_MAX
#else
#define MAX_OPEN_FDS 20
#endif

#ifdef HAVE_W32_SYSTEM
/* We assume that a HANDLE can be represented by an int which should
   be true for all i386 systems (HANDLE is defined as void *) and
   these are the only systems for which Windows is available.  Further
   we assume that -1 denotes an invalid handle.  */
#define fd_to_handle(a)  ((HANDLE)(a))
#define handle_to_fd(a)  ((int)(a))
#define pid_to_handle(a) ((HANDLE)(a))
#define handle_to_pid(a) ((int)(a))
#endif /*HAVE_W32_SYSTEM*/


/* This should be called to make sure that SIGPIPE gets ignored.  */
static void
fix_signals (void)
{
#ifndef _ASSUAN_NO_FIXED_SIGNALS
#ifndef HAVE_DOSISH_SYSTEM  /* No SIGPIPE for these systems.  */
  static int fixed_signals;

  if (!fixed_signals)
    { 
      struct sigaction act;
        
      sigaction (SIGPIPE, NULL, &act);
      if (act.sa_handler == SIG_DFL)
	{
	  act.sa_handler = SIG_IGN;
	  sigemptyset (&act.sa_mask);
	  act.sa_flags = 0;
	  sigaction (SIGPIPE, &act, NULL);
        }
      fixed_signals = 1;
      /* FIXME: This is not MT safe */
    }
#endif /*HAVE_DOSISH_SYSTEM*/
#endif /*!_ASSUAN_NO_FIXED_SIGNALS*/
}


#ifndef HAVE_W32_SYSTEM
static int
writen (int fd, const char *buffer, size_t length)
{
  while (length)
    {
      int nwritten = write (fd, buffer, length);
      
      if (nwritten < 0)
        {
          if (errno == EINTR)
            continue;
          return -1; /* write error */
        }
      length -= nwritten;
      buffer += nwritten;
    }
  return 0;  /* okay */
}
#endif

static int
do_finish (assuan_context_t ctx)
{
  if (ctx->inbound.fd != -1)
    {
      _assuan_close (ctx->inbound.fd);
      if (ctx->inbound.fd == ctx->outbound.fd)
        ctx->outbound.fd = -1;
      ctx->inbound.fd = -1;
    }
  if (ctx->outbound.fd != -1)
    {
      _assuan_close (ctx->outbound.fd);
      ctx->outbound.fd = -1;
    }
  if (ctx->pid != -1 && ctx->pid)
    {
#ifndef HAVE_W32_SYSTEM
#ifndef _ASSUAN_USE_DOUBLE_FORK
      if (!ctx->flags.no_waitpid)
        _assuan_waitpid (ctx->pid, NULL, 0); 
      ctx->pid = -1;
#endif
#endif /*!HAVE_W32_SYSTEM*/
    }
  return 0;
}

static void
do_deinit (assuan_context_t ctx)
{
  do_finish (ctx);
}


/* Helper for pipe_connect. */
static assuan_error_t
initial_handshake (assuan_context_t *ctx)
{
  int okay, off;
  assuan_error_t err;
  
  err = _assuan_read_from_server (*ctx, &okay, &off);
  if (err)
    _assuan_log_printf ("can't connect server: %s\n",
                        assuan_strerror (err));
  else if (okay != 1)
    {
      _assuan_log_printf ("can't connect server: `%s'\n",
                          (*ctx)->inbound.line);
      err = _assuan_error (ASSUAN_Connect_Failed);
    }

  if (err)
    {
      assuan_disconnect (*ctx);
      *ctx = NULL;
    }
  return err;
}


#ifndef HAVE_W32_SYSTEM
#define pipe_connect pipe_connect_unix
/* Unix version of the pipe connection code.  We use an extra macro to
   make ChangeLog entries easier. */
static assuan_error_t
pipe_connect_unix (assuan_context_t *ctx,
                   const char *name, const char *const argv[],
                   int *fd_child_list,
                   void (*atfork) (void *opaque, int reserved),
                   void *atforkvalue)
{
  assuan_error_t err;
  int rp[2];
  int wp[2];
  char mypidstr[50];

  if (!ctx || !name || !argv || !argv[0])
    return _assuan_error (ASSUAN_Invalid_Value);

  fix_signals ();

  sprintf (mypidstr, "%lu", (unsigned long)getpid ());

  if (pipe (rp) < 0)
    return _assuan_error (ASSUAN_General_Error);
  
  if (pipe (wp) < 0)
    {
      close (rp[0]);
      close (rp[1]);
      return _assuan_error (ASSUAN_General_Error);
    }

  err = _assuan_new_context (ctx);
  if (err)
    {
      close (rp[0]);
      close (rp[1]);
      close (wp[0]);
      close (wp[1]);
      return err;
    }
  (*ctx)->pipe_mode = 1;
  (*ctx)->inbound.fd  = rp[0];  /* Our inbound is read end of read pipe. */
  (*ctx)->outbound.fd = wp[1];  /* Our outbound is write end of write pipe. */
  (*ctx)->deinit_handler = do_deinit;
  (*ctx)->finish_handler = do_finish;

  /* FIXME: For GPGME we should better use _gpgme_io_spawn.  The PID
     stored here is actually soon useless.  */
  (*ctx)->pid = fork ();
  if ((*ctx)->pid < 0)
    {
      close (rp[0]);
      close (rp[1]);
      close (wp[0]);
      close (wp[1]);
      _assuan_release_context (*ctx); 
      return _assuan_error (ASSUAN_General_Error);
    }

  if ((*ctx)->pid == 0)
    {
#ifdef _ASSUAN_USE_DOUBLE_FORK      
      pid_t pid;

      if ((pid = fork ()) == 0)
#endif
	{
          int i, n;
          char errbuf[512];
          int *fdp;
          
          if (atfork)
            atfork (atforkvalue, 0);

          /* Dup handles to stdin/stdout. */
          if (rp[1] != STDOUT_FILENO)
            {
              if (dup2 (rp[1], STDOUT_FILENO) == -1)
                {
                  _assuan_log_printf ("dup2 failed in child: %s\n",
                                      strerror (errno));
                  _exit (4);
                }
            }
          if (wp[0] != STDIN_FILENO)
            {
              if (dup2 (wp[0], STDIN_FILENO) == -1)
                {
                  _assuan_log_printf ("dup2 failed in child: %s\n",
                                      strerror (errno));
                  _exit (4);
                }
            }

          /* Dup stderr to /dev/null unless it is in the list of FDs to be
             passed to the child. */
          fdp = fd_child_list;
          if (fdp)
            {
              for (; *fdp != -1 && *fdp != STDERR_FILENO; fdp++)
                ;
            }
          if (!fdp || *fdp == -1)
            {
              int fd = open ("/dev/null", O_WRONLY);
              if (fd == -1)
                {
                  _assuan_log_printf ("can't open `/dev/null': %s\n",
                                      strerror (errno));
                  _exit (4);
                }
              if (dup2 (fd, STDERR_FILENO) == -1)
                {
                  _assuan_log_printf ("dup2(dev/null, 2) failed: %s\n",
                                      strerror (errno));
                  _exit (4);
                }
            }


          /* Close all files which will not be duped and are not in the
             fd_child_list. */
          n = sysconf (_SC_OPEN_MAX);
          if (n < 0)
            n = MAX_OPEN_FDS;
          for (i=0; i < n; i++)
            {
              if ( i == STDIN_FILENO || i == STDOUT_FILENO
                   || i == STDERR_FILENO)
                continue;
              fdp = fd_child_list;
              if (fdp)
                {
                  while (*fdp != -1 && *fdp != i)
                    fdp++;
                }

              if (!(fdp && *fdp != -1))
                close(i);
            }
          errno = 0;

          /* We store our parents pid in the environment so that the
             execed assuan server is able to read the actual pid of the
             client.  The server can't use getppid because it might have
             been double forked before the assuan server has been
             initialized. */
          setenv ("_assuan_pipe_connect_pid", mypidstr, 1);

          /* Make sure that we never pass a connection fd variable
             when using a simple pipe.  */
          unsetenv ("_assuan_connection_fd");

          execv (name, (char *const *) argv); 
          /* oops - use the pipe to tell the parent about it */
          snprintf (errbuf, sizeof(errbuf)-1,
                    "ERR %d can't exec `%s': %.50s\n",
                    _assuan_error (ASSUAN_Problem_Starting_Server),
                    name, strerror (errno));
          errbuf[sizeof(errbuf)-1] = 0;
          writen (1, errbuf, strlen (errbuf));
          _exit (4);
        }
#ifdef _ASSUAN_USE_DOUBLE_FORK
      if (pid == -1)
	_exit (1);
      else
	_exit (0);
#endif
    }

#ifdef _ASSUAN_USE_DOUBLE_FORK
  _assuan_waitpid ((*ctx)->pid, NULL, 0);
  (*ctx)->pid = -1;
#endif

  close (rp[1]);
  close (wp[0]);

  return initial_handshake (ctx);
}
#endif /*!HAVE_W32_SYSTEM*/


#ifndef HAVE_W32_SYSTEM
/* This function is similar to pipe_connect but uses a socketpair and
   sets the I/O up to use sendmsg/recvmsg. */
static assuan_error_t
socketpair_connect (assuan_context_t *ctx,
                    const char *name, const char *const argv[],
                    int *fd_child_list,
                    void (*atfork) (void *opaque, int reserved),
                    void *atforkvalue)
{
  assuan_error_t err;
  int fds[2];
  char mypidstr[50];

  if (!ctx
      || (name && (!argv || !argv[0]))
      || (!name && argv))
    return _assuan_error (ASSUAN_Invalid_Value);

  fix_signals ();

  sprintf (mypidstr, "%lu", (unsigned long)getpid ());

  if ( socketpair (AF_LOCAL, SOCK_STREAM, 0, fds) )
    {
      _assuan_log_printf ("socketpair failed: %s\n", strerror (errno));
      return _assuan_error (ASSUAN_General_Error);
    }
  
  err = _assuan_new_context (ctx);
  if (err)
    {
      close (fds[0]);
      close (fds[1]);
      return err;
    }
  (*ctx)->pipe_mode = 1;
  (*ctx)->inbound.fd  = fds[0]; 
  (*ctx)->outbound.fd = fds[0]; 
  _assuan_init_uds_io (*ctx);
  (*ctx)->deinit_handler = _assuan_uds_deinit;
  (*ctx)->finish_handler = do_finish;

  (*ctx)->pid = fork ();
  if ((*ctx)->pid < 0)
    {
      close (fds[0]);
      close (fds[1]);
      _assuan_release_context (*ctx); 
      *ctx = NULL;
      return _assuan_error (ASSUAN_General_Error);
    }

  if ((*ctx)->pid == 0)
    {
#ifdef _ASSUAN_USE_DOUBLE_FORK      
      pid_t pid;

      if ((pid = fork ()) == 0)
#endif
	{
          int fd, i, n;
          char errbuf[512];
          int *fdp;
          
          if (atfork)
            atfork (atforkvalue, 0);

          /* Connect stdin and stdout to /dev/null. */
          fd = open ("/dev/null", O_RDONLY);
          if (fd == -1 || dup2 (fd, STDIN_FILENO) == -1)
            {
              _assuan_log_printf ("dup2(dev/null) failed: %s\n",
                                  strerror (errno));
              _exit (4);
            }
          fd = open ("/dev/null", O_WRONLY);
          if (fd == -1 || dup2 (fd, STDOUT_FILENO) == -1)
            {
              _assuan_log_printf ("dup2(dev/null) failed: %s\n",
                                  strerror (errno));
              _exit (4);
            }

          /* Dup stderr to /dev/null unless it is in the list of FDs to be
             passed to the child. */
          fdp = fd_child_list;
          if (fdp)
            {
              for (; *fdp != -1 && *fdp != STDERR_FILENO; fdp++)
                ;
            }
          if (!fdp || *fdp == -1)
            {
              fd = open ("/dev/null", O_WRONLY);
              if (fd == -1 || dup2 (fd, STDERR_FILENO) == -1)
                {
                  _assuan_log_printf ("dup2(dev/null) failed: %s\n",
                                      strerror (errno));
                  _exit (4);
                }
            }


          /* Close all files which will not be duped, are not in the
             fd_child_list and are not the connection fd. */
          n = sysconf (_SC_OPEN_MAX);
          if (n < 0)
            n = MAX_OPEN_FDS;
          for (i=0; i < n; i++)
            {
              if ( i == STDIN_FILENO || i == STDOUT_FILENO
                   || i == STDERR_FILENO || i == fds[1])
                continue;
              fdp = fd_child_list;
              if (fdp)
                {
                  while (*fdp != -1 && *fdp != i)
                    fdp++;
                }

              if (!(fdp && *fdp != -1))
                close(i);
            }
          errno = 0;

          /* We store our parents pid in the environment so that the
             execed assuan server is able to read the actual pid of the
             client.  The server can't use getppid becuase it might have
             been double forked before the assuan server has been
             initialized. */
          setenv ("_assuan_pipe_connect_pid", mypidstr, 1);

          /* Now set the environment variable used to convey the
             connection's file descriptor. */
          sprintf (mypidstr, "%d", fds[1]);
          if (setenv ("_assuan_connection_fd", mypidstr, 1))
            {
              _assuan_log_printf ("setenv failed: %s\n", strerror (errno));
              _exit (4);
            }

          if (!name && !argv)
            {
              /* No name and no args given, thus we don't do an exec
                 but continue the forked process.  */
              _assuan_release_context (*ctx);
              *ctx = NULL;
              return 0;
            }

          execv (name, (char *const *) argv); 
          /* oops - use the pipe to tell the parent about it */
          snprintf (errbuf, sizeof(errbuf)-1,
                    "ERR %d can't exec `%s': %.50s\n",
                    _assuan_error (ASSUAN_Problem_Starting_Server),
                    name, strerror (errno));
          errbuf[sizeof(errbuf)-1] = 0;
          writen (fds[1], errbuf, strlen (errbuf));
          _exit (4);
        }
#ifdef _ASSUAN_USE_DOUBLE_FORK
      if (pid == -1)
	_exit (1);
      else
	_exit (0);
#endif
    }


#ifdef _ASSUAN_USE_DOUBLE_FORK
  _assuan_waitpid ((*ctx)->pid, NULL, 0);
  (*ctx)->pid = -1;
#endif

  close (fds[1]);
  
  return initial_handshake (ctx);
}
#endif /*!HAVE_W32_SYSTEM*/



#ifdef HAVE_W32_SYSTEM
/* Build a command line for use with W32's CreateProcess.  On success
   CMDLINE gets the address of a newly allocated string.  */
static int
build_w32_commandline (char * const *argv, char **cmdline)
{
  int i, n;
  const char *s;
  char *buf, *p;

  *cmdline = NULL;
  n = 0;
  for (i=0; (s=argv[i]); i++)
    {
      n += strlen (s) + 1 + 2;  /* (1 space, 2 quoting */
      for (; *s; s++)
        if (*s == '\"')
          n++;  /* Need to double inner quotes.  */
    }
  n++;

  buf = p = xtrymalloc (n);
  if (!buf)
    return -1;

  for (i=0; argv[i]; i++) 
    {
      if (i)
        p = stpcpy (p, " ");
      if (!*argv[i]) /* Empty string. */
        p = stpcpy (p, "\"\"");
      else if (strpbrk (argv[i], " \t\n\v\f\""))
        {
          p = stpcpy (p, "\"");
          for (s=argv[i]; *s; s++)
            {
              *p++ = *s;
              if (*s == '\"')
                *p++ = *s;
            }
          *p++ = '\"';
          *p = 0;
        }
      else
        p = stpcpy (p, argv[i]);
    }

  *cmdline= buf;
  return 0;
}
#endif /*HAVE_W32_SYSTEM*/


#ifdef HAVE_W32_SYSTEM
/* Create pipe where one end end is inheritable.  */
static int
create_inheritable_pipe (int filedes[2], int for_write)
{
  HANDLE r, w, h;
  SECURITY_ATTRIBUTES sec_attr;

  memset (&sec_attr, 0, sizeof sec_attr );
  sec_attr.nLength = sizeof sec_attr;
  sec_attr.bInheritHandle = FALSE;
    
  if (!CreatePipe (&r, &w, &sec_attr, 0))
    {
      _assuan_log_printf ("CreatePipe failed: %s\n", w32_strerror (-1));
      return -1;
    }

  if (!DuplicateHandle (GetCurrentProcess(), for_write? r : w,
                        GetCurrentProcess(), &h, 0,
                        TRUE, DUPLICATE_SAME_ACCESS ))
    {
      _assuan_log_printf ("DuplicateHandle failed: %s\n", w32_strerror (-1));
      CloseHandle (r);
      CloseHandle (w);
      return -1;
    }
  if (for_write)
    {
      CloseHandle (r);
      r = h;
    }
  else
    {
      CloseHandle (w);
      w = h;
    }

  filedes[0] = handle_to_fd (r);
  filedes[1] = handle_to_fd (w);
  return 0;
}
#endif /*HAVE_W32_SYSTEM*/


#ifdef HAVE_W32_SYSTEM
#define pipe_connect pipe_connect_w32
/* W32 version of the pipe connection code. */
static assuan_error_t
pipe_connect_w32 (assuan_context_t *ctx,
                  const char *name, const char *const argv[],
                  int *fd_child_list,
                  void (*atfork) (void *opaque, int reserved),
                  void *atforkvalue)
{
  assuan_error_t err;
  int rp[2];
  int wp[2];
  char mypidstr[50];
  char *cmdline;
  SECURITY_ATTRIBUTES sec_attr;
  PROCESS_INFORMATION pi = 
    {
      NULL,      /* Returns process handle.  */
      0,         /* Returns primary thread handle.  */
      0,         /* Returns pid.  */
      0          /* Returns tid.  */
    };
  STARTUPINFO si;
  int fd, *fdp;
  HANDLE nullfd = INVALID_HANDLE_VALUE;

  if (!ctx || !name || !argv || !argv[0])
    return _assuan_error (ASSUAN_Invalid_Value);

  fix_signals ();

  sprintf (mypidstr, "%lu", (unsigned long)getpid ());

  /* Build the command line.  */
  if (build_w32_commandline (argv, &cmdline))
    return _assuan_error (ASSUAN_Out_Of_Core);

  /* Create thew two pipes. */
  if (create_inheritable_pipe (rp, 0))
    {
      xfree (cmdline);
      return _assuan_error (ASSUAN_General_Error);
    }
  
  if (create_inheritable_pipe (wp, 1))
    {
      CloseHandle (fd_to_handle (rp[0]));
      CloseHandle (fd_to_handle (rp[1]));
      xfree (cmdline);
      return _assuan_error (ASSUAN_General_Error);
    }

  
  err = _assuan_new_context (ctx);
  if (err)
    {
      CloseHandle (fd_to_handle (rp[0]));
      CloseHandle (fd_to_handle (rp[1]));
      CloseHandle (fd_to_handle (wp[0]));
      CloseHandle (fd_to_handle (wp[1]));
      xfree (cmdline);
      return _assuan_error (ASSUAN_General_Error);
    }

  (*ctx)->pipe_mode = 1;
  (*ctx)->inbound.fd  = rp[0];  /* Our inbound is read end of read pipe. */