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comparison libiberty/pex-common.c @ 67:f6334be47118

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update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
date Tue, 22 Mar 2011 17:18:12 +0900
parents 77e2b8dfacca
children 04ced10e8804
comparison
equal deleted inserted replaced
65:65488c3d617d 67:f6334be47118
1 /* Common code for executing a program in a sub-process. 1 /* Common code for executing a program in a sub-process.
2 Copyright (C) 2005 Free Software Foundation, Inc. 2 Copyright (C) 2005, 2010 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor <ian@airs.com>. 3 Written by Ian Lance Taylor <ian@airs.com>.
4 4
5 This file is part of the libiberty library. 5 This file is part of the libiberty library.
6 Libiberty is free software; you can redistribute it and/or 6 Libiberty is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public 7 modify it under the terms of the GNU Library General Public
503 503
504 o = obj->stderr_pipe; 504 o = obj->stderr_pipe;
505 if (o < 0 || o == STDIN_FILE_NO) 505 if (o < 0 || o == STDIN_FILE_NO)
506 return NULL; 506 return NULL;
507 obj->read_err = obj->funcs->fdopenr (obj, o, binary); 507 obj->read_err = obj->funcs->fdopenr (obj, o, binary);
508 obj->stderr_pipe = -1;
508 return obj->read_err; 509 return obj->read_err;
509 } 510 }
510 511
511 /* Get the exit status and, if requested, the resource time for all 512 /* Get the exit status and, if requested, the resource time for all
512 the child processes. Return 0 on failure, 1 on success. */ 513 the child processes. Return 0 on failure, 1 on success. */
595 /* Free a pex_obj structure. */ 596 /* Free a pex_obj structure. */
596 597
597 void 598 void
598 pex_free (struct pex_obj *obj) 599 pex_free (struct pex_obj *obj)
599 { 600 {
601 /* Close pipe file descriptors corresponding to child's stdout and
602 stderr so that the child does not hang trying to output something
603 while we're waiting for it. */
600 if (obj->next_input >= 0 && obj->next_input != STDIN_FILE_NO) 604 if (obj->next_input >= 0 && obj->next_input != STDIN_FILE_NO)
601 obj->funcs->close (obj, obj->next_input); 605 obj->funcs->close (obj, obj->next_input);
606 if (obj->stderr_pipe >= 0 && obj->stderr_pipe != STDIN_FILE_NO)
607 obj->funcs->close (obj, obj->stderr_pipe);
608 if (obj->read_output != NULL)
609 fclose (obj->read_output);
610 if (obj->read_err != NULL)
611 fclose (obj->read_err);
602 612
603 /* If the caller forgot to wait for the children, we do it here, to 613 /* If the caller forgot to wait for the children, we do it here, to
604 avoid zombies. */ 614 avoid zombies. */
605 if (obj->status == NULL) 615 if (obj->status == NULL)
606 { 616 {
617 free (obj->children); 627 free (obj->children);
618 if (obj->status != NULL) 628 if (obj->status != NULL)
619 free (obj->status); 629 free (obj->status);
620 if (obj->time != NULL) 630 if (obj->time != NULL)
621 free (obj->time); 631 free (obj->time);
622 if (obj->read_output != NULL)
623 fclose (obj->read_output);
624 if (obj->read_err != NULL)
625 fclose (obj->read_err);
626 632
627 if (obj->remove_count > 0) 633 if (obj->remove_count > 0)
628 { 634 {
629 int i; 635 int i;
630 636