Mercurial > vim

comparison src/os_unix.c @ 2600:d982226b7aaa v7.3.023

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
updated for version 7.3.023 Problem: External program may hang when it tries to write to the tty. Solution: Don't close the slave tty until after the child exits. (Nikola Knezevic)
author Bram Moolenaar <bram@vim.org>
date Wed, 13 Oct 2010 16:22:09 +0200
parents 538cd3220874
children 758822790b43
comparison
equal deleted inserted replaced
2599:8aa94f8080bd 2600:d982226b7aaa
4166 # endif 4166 # endif
4167 4167
4168 # ifdef FEAT_GUI 4168 # ifdef FEAT_GUI
4169 if (pty_master_fd >= 0) 4169 if (pty_master_fd >= 0)
4170 { 4170 {
4171 close(pty_slave_fd); /* close slave side of pty */
4172 fromshell_fd = pty_master_fd; 4171 fromshell_fd = pty_master_fd;
4173 toshell_fd = dup(pty_master_fd); 4172 toshell_fd = dup(pty_master_fd);
4174 } 4173 }
4175 else 4174 else
4176 # endif 4175 # endif
4634 && errno == ECHILD 4633 && errno == ECHILD
4635 # endif 4634 # endif
4636 ) 4635 )
4637 break; 4636 break;
4638 } 4637 }
4638
4639 # ifdef FEAT_GUI
4640 /* Close slave side of pty. Only do this after the child has
4641 * exited, otherwise the child may hang when it tries to write on
4642 * the pty. */
4643 if (pty_master_fd >= 0)
4644 close(pty_slave_fd);
4645 # endif
4639 4646
4640 /* Make sure the child that writes to the external program is 4647 /* Make sure the child that writes to the external program is
4641 * dead. */ 4648 * dead. */
4642 if (wpid > 0) 4649 if (wpid > 0)
4643 kill(wpid, SIGKILL); 4650 kill(wpid, SIGKILL);