Mercurial > vim
diff src/os_unix.c @ 2992:ee17ee712512 v7.3.268
updated for version 7.3.268
Problem: Vim freezes when executing an external command with zsh.
Solution: Use O_NOCTTY both in the master and slave. (Bjorn Winckler)
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Thu, 04 Aug 2011 19:36:52 +0200 |
parents | bf283e37792b |
children | 7f4f5ca70dbd |
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--- a/src/os_unix.c +++ b/src/os_unix.c @@ -3889,11 +3889,21 @@ mch_call_shell(cmd, options) if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE))) { pty_master_fd = OpenPTY(&tty_name); /* open pty */ - if (pty_master_fd >= 0 && ((pty_slave_fd = - open(tty_name, O_RDWR | O_EXTRA, 0)) < 0)) + if (pty_master_fd >= 0) { - close(pty_master_fd); - pty_master_fd = -1; + /* Leaving out O_NOCTTY may lead to waitpid() always returning + * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume + * adding O_NOCTTY always works when defined. */ +#ifdef O_NOCTTY + pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0); +#else + pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0); +#endif + if (pty_slave_fd < 0) + { + close(pty_master_fd); + pty_master_fd = -1; + } } } /*