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* ext/pty/pty.c (get_device_once): FreeBSD 8 supported O_CLOEXEC flag

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for posix_openpt, but FreeBSD 9's posix_openpt doesn't support
  O_CLOEXEC and fails if specified.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2011-11-08 08:26:00 +00:00
parent 53881a8c6d
commit 452bf3b9c9
2 changed files with 7 additions and 6 deletions
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5
ChangeLog
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@ -6,8 +6,9 @@ Tue Nov 8 14:50:55 2011 NAKAMURA Usaku <usa@ruby-lang.org>
Tue Nov 8 11:01:04 2011 NARUSE, Yui <naruse@ruby-lang.org>
* ext/pty/pty.c (get_device_once): FreeBSD's posix_openpt doesn't
support O_CLOEXEC and fails if specified.
* ext/pty/pty.c (get_device_once): FreeBSD 8 supported O_CLOEXEC flag
for posix_openpt, but FreeBSD 9's posix_openpt doesn't support
O_CLOEXEC and fails if specified.
Tue Nov 8 02:36:45 2011 NAKAMURA Usaku <usa@ruby-lang.org>

8
ext/pty/pty.c
View file

@ -291,19 +291,19 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
dfl.sa_flags = 0;
sigemptyset(&dfl.sa_mask);
#if defined(__sun)
#if defined(__sun) || defined(__FreeBSD__)
/* workaround for Solaris 10: grantpt() doesn't work if FD_CLOEXEC is set. [ruby-dev:44688] */
/* FreeBSD 8 supported O_CLOEXEC for posix_openpt, but FreeBSD 9 removed it */
if ((masterfd = posix_openpt(O_RDWR|O_NOCTTY)) == -1) goto error;
if (sigaction(SIGCHLD, &dfl, &old) == -1) goto error;
if (grantpt(masterfd) == -1) goto grantpt_error;
rb_fd_fix_cloexec(masterfd);
#else
flags = O_RDWR|O_NOCTTY;
# if defined(O_CLOEXEC) && !defined(__FreeBSD__)
# if defined(O_CLOEXEC)
/* glibc posix_openpt() in GNU/Linux calls open("/dev/ptmx", flags) internally.
* So version dependency on GNU/Linux is same as O_CLOEXEC with open().
* O_CLOEXEC is available since Linux 2.6.23. Linux 2.6.18 silently ignore it.
* FreeBSD's posix_openpt doesn't support O_CLOEXEC and fails if specified*/
* O_CLOEXEC is available since Linux 2.6.23. Linux 2.6.18 silently ignore it. */
flags |= O_CLOEXEC;
# endif
if ((masterfd = posix_openpt(flags)) == -1) goto error;