diff options
Diffstat (limited to 'packages/glibc/2.14.1/0018-assume-pipe2.patch')
-rw-r--r-- | packages/glibc/2.14.1/0018-assume-pipe2.patch | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/packages/glibc/2.14.1/0018-assume-pipe2.patch b/packages/glibc/2.14.1/0018-assume-pipe2.patch deleted file mode 100644 index 0074ea65..00000000 --- a/packages/glibc/2.14.1/0018-assume-pipe2.patch +++ /dev/null @@ -1,43 +0,0 @@ -http://bugs.gentoo.org/250342 -http://sources.redhat.com/bugzilla/show_bug.cgi?id=9685 - -we cant assume sock_cloexec and pipe2 are bound together as the former defines -are found in glibc only while the latter are a combo of kernel headers and -glibc. so if we do a runtime detection of SOCK_CLOEXEC, but pipe2() is a stub -inside of glibc, we hit a problem. for example: - -#include <grp.h> -#include <stdio.h> -main() -{ - getgrnam("portage"); - if (!popen("ls", "r")) - perror("popen()"); -} - -getgrnam() will detect that the kernel supports SOCK_CLOEXEC and then set both -__have_sock_cloexec and __have_pipe2 to true. but if glibc was built against -older kernel headers where __NR_pipe2 does not exist, glibc will have a ENOSYS -stub for it. so popen() will always fail as glibc assumes pipe2() works. - ---- - socket/have_sock_cloexec.c | 5 +++++ - 1 file changed, 5 insertions(+) - ---- a/socket/have_sock_cloexec.c -+++ b/socket/have_sock_cloexec.c -@@ -16,9 +16,14 @@ - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -+#include <fcntl.h> - #include <sys/socket.h> - #include <kernel-features.h> - - #if defined SOCK_CLOEXEC && !defined __ASSUME_SOCK_CLOEXEC - int __have_sock_cloexec; - #endif -+ -+#if defined O_CLOEXEC && !defined __ASSUME_PIPE2 -+int __have_pipe2; -+#endif |