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authorMike Frysinger <vapier@gentoo.org>2009-10-07 22:51:55 -0400
committerMike Frysinger <vapier@gentoo.org>2009-10-07 22:53:39 -0400
commitb8f1f91cc6d7b579fdb2370ab046565f9930aa09 (patch)
treef4bed1003ca36419f344d5540fa1cd32da220518 /libc/sysdeps/linux/common/bits
parent49b5ce384740ebabfc8e38dff6e37913e224dd29 (diff)
clean up O_CLOEXEC handling
Drop the "#ifndef O_CLOEXEC" cruft, enable O_CLOEXEC in most fcntl.h headers, and import __ASSUME_O_CLOEXEC from glibc. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'libc/sysdeps/linux/common/bits')
-rw-r--r--libc/sysdeps/linux/common/bits/kernel-features.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h
index 5216d7bed..88297349a 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -70,6 +70,14 @@
# define __ASSUME_GETDENTS32_D_TYPE 1
#endif
+/* Support for various CLOEXEC and NONBLOCK flags was added for x86,
+ x86-64, PPC, IA-64, SPARC< and S390 in 2.6.23. */
+#if __LINUX_KERNEL_VERSION >= 0x020617 \
+ && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \
+ || defined __ia64__ || defined __sparc__ || defined __s390__)
+# define __ASSUME_O_CLOEXEC 1
+#endif
+
/* These features were surely available with 2.4.12. */
#if __LINUX_KERNEL_VERSION >= 132108 && defined __mc68000__
# define __ASSUME_MMAP2_SYSCALL 1