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authorMike Frysinger <vapier@gentoo.org>2009-10-07 22:51:55 -0400
committerAustin Foxley <austinf@cetoncorp.com>2009-10-16 11:41:34 -0700
commitb64182025763b4c47eacfe59ea8c0f6c3714ae72 (patch)
tree7f9f19d84bfd0a02822fdce82f6db01b30f0250b /libc/sysdeps/linux/common/bits/kernel-features.h
parentdba14eb59fa558eee0439dde7f98c9fd49bccb4c (diff)
downloaduClibc-alpine-b64182025763b4c47eacfe59ea8c0f6c3714ae72.tar.bz2
uClibc-alpine-b64182025763b4c47eacfe59ea8c0f6c3714ae72.tar.xz
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> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc/sysdeps/linux/common/bits/kernel-features.h')
-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 1f6ca094b..923341b35 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -296,6 +296,14 @@
# define __ASSUME_CLONE_THREAD_FLAGS 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