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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2015-03-22 14:47:29 +0100
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2015-03-22 14:49:27 +0100
commit09ff424905d5de0b2a21a3960d9756a90b07ba26 (patch)
treeb927d20d8fa53c98cc5b08b6826096d43c387d28 /libc/sysdeps/linux/common/bits/kernel-features.h
parent534f44d53146457b3ca686c47efb9207543b88e1 (diff)
libc: add getrandom(2)
Introduce a <sys/random.h> for it. /* FIXME: aren't there a couple of __restrict and const missing ? */ extern int getrandom(void *__buf, size_t count, unsigned int flags) __nonnull ((1)) __wur; Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libc/sysdeps/linux/common/bits/kernel-features.h')
-rw-r--r--libc/sysdeps/linux/common/bits/kernel-features.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h
index 6184c2b9d..708bb4906 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -507,3 +507,8 @@
#if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100
# define __ASSUME_GETCPU_SYSCALL 1
#endif
+
+/* getrandom syscall (widely) appeared around 4.0.0 */
+#if __LINUX_KERNEL_VERSION >= 0x040000
+# define __ASSUME_GETRANDOM_SYSCALL 1
+#endif