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Using getrandom() libc interface, SYS_getrandom fixes.

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The interface is available since Glibc 2.25, and FreeBSD 12.0.
This commit is contained in:
Sergey Kandaurov
2018-05-24 20:35:47 +03:00
parent 3b7238996a
commit a9ea218e7e
3 changed files with 42 additions and 10 deletions
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34
auto/unix
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@@ -3,25 +3,51 @@
# Copyright (C) NGINX, Inc.
# Linux 3.17 getrandom().
# getrandom().
nxt_feature="getrandom()"
nxt_feature_name=NXT_HAVE_GETRANDOM
nxt_feature_run=
nxt_feature_run=yes
nxt_feature_incs=
nxt_feature_libs=
nxt_feature_test="#include <linux/random.h>
nxt_feature_test="#include <unistd.h>
#include <sys/random.h>
int main() {
char buf[4];
(void) getrandom(buf, 4, 0);
if (getrandom(buf, 4, 0) < 0) {
return 1;
}
return 0;
}"
. auto/feature
if [ $nxt_found = no ]; then
# Linux 3.17 SYS_getrandom.
nxt_feature="SYS_getrandom in Linux"
nxt_feature_name=NXT_HAVE_LINUX_SYS_GETRANDOM
nxt_feature_test="#include <unistd.h>
#include <sys/syscall.h>
#include <linux/random.h>
int main() {
char buf[4];
if (syscall(SYS_getrandom, buf, 4, 0) < 0) {
return 1;
}
return 0;
}"
. auto/feature
fi
nxt_feature="ucontext"
nxt_feature_name=NXT_HAVE_UCONTEXT
nxt_feature_run=