summaryrefslogtreecommitdiff
path: root/posix/unistd.h
diff options
context:
space:
mode:
Diffstat (limited to 'posix/unistd.h')
-rw-r--r--posix/unistd.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/posix/unistd.h b/posix/unistd.h
index 1247728121..424cedd2ec 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -776,6 +776,14 @@ extern int lockf __P ((int __fd, int __cmd, __off_t __len));
while (__result == -1L && errno == EINTR); \
__result; })) \
+
+/* This variable is set nonzero at startup if the process's effective IDs
+ differ from its real IDs, or it is otherwise indicated that extra
+ security should be used. When this is set the dynamic linker ignores
+ the various environment variables that normally affect it. */
+
+extern int __libc_enable_secure;
+
#endif
#ifdef __USE_POSIX