[gentoo-commits] proj/sandbox:master commit in: libsandbox/

[Mike Gilbert]

commit:     c4ab05df4bc28a42d6ecb0f1e6026d8854a7b76c
Author:     Mike Gilbert <floppym <AT> gentoo <DOT> org>
AuthorDate: Mon Mar 10 01:09:12 2025 +0000
Commit:     Mike Gilbert <floppym <AT> gentoo <DOT> org>
CommitDate: Mon Mar 10 01:09:12 2025 +0000
URL:        https://gitweb.gentoo.org/proj/sandbox.git/commit/?id=c4ab05df

libsandbox: try close_range if closefrom is unavailable

Signed-off-by: Mike Gilbert <floppym <AT> gentoo.org>

 libsandbox/trace.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libsandbox/trace.c b/libsandbox/trace.c
index e685ea4..4f8ea61 100644
--- a/libsandbox/trace.c
+++ b/libsandbox/trace.c
@@ -529,6 +529,10 @@ static void close_all_fds(void)
 #ifdef HAVE_CLOSEFROM
        closefrom(0);
 #else
+#ifdef SYS_close_range
+       if (0 == syscall(SYS_close_range, 0U, ~0U, 0))
+               return;
+#endif
        DIR *dirp;
        struct dirent *de;
        int dfd, fd;