This is an automated email from the git hooks/post-receive script. guillem pushed a commit to branch main in repository dpkg.
View the commit online: https://git.dpkg.org/cgit/dpkg/dpkg.git/commit/?id=6c304121b82d43d2e9968fa6cc59c2b2a8563e2f commit 6c304121b82d43d2e9968fa6cc59c2b2a8563e2f Author: Guillem Jover <[email protected]> AuthorDate: Fri Sep 13 06:15:44 2024 +0200 s-s-d: Try to use close_range() if present to implement closefrom() If the system has close_range() use it, and fallback to the open coded closing, in case the function was present at build time but not implemented at run-time, or it failed for whatever reason. Proposed-by: Mix <[email protected]> Changelog: internal --- configure.ac | 1 + utils/start-stop-daemon.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/configure.ac b/configure.ac index 761663b17..987f9efd4 100644 --- a/configure.ac +++ b/configure.ac @@ -214,6 +214,7 @@ AC_CHECK_FUNCS([\ setsid \ getdtablesize \ closefrom \ + close_range \ getprocs64 \ getprogname \ getexecname \ diff --git a/utils/start-stop-daemon.c b/utils/start-stop-daemon.c index 9e18ca7ad..d11ad2930 100644 --- a/utils/start-stop-daemon.c +++ b/utils/start-stop-daemon.c @@ -513,6 +513,11 @@ closefrom(int lowfd) long maxfd = get_open_fd_max(); int i; +#ifdef HAVE_CLOSE_RANGE + if (close_range(lowfd, maxfd, 0) == 0) + return; +#endif + for (i = maxfd - 1; i >= lowfd; --i) close(i); } -- Dpkg.Org's dpkg
