From 990fa9d50c060b3acf2bcf1f1e0578b6e975310b Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 14 Aug 2017 13:04:46 -0700 Subject: open: support O_CLOEXEC * NEWS, doc/posix-functions/open.texi: * doc/posix-functions/openat.texi: Document this. * lib/fcntl.in.h (O_CLOEXEC): Default to a nonzero value. (GNULIB_defined_O_CLOEXEC): New symbol. * lib/open.c: Include cloexec.h. (open): Support O_CLOEXEC. * lib/openat.c: Include cloexec.h. (rpl_openat): Support O_CLOEXEC. * lib/popen-safer.c: Do not include cloexec.h. (open_noinherit): Remove. (popen_safer): Use O_CLOEXEC instead of set_cloexec_flag. * lib/save-cwd.c: Do not include cloexec.h. (save_cwd): Use O_CLOEXEC instead of set_cloexec_flag. * m4/open-cloexec.m4: New file. * m4/open.m4 (gl_FUNC_OPEN): Require gl_PREPROC_O_CLOEXEC. Replace 'open' if O_CLOEXEC is not present. * m4/openat.m4 (gl_FUNC_OPENAT): Require gl_PREPROC_O_CLOEXEC. Replace 'openat' if O_CLOEXEC is not present. * modules/freopen (Depends-on): Depend on 'open' if replacing freopen. * modules/open (Files): Add m4/open-cloexec.m4. (Depends-on): Depend on cloexec if replacing 'open'. * modules/openat (Files): Add m4/open-cloexec.m4. (Depends-on): Depend on cloexec if replacing openat. * modules/popen-safer (Depends-on): Remove cloexec. * modules/save-cwd (Depends-on): Remove cloexec, and add fd-safer-flag and 'open'. --- modules/save-cwd | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'modules/save-cwd') diff --git a/modules/save-cwd b/modules/save-cwd index 876826b0bb..52bf3311df 100644 --- a/modules/save-cwd +++ b/modules/save-cwd @@ -8,9 +8,10 @@ m4/save-cwd.m4 Depends-on: chdir-long -cloexec -getcwd-lgpl fchdir +fd-safer-flag +getcwd-lgpl +open stdbool unistd-safer -- cgit v1.2.1