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sysdeps: Include <linux/close_range.h> if available

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This lets us use CLOSE_RANGE_CLOEXEC whenever the kernel headers
support it, even if glibc doesn't include this header via unistd.h yet.

Signed-off-by: Simon McVittie <smcv@collabora.com>
This commit is contained in:
Simon McVittie 2022-03-02 13:08:46 +00:00
parent ee694ade61
commit d307616177
3 changed files with 5 additions and 0 deletions
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1
cmake/ConfigureChecks.cmake
View file

@ -17,6 +17,7 @@ check_include_file(expat.h HAVE_EXPAT_H)
check_include_file(grp.h HAVE_GRP_H) # dbus-sysdeps-util-win.c
check_include_file(inttypes.h HAVE_INTTYPES_H) # dbus-pipe.h
check_include_file(io.h HAVE_IO_H) # internal
check_include_file(linux/close_range.h HAVE_LINUX_CLOSE_RANGE_H)
check_include_file(locale.h HAVE_LOCALE_H)
check_include_file(memory.h HAVE_MEMORY_H)
check_include_file(signal.h HAVE_SIGNAL_H)

1
configure.ac
View file

@ -420,6 +420,7 @@ byteswap.h
crt_externs.h
dirent.h
errno.h
linux/close_range.h
locale.h
signal.h
stdint.h

3
dbus/dbus-sysdeps-unix.c
View file

@ -63,6 +63,9 @@
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_LINUX_CLOSE_RANGE_H
#include <linux/close_range.h>
#endif
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif