diff options
| author | Thomas Munro | 2021-01-11 01:37:13 +0000 |
|---|---|---|
| committer | Thomas Munro | 2021-01-11 02:24:38 +0000 |
| commit | 13a021f3e8c99915b3cc0cb2021a948d9c71ff32 (patch) | |
| tree | f532b74cfecef4bb150d2853509f105c3fe05e21 /configure.ac | |
| parent | 01334c92fa09dc496a444a4f206854ef37247258 (diff) | |
Provide pg_preadv() and pg_pwritev().
Provide synchronous vectored file I/O routines. These map to preadv()
and pwritev(), with fallback implementations for systems that don't have
them. Also provide a wrapper pg_pwritev_with_retry() that automatically
retries on short writes.
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CA%2BhUKGJA%2Bu-220VONeoREBXJ9P3S94Y7J%2BkqCnTYmahvZJwM%3Dg%40mail.gmail.com
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 054839f0f2..838d47dc22 100644 --- a/configure.ac +++ b/configure.ac @@ -1331,6 +1331,7 @@ AC_CHECK_HEADERS(m4_normalize([ sys/shm.h sys/sockio.h sys/tas.h + sys/uio.h sys/un.h termios.h ucred.h @@ -1660,9 +1661,14 @@ AC_CHECK_FUNCS(m4_normalize([ poll posix_fallocate ppoll + pread + preadv pstat pthread_is_threaded_np + pwrite + pwritev readlink + readv setproctitle setproctitle_fast setsid @@ -1673,6 +1679,7 @@ AC_CHECK_FUNCS(m4_normalize([ sync_file_range uselocale wcstombs_l + writev ])) # These typically are compiler builtins, for which AC_CHECK_FUNCS fails. @@ -1733,8 +1740,6 @@ AC_REPLACE_FUNCS(m4_normalize([ inet_aton link mkdtemp - pread - pwrite random srandom strlcat |