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Remove configure probes for poll and poll.h.

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poll() and <poll.h> are in SUSv2 and all targeted Unix systems have
them.

Retain HAVE_POLL and HAVE_POLL_H macros for readability.  There's an
error in latch.c that is now unreachable (since we always have one of
WIN32 or HAVE_POLL defined), but that falls out of a decision to keep
using defined(HAVE_POLL) instead of !defined(WIN32) to guard the poll()
code.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://postgr.es/m/CA+hUKGJ3LHeP9w5Fgzdr4G8AnEtJ=z=p6hGDEm4qYGEUX5B6fQ@mail.gmail.com
This commit is contained in:
Thomas Munro
2022-08-05 09:37:53 +12:00
parent 5963c9a154
commit b79ec732d2
5 changed files with 4 additions and 12 deletions
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6
src/include/pg_config.h.in
View File

@@ -376,12 +376,6 @@
/* Define to 1 if you have the <pam/pam_appl.h> header file. */
#undef HAVE_PAM_PAM_APPL_H
/* Define to 1 if you have the `poll' function. */
#undef HAVE_POLL
/* Define to 1 if you have the <poll.h> header file. */
#undef HAVE_POLL_H
/* Define to 1 if you have the `posix_fadvise' function. */
#undef HAVE_POSIX_FADVISE

2
src/include/port.h
View File

@@ -532,6 +532,8 @@ extern bool wait_result_is_any_signal(int exit_status, bool include_command_not_
*/
#ifndef WIN32
#define HAVE_GETRLIMIT 1
#define HAVE_POLL 1
#define HAVE_POLL_H 1
#define HAVE_READLINK 1
#define HAVE_SETSID 1
#define HAVE_SHM_OPEN 1

2
src/tools/msvc/Solution.pm
View File

@@ -320,8 +320,6 @@ sub GenerateFiles
HAVE_OPENSSL_INIT_SSL => undef,
HAVE_OSSP_UUID_H => undef,
HAVE_PAM_PAM_APPL_H => undef,
HAVE_POLL => undef,
HAVE_POLL_H => undef,
HAVE_POSIX_FADVISE => undef,
HAVE_POSIX_FALLOCATE => undef,
HAVE_PPC_LWARX_MUTEX_HINT => undef,