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Remove configure probe and related tests for getrlimit.

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getrlimit() is in SUSv2 and all targeted systems have it.

Windows doesn't have it.  We could just use #ifndef WIN32, but for a
little more explanation about why we're making things conditional, let's
retain the HAVE_GETRLIMIT macro.  It's defined in port.h for Unix systems.

On systems that have it, it's not necessary to test for RLIMIT_CORE,
RLIMIT_STACK or RLIMIT_NOFILE macros, since SUSv2 requires those and all
targeted systems have them.  Also remove references to a pre-historic
alternative spelling of RLIMIT_NOFILE, and coding that seemed to believe
that Cygwin didn't have it.

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 09:18:34 +12:00
parent ca1e85513e
commit bdb657edd6
10 changed files with 17 additions and 26 deletions
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8
src/bin/pg_ctl/pg_ctl.c
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@@ -160,7 +160,7 @@ static bool wait_for_postmaster_stop(void);
static bool wait_for_postmaster_promote(void);
static bool postmaster_is_alive(pid_t pid);
#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_CORE)
#if defined(HAVE_GETRLIMIT)
static void unlimit_core_size(void);
#endif
@@ -776,7 +776,7 @@ wait_for_postmaster_promote(void)
}
#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_CORE)
#if defined(HAVE_GETRLIMIT)
static void
unlimit_core_size(void)
{
@@ -949,7 +949,7 @@ do_start(void)
if (exec_path == NULL)
exec_path = find_other_exec_or_die(argv0, "postgres", PG_BACKEND_VERSIONSTR);
#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_CORE)
#if defined(HAVE_GETRLIMIT)
if (allow_core_files)
unlimit_core_size();
#endif
@@ -2069,7 +2069,7 @@ do_help(void)
printf(_("If the -D option is omitted, the environment variable PGDATA is used.\n"));
printf(_("\nOptions for start or restart:\n"));
#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_CORE)
#if defined(HAVE_GETRLIMIT)
printf(_(" -c, --core-files allow postgres to produce core files\n"));
#else
printf(_(" -c, --core-files not applicable on this platform\n"));