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Remove configure probe for shm_open.
Thu, 4 Aug 2022 21:19:36 +0000 (09:19 +1200)
Thu, 4 Aug 2022 21:19:36 +0000 (09:19 +1200)
shm_open() is in SUSv2 and all targeted Unix systems have it.

We retain a HAVE_SHM_OPEN macro, because it's clearer to readers than
something like !defined(WIN32).

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


diff --git a/configure b/configure
index 691cdd9d616d47518813ae4d83dfdf66e3945f2c..8cbd03fe0addb0ed2080775bca999ba173a0ebd3 100755 (executable)
--- a/configure
+++ b/configure
@@ -16039,7 +16039,7 @@ fi
LIBS_including_readline="$LIBS"
LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
-for ac_func in backtrace_symbols clock_gettime copyfile fdatasync getifaddrs getpeerucred inet_pton kqueue mbstowcs_l memset_s poll posix_fallocate ppoll pthread_is_threaded_np readlink readv setproctitle setproctitle_fast setsid shm_open strchrnul strsignal symlink syncfs sync_file_range uselocale wcstombs_l writev
+for ac_func in backtrace_symbols clock_gettime copyfile fdatasync getifaddrs getpeerucred inet_pton kqueue mbstowcs_l memset_s poll posix_fallocate ppoll pthread_is_threaded_np readlink readv setproctitle setproctitle_fast setsid strchrnul strsignal symlink syncfs sync_file_range uselocale wcstombs_l writev
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
diff --git a/configure.ac b/configure.ac
index 39a55f6264dc76c849c102c3906bbf387b0173b4..9ef2a373f28db935da5b5e676fc28c117e091a49 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1810,7 +1810,6 @@ AC_CHECK_FUNCS(m4_normalize([
setproctitle
setproctitle_fast
setsid
- shm_open
strchrnul
strsignal
symlink
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index 93173d67c0baaefe2811938944477cb8a48ab3bf..5015ac6a3ed2cbf2ee1169e81e546a88b7d6eba5 100644 (file)
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -472,9 +472,6 @@
/* Define to 1 if you have the `setsid' function. */
#undef HAVE_SETSID
-/* Define to 1 if you have the `shm_open' function. */
-#undef HAVE_SHM_OPEN
-
/* Define to 1 if the system has the type `socklen_t'. */
#undef HAVE_SOCKLEN_T
diff --git a/src/include/port.h b/src/include/port.h
index 2c25498add5095893401889e9ea72efde42d2f40..a8598532c016a00faf9129372e0c65fd448a9f4b 100644 (file)
--- a/src/include/port.h
+++ b/src/include/port.h
@@ -525,6 +525,7 @@ extern bool wait_result_is_any_signal(int exit_status, bool include_command_not_
*/
#ifndef WIN32
#define HAVE_GETRLIMIT 1
+#define HAVE_SHM_OPEN 1
#endif
#endif /* PG_PORT_H */
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index c703708b50b13b7f9185fa5a5a10c5955801d37e..5499498137c10f4321f843b160cd90ea6144cd3b 100644 (file)
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -351,7 +351,6 @@ sub GenerateFiles
HAVE_SETPROCTITLE => undef,
HAVE_SETPROCTITLE_FAST => undef,
HAVE_SETSID => undef,
- HAVE_SHM_OPEN => undef,
HAVE_SOCKLEN_T => 1,
HAVE_SPINLOCKS => 1,
HAVE_STDBOOL_H => 1,
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