Thomas Munro f1bebef60e Add shared_memory_type GUC. ... Since 9.3 we have used anonymous shared mmap for our main shared memory region, except in EXEC_BACKEND builds. Provide a GUC so that users can opt for System V shared memory once again, like in 9.2 and earlier. A later patch proposes to add huge/large page support for AIX, which requires System V shared memory and provided the motivation to revive this possibility. It may also be useful on some BSDs. Author: Andres Freund (revived and documented by Thomas Munro) Discussion: https://postgr.es/m/HE1PR0202MB28126DB4E0B6621CC6A1A91286D90%40HE1PR0202MB2812.eurprd02.prod.outlook.com Discussion: https://postgr.es/m/2AE143D2-87D3-4AD1-AC78-CE2258230C05%40FreeBSD.org		2019-02-03 12:47:26 +01:00
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aix	Remove useless whitespace at end of lines	2010-11-23 22:34:55 +02:00
hpux	Redefine Datum as uintptr_t, instead of unsigned long.	2009-12-31 19:41:37 +00:00
tas	Update copyright for 2019	2019-01-02 12:44:25 -05:00
win32	Update copyright for 2019	2019-01-02 12:44:25 -05:00
.gitignore	Refactor dlopen() support	2018-09-06 11:33:04 +02:00
Makefile	Refactor dlopen() support	2018-09-06 11:33:04 +02:00
atomics.c	Update copyright for 2019	2019-01-02 12:44:25 -05:00
posix_sema.c	Update copyright for 2019	2019-01-02 12:44:25 -05:00
sysv_sema.c	Update copyright for 2019	2019-01-02 12:44:25 -05:00
sysv_shmem.c	Add shared_memory_type GUC.	2019-02-03 12:47:26 +01:00
win32_sema.c	Update copyright for 2019	2019-01-02 12:44:25 -05:00
win32_shmem.c	Update copyright for 2019	2019-01-02 12:44:25 -05:00