From f5817595a7f194d25bc9be5b035eb1f7f60cd1fa Mon Sep 17 00:00:00 2001 From: Peter Eisentraut Date: Wed, 25 Mar 2020 14:23:25 +0100 Subject: Define EXEC_BACKEND in pg_config_manual.h It was for unclear reasons defined in a separate location, which makes it more cumbersome to override for testing, and it also did not have any prominent documentation. Move to pg_config_manual.h, where similar things are already collected. The previous definition on the command-line had the effect of defining it to the value 1, but now that we don't need that anymore we just define it to empty, to simplify manual editing a bit. Reviewed-by: Tom Lane Discussion: https://www.postgresql.org/message-id/flat/b7053ba8-b008-5335-31de-2fe4fe41ef0f%402ndquadrant.com --- src/include/pg_config_manual.h | 13 +++++++++++++ src/tools/msvc/MSBuildProject.pm | 2 +- 2 files changed, 14 insertions(+), 1 deletion(-) (limited to 'src') diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h index d74a8dd8083..b7410ff51e5 100644 --- a/src/include/pg_config_manual.h +++ b/src/include/pg_config_manual.h @@ -122,6 +122,19 @@ */ #define ALIGNOF_BUFFER 32 +/* + * If EXEC_BACKEND is defined, the postmaster uses an alternative method for + * starting subprocesses: Instead of simply using fork(), as is standard on + * Unix platforms, it uses fork()+exec() or something equivalent on Windows, + * as well as lots of extra code to bring the required global state to those + * new processes. This must be enabled on Windows (because there is no + * fork()). On other platforms, it's only useful for verifying those + * otherwise Windows-specific code paths. + */ +#if defined(WIN32) && !defined(__CYGWIN__) +#define EXEC_BACKEND +#endif + /* * Disable UNIX sockets for certain operating systems. */ diff --git a/src/tools/msvc/MSBuildProject.pm b/src/tools/msvc/MSBuildProject.pm index 823357c023f..ebb169e2012 100644 --- a/src/tools/msvc/MSBuildProject.pm +++ b/src/tools/msvc/MSBuildProject.pm @@ -320,7 +320,7 @@ sub WriteItemDefinitionGroup $p->{opt} $self->{prefixincludes}src/include;src/include/port/win32;src/include/port/win32_msvc;$includes\%(AdditionalIncludeDirectories) - WIN32;_WINDOWS;__WINDOWS__;__WIN32__;EXEC_BACKEND;WIN32_STACK_RLIMIT=4194304;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE$self->{defines}$p->{defs}\%(PreprocessorDefinitions) + WIN32;_WINDOWS;__WINDOWS__;__WIN32__;WIN32_STACK_RLIMIT=4194304;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_DEPRECATE$self->{defines}$p->{defs}\%(PreprocessorDefinitions) $p->{strpool} $p->{runtime} $self->{disablewarnings};\%(DisableSpecificWarnings) -- cgit v1.2.3