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Final rearrangement of main postgresql child process (ie.

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BackendFork/SSDataBase/pgstat) startup, to allow fork/exec calls to
closely mimic (the soon to be provided) Win32 CreateProcess equivalent
calls.

Claudio Natoli
This commit is contained in:
Bruce Momjian
2004-01-06 23:15:22 +00:00
parent 06288d4e22
commit 488f2785d0
6 changed files with 256 additions and 162 deletions
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18
src/backend/main/main.c
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@@ -13,7 +13,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/main/main.c,v 1.69 2003/12/25 03:52:50 momjian Exp $
* $PostgreSQL: pgsql/src/backend/main/main.c,v 1.70 2004/01/06 23:15:22 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -203,9 +203,9 @@ main(int argc, char *argv[])
/*
* Now dispatch to one of PostmasterMain, PostgresMain, GucInfoMain,
* pgstat_main, pgstat_mainChild or BootstrapMain depending on the
* program name (and possibly first argument) we were called with.
* The lack of consistency here is historical.
* SubPostmasterMain, pgstat_main, pgstat_mainChild or BootstrapMain
* depending on the program name (and possibly first argument) we
* were called with. The lack of consistency here is historical.
*/
len = strlen(new_argv[0]);
@@ -223,6 +223,16 @@ main(int argc, char *argv[])
exit(BootstrapMain(argc - 1, new_argv + 1));
#ifdef EXEC_BACKEND
/*
* If the first argument is "-forkexec", then invoke SubPostmasterMain. Note
* we remove "-forkexec" from the arguments passed on to SubPostmasterMain.
*/
if (argc > 1 && strcmp(new_argv[1], "-forkexec") == 0)
{
SubPostmasterMain(argc - 2, new_argv + 2);
exit(0);
}
/*
* If the first argument is "-statBuf", then invoke pgstat_main. Note
* we remove "-statBuf" from the arguments passed on to pgstat_main.