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postgresql/src/include/postmaster/auxprocess.h

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process startup: Move AuxiliaryProcessMain into its own file. After the preceding commits the auxprocess code is independent from bootstrap.c - so a dedicated file seems less confusing. Author: Andres Freund <andres@anarazel.de> Reviewed-By: Kyotaro Horiguchi <horikyota.ntt@gmail.com> Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210802164124.ufo5buo4apl6yuvs@alap3.anarazel.de
2021-08-05 21:09:19 +02:00
/*-------------------------------------------------------------------------
* auxprocess.h
* include file for functions related to auxiliary processes.
*
*
Update copyright for 2024 Reported-by: Michael Paquier Discussion: https://postgr.es/m/ZZKTDPxBBMt3C0J9@paquier.xyz Backpatch-through: 12
2024-01-04 02:49:05 +01:00
* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
process startup: Move AuxiliaryProcessMain into its own file. After the preceding commits the auxprocess code is independent from bootstrap.c - so a dedicated file seems less confusing. Author: Andres Freund <andres@anarazel.de> Reviewed-By: Kyotaro Horiguchi <horikyota.ntt@gmail.com> Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210802164124.ufo5buo4apl6yuvs@alap3.anarazel.de
2021-08-05 21:09:19 +02:00
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* src/include/postmaster/auxprocess.h
*-------------------------------------------------------------------------
*/
#ifndef AUXPROCESS_H
#define AUXPROCESS_H
Refactor postmaster child process launching Introduce new postmaster_child_launch() function that deals with the differences in EXEC_BACKEND mode. Refactor the mechanism of passing information from the parent to child process. Instead of using different command-line arguments when launching the child process in EXEC_BACKEND mode, pass a variable-length blob of startup data along with all the global variables. The contents of that blob depend on the kind of child process being launched. In !EXEC_BACKEND mode, we use the same blob, but it's simply inherited from the parent to child process. Reviewed-by: Tristan Partin, Andres Freund Discussion: https://www.postgresql.org/message-id/7a59b073-5b5b-151e-7ed3-8b01ff7ce9ef@iki.fi
2024-03-18 10:35:08 +01:00
extern void AuxiliaryProcessMainCommon(void);
process startup: Move AuxiliaryProcessMain into its own file. After the preceding commits the auxprocess code is independent from bootstrap.c - so a dedicated file seems less confusing. Author: Andres Freund <andres@anarazel.de> Reviewed-By: Kyotaro Horiguchi <horikyota.ntt@gmail.com> Reviewed-By: Robert Haas <robertmhaas@gmail.com> Discussion: https://postgr.es/m/20210802164124.ufo5buo4apl6yuvs@alap3.anarazel.de
2021-08-05 21:09:19 +02:00
#endif /* AUXPROCESS_H */