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postgres/src/include/utils/wait_classes.h

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Remove circular #include's between wait_event.h and wait_event_types.h wait_event_types.h is generated by the code, and included wait_event.h. wait_event.h did the opposite move, including wait_event_types.h, causing a circular dependency between both. wait_event_types.h only needs to now about the wait event classes, so this information is moved into its own file, and wait_event_types.h uses this new header so as it does not depend anymore on wait_event.h. Note that such errors can be found with clang-tidy, with commands like this one: clang-tidy source_file.c --checks=misc-header-include-cycle -- \ -I/install/path/include/ -I/install/path/include/server/ Issue introduced by fa88928470b5. Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/350192.1745768770@sss.pgh.pa.us
8 months ago
/*-------------------------------------------------------------------------
* wait_classes.h
* Definitions related to wait event classes
*
* Copyright (c) 2001-2025, PostgreSQL Global Development Group
*
* src/include/utils/wait_classes.h
* ----------
*/
#ifndef WAIT_CLASSES_H
#define WAIT_CLASSES_H
/* ----------
* Wait Classes
* ----------
*/
#define PG_WAIT_LWLOCK 0x01000000U
#define PG_WAIT_LOCK 0x03000000U
Rename BUFFERPIN wait event class to BUFFER In an upcoming patch more wait events will be added to the wait event class (for buffer locking), making the current name too specific. Alternatively we could introduce a dedicated wait event class for those, but it seems somewhat confusing to have a BUFFERPIN and a BUFFER wait event class. Reviewed-by: Melanie Plageman <melanieplageman@gmail.com> Discussion: https://postgr.es/m/fvfmkr5kk4nyex56ejgxj3uzi63isfxovp2biecb4bspbjrze7@az2pljabhnff
2 weeks ago
#define PG_WAIT_BUFFER 0x04000000U
Remove circular #include's between wait_event.h and wait_event_types.h wait_event_types.h is generated by the code, and included wait_event.h. wait_event.h did the opposite move, including wait_event_types.h, causing a circular dependency between both. wait_event_types.h only needs to now about the wait event classes, so this information is moved into its own file, and wait_event_types.h uses this new header so as it does not depend anymore on wait_event.h. Note that such errors can be found with clang-tidy, with commands like this one: clang-tidy source_file.c --checks=misc-header-include-cycle -- \ -I/install/path/include/ -I/install/path/include/server/ Issue introduced by fa88928470b5. Author: Bertrand Drouvot <bertranddrouvot.pg@gmail.com> Discussion: https://postgr.es/m/350192.1745768770@sss.pgh.pa.us
8 months ago
#define PG_WAIT_ACTIVITY 0x05000000U
#define PG_WAIT_CLIENT 0x06000000U
#define PG_WAIT_EXTENSION 0x07000000U
#define PG_WAIT_IPC 0x08000000U
#define PG_WAIT_TIMEOUT 0x09000000U
#define PG_WAIT_IO 0x0A000000U
#define PG_WAIT_INJECTIONPOINT 0x0B000000U
#endif /* WAIT_CLASSES_H */