Date: Thu, 17 Jun 2021 07:52:54 -0500
From: Justin Pryzby <pryzby@telsasoft.com>
To: Nitin Jadhav <nitinjadhavpostgres@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Robert Haas <robertmhaas@gmail.com>,
	Andres Freund <andres@anarazel.de>,
	Stephen Frost <sfrost@snowman.net>,
	Magnus Hagander <magnus@hagander.net>,
	Thomas Munro <thomas.munro@gmail.com>, pgsql-hackers@postgresql.org
Subject: Re: when the startup process doesn't (logging startup delays)
Message-ID: <20210617125254.GB31772@telsasoft.com>
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+ * Codes of the operations performed during startup process
+ */
+typedef enum StartupProcessOp
+{
+       SYNCFS_IN_PROGRESS,
+       FSYNC_IN_PROGRESS,
+       RECOVERY_IN_PROGRESS,
+       RESET_UNLOGGED_REL_IN_PROGRESS,
+       DUMMY,
+       SYNCFS_END,
+       FSYNC_END,
+       RECOVERY_END,
+       RESET_UNLOGGED_REL_END
+} StartupProcessOp;

What is DUMMY about ?  If you just want to separate the "start" from "end",
you could write:

/* codes for start of operations */
FSYNC_IN_PROGRESS
SYNCFS_IN_PROGRESS
...
/* codes for end of operations */
FSYNC_END
SYNCFS_END
...

Or group them together like:

FSYNC_IN_PROGRESS,
FSYNC_END,
SYNCFS_IN_PROGRESS, 
SYNCFS_END,
RECOVERY_IN_PROGRESS,
RECOVERY_END,
RESET_UNLOGGED_REL_IN_PROGRESS,
RESET_UNLOGGED_REL_END,

-- 
Justin