Function CreateSocketLockFile

src/backend/utils/init/miscinit.c:1400–1408

* Create a lockfile for the specified Unix socket file. */

 * Create a lockfile for the specified Unix socket file.
 */
void
CreateSocketLockFile(const char *socketfile, bool amPostmaster,
					 const char *socketDir)
{
	char		lockfile[MAXPGPATH];

	snprintf(lockfile, sizeof(lockfile), "%s.lock", socketfile);
	CreateLockFile(lockfile, amPostmaster, socketDir, false, socketfile);
}

/*
 * TouchSocketLockFiles -- mark socket lock files as recently accessed