This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Fix client host name lookup when processing pg_hba.conf entries that This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Fix client host name lookup when processing pg_hba.conf entries that This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Fix client host name lookup when processing pg_hba.conf entries that

This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Fix client host name lookup when processing pg_hba.conf entries that This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Fix client host name lookup when processing pg_hba.conf entries that handling of SIGFPE when PL/Perl is in use (Andres Freund) Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Re- store the normal Postgres signal handler after initializing

This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Fix client host name lookup when processing pg_hba.conf entries that handling of SIGFPE when PL/Perl is in use (Andres Freund) Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Re- store the normal Postgres signal handler after initializing This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Secure Unix-domain sockets of temporary postmasters started during

the restore_command is created and dies for each file, so there is no daemon or server process, and sig- nals or a signal handler cannot be used. Therefore, the restore_command is not suitable to trigger Signature 11-byte sequence PGCOPY\n\377\r\n\0 — note that the zero byte is a required part of the sig- nature. (The signature is designed to allow easy identification of files that have been munged by use (Andres Freund) 2020 Appendix E. Release Notes Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Restore the normal Postgres signal handler after initializing

the restore_command is created and dies for each file, so there is no daemon or server process, and sig- nals or a signal handler cannot be used. Therefore, the restore_command is not suitable to trigger Signature 11-byte sequence PGCOPY\n\377\r\n\0 — note that the zero byte is a required part of the sig- nature. (The signature is designed to allow easy identification of files that have been munged by handling of SIGFPE when PL/Perl is in use (Andres Freund) Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Restore the normal Postgres signal handler after initializing

the restore_command is created and dies for each file, so there is no daemon or server process, and sig- nals or a signal handler cannot be used. Therefore, the restore_command is not suitable to trigger Signature 11-byte sequence PGCOPY\n\377\r\n\0 — note that the zero byte is a required part of the sig- nature. (The signature is designed to allow easy identification of files that have been munged by handling of SIGFPE when PL/Perl is in use (Andres Freund) Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Restore the normal Postgres signal handler after initializing

the restore_command is created and dies for each file, so there is no daemon or server process, and sig- nals or a signal handler cannot be used. Therefore, the restore_command is not suitable to trigger Signature 11-byte sequence PGCOPY\n\377\r\n\0 — note that the zero byte is a required part of the sig- nature. (The signature is designed to allow easy identification of files that have been munged by handling of SIGFPE when PL/Perl is in use (Andres Freund) Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Restore the normal Postgres signal handler after initializing

This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Secure Unix-domain sockets of temporary postmasters started during handling of SIGFPE when PL/Perl is in use (Andres Freund) Perl resets the process’s SIGFPE handler to SIG_IGN, which could result in crashes later on. Re- store the normal Postgres signal handler after initializing This ensures that the postmaster will properly clean up after itself if, for example, it receives SIG- INT while still starting up. • Secure Unix-domain sockets of temporary postmasters started during

role is a member of the role whose backend is being canceled or the calling role has been granted pg_sig- 362 Functions and Operators Name Return Type Description nal_backend, however only superusers can Administrator's Overview If hot_standby is on in postgresql.conf (the default value) and there is a standby.sig- nal file present, the server will run in Hot Standby mode. However, it may take some time for Hot includes only input arguments (including INOUT and VARIADIC arguments), and thus represents the call sig- nature of the function. proallargtypes oid[] pg_type.oid An array with the data types of the function

Signature 11-byte sequence PGCOPY\n\377\r\n\0 — note that the zero byte is a required part of the sig- nature. (The signature is designed to allow easy identification of files that have been munged by 1987. M. Stonebraker, M. Hearst, and S. Potamianos, “A commentary on the POSTGRES rules system7”, SIG- MOD Record 18(3), Sept. 1989. M. Stonebraker, “The case for partial indexes8”, SIGMOD Record 18(4)