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2487d872e0
postgresql/src/backend/commands
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Tom Lane 2487d872e0 Create a multiplexing structure for signals to Postgres child processes. 
This patch gets us out from under the Unix limitation of two user-defined
signal types.  We already had done something similar for signals directed to
the postmaster process; this adds multiplexing for signals directed to
backends and auxiliary processes (so long as they're connected to shared
memory).

As proof of concept, replace the former usage of SIGUSR1 and SIGUSR2
for backends with use of the multiplexing mechanism.  There are still some
hard-wired definitions of SIGUSR1 and SIGUSR2 for other process types,
but getting rid of those doesn't seem interesting at the moment.

Fujii Masao
2009-07-31 20:26:23 +00:00
..
aggregatecmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
alter.c Update copyright for 2009. 2009-01-01 17:24:05 +00:00
analyze.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
async.c Create a multiplexing structure for signals to Postgres child processes. 2009-07-31 20:26:23 +00:00
cluster.c Revisit AlterTableCreateToastTable's API once again, hoping to make it what 2009-06-11 20:46:11 +00:00
comment.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
constraint.c Support deferrable uniqueness constraints. 2009-07-29 20:56:21 +00:00
conversioncmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
copy.c Support deferrable uniqueness constraints. 2009-07-29 20:56:21 +00:00
dbcommands.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
define.c Extend EXPLAIN to allow generic options to be specified. 2009-07-26 23:34:18 +00:00
discard.c Update copyright for 2009. 2009-01-01 17:24:05 +00:00
explain.c Extend EXPLAIN to allow generic options to be specified. 2009-07-26 23:34:18 +00:00
foreigncmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
functioncmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
indexcmds.c Support deferrable uniqueness constraints. 2009-07-29 20:56:21 +00:00
lockcmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
Makefile Support deferrable uniqueness constraints. 2009-07-29 20:56:21 +00:00
opclasscmds.c Update copyright for 2009. 2009-01-01 17:24:05 +00:00
operatorcmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
portalcmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
prepare.c Extend EXPLAIN to allow generic options to be specified. 2009-07-26 23:34:18 +00:00
proclang.c Move some declarations in the raw-parser header files to create a clearer 2009-07-12 17:12:34 +00:00
schemacmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
sequence.c Make backend header files C++ safe 2009-07-16 06:33:46 +00:00
tablecmds.c Merge the Constraint and FkConstraint node types into a single type. 2009-07-30 02:45:38 +00:00
tablespace.c Support column-level privileges, as required by SQL standard. 2009-01-22 20:16:10 +00:00
trigger.c Merge the Constraint and FkConstraint node types into a single type. 2009-07-30 02:45:38 +00:00
tsearchcmds.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
typecmds.c Merge the Constraint and FkConstraint node types into a single type. 2009-07-30 02:45:38 +00:00
user.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
vacuum.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
vacuumlazy.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
variable.c 8.4 pgindent run, with new combined Linux/FreeBSD/MinGW typedef list 2009-06-11 14:49:15 +00:00
view.c Make backend header files C++ safe 2009-07-16 06:33:46 +00:00