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Commonalize process startup code.

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Move common code, that was duplicated in every postmaster child/every
standalone process, into two functions in miscinit.c.  Not only does
that already result in a fair amount of net code reduction but it also
makes it much easier to remove more duplication in the future. The
prime motivation wasn't code deduplication though, but easier addition
of new common code.
This commit is contained in:
Andres Freund
2015-01-13 13:12:37 +01:00
parent 2be82dcf17
commit 31c453165b
15 changed files with 96 additions and 274 deletions
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22
src/backend/postmaster/syslogger.c
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@ -164,11 +164,6 @@ SysLoggerMain(int argc, char *argv[])
int currentLogRotationAge;
pg_time_t now;
IsUnderPostmaster = true; /* we are a postmaster subprocess now */
MyProcPid = getpid(); /* reset MyProcPid */
MyStartTime = time(NULL); /* set our start time in case we call elog */
now = MyStartTime;
#ifdef EXEC_BACKEND
@ -236,18 +231,8 @@ SysLoggerMain(int argc, char *argv[])
syslogPipe[1] = 0;
#endif
/*
* If possible, make this process a group leader, so that the postmaster
* can signal any child processes too. (syslogger probably never has any
* child processes, but for consistency we make all postmaster child
* processes do this.)
*/
#ifdef HAVE_SETSID
if (setsid() < 0)
elog(FATAL, "setsid() failed: %m");
#endif
InitializeLatchSupport(); /* needed for latch waits */
InitializeLatchSupport(); /* needed for latch waits */
/* Initialize private latch for use by signal handlers */
InitLatch(&sysLoggerLatch);
@ -609,12 +594,11 @@ SysLogger_Start(void)
#ifndef EXEC_BACKEND
case 0:
/* in postmaster child ... */
InitPostmasterChild();
/* Close the postmaster's sockets */
ClosePostmasterPorts(true);
/* Lose the postmaster's on-exit routines */
on_exit_reset();
/* Drop our connection to postmaster's shared memory, as well */
dsm_detach_all();
PGSharedMemoryDetach();