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Install Windows crash dump handler before all else.

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Apart from calling write_stderr() on failure, the handler depends on no
PostgreSQL facilities.  We have experienced crashes before reaching the
former call site.  Given such an early crash, this change cannot hurt
and may produce a helpful dump.  Absent an early crash, this change has
no effect.  Back-patch to 9.3 (all supported versions).

Takayuki Tsunakawa

Discussion: https://postgr.es/m/0A3221C70F24FB45833433255569204D1F80CD13@G01JPEXMBYT05
This commit is contained in:
Noah Misch 2017-11-12 14:31:00 -08:00
parent 19cf9e96ae
commit e17b38db66
1 changed files with 8 additions and 8 deletions
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16
src/backend/main/main.c
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@ -68,6 +68,14 @@ main(int argc, char *argv[])
{
bool do_check_root = true;
/*
* If supported on the current platform, set up a handler to be called if
* the backend/postmaster crashes with a fatal signal or exception.
*/
#if defined(WIN32) && defined(HAVE_MINIDUMP_TYPE)
pgwin32_install_crashdump_handler();
#endif
progname = get_progname(argv[0]);
/*
@ -88,14 +96,6 @@ main(int argc, char *argv[])
*/
argv = save_ps_display_args(argc, argv);
/*
* If supported on the current platform, set up a handler to be called if
* the backend/postmaster crashes with a fatal signal or exception.
*/
#if defined(WIN32) && defined(HAVE_MINIDUMP_TYPE)
pgwin32_install_crashdump_handler();
#endif
/*
* Fire up essential subsystems: error and memory management
*