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pg_regress: Promptly detect failed postmaster startup.

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Detect it the way pg_ctl's wait_for_postmaster() does.  When pg_regress
spawned a postmaster that failed startup, we were detecting that only
with "pg_regress: postmaster did not respond within 60 seconds".
Back-patch to 9.4 (all supported versions).

Reviewed by Tom Lane.

Discussion: https://postgr.es/m/20181231172922.GA199150@gust.leadboat.com
This commit is contained in:
Noah Misch 2018-12-31 13:50:32 -08:00
parent af99ad191a
commit 7c97b0f55e
1 changed files with 1 additions and 1 deletions
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src/test/regress/pg_regress.c
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@ -2390,7 +2390,7 @@ regression_main(int argc, char *argv[], init_function ifunc, test_function tfunc
* Fail immediately if postmaster has exited
*/
#ifndef WIN32
if (kill(postmaster_pid, 0) != 0)
if (waitpid(postmaster_pid, NULL, WNOHANG) == postmaster_pid)
#else
if (WaitForSingleObject(postmaster_pid, 0) == WAIT_OBJECT_0)
#endif