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Request #44348 Wait for Postgres notifications
Submitted: 2008-03-06 00:32 UTC Modified: 2021-08-15 04:22 UTC
Votes:5
Avg. Score:3.2 ± 1.8
Reproduced:4 of 4 (100.0%)
Same Version:2 (50.0%)
Same OS:3 (75.0%)
From: p_ christ at hol dot gr Assigned: cmb (profile)
Status: No Feedback Package: PostgreSQL related
PHP Version: 5.2.5 OS: Linux
Private report: No CVE-ID: None
View Developer Edit
 [2008-03-06 00:32 UTC] p_ christ at hol dot gr 
Description:
------------
Add one more internal PHP function that will C-poll() the Postgres file descriptor for async events.

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 [2008-03-06 00:35 UTC] p_christ at hol dot gr 
/* {{{ proto array pg_wait_notify([resource connection[, timeout]])
   Wait for postgres activity */
PHP_FUNCTION(pg_wait_notify)
{
	zval *pgsql_link;
	int id = -1;
	int retval = 0;
	int timeout = -1;
	struct pollfd ps;
	PGconn *pgsql;

	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "r|l",
								 &pgsql_link, &timeout) == FAILURE) {
		RETURN_FALSE;
	}

	ZEND_FETCH_RESOURCE2(pgsql, PGconn *, &pgsql_link, id, "PostgreSQL link", le_link, le_plink);

	ps.fd = PQsocket(pgsql);
	ps.events = POLLIN;
	ps.revents = 0;
	
	if (ps.fd<0)
		RETURN_FALSE;
	
	retval = poll(&ps,1,timeout);


	if (retval == -1) {
		php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to poll : %d", errno);
		RETURN_FALSE;
	}

	RETURN_LONG(retval);
}
/* }}} */
 [2016-12-31 00:33 UTC] cmb@php.net
-Package: Feature/Change Request +Package: PostgreSQL related
 [2021-08-05 11:31 UTC] cmb@php.net
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2021-08-05 11:31 UTC] cmb@php.net 
Would async pgsql connections and non-blocking queries[1]
(available as of PHP 5.6.0) resolve this request?

[1] <https://github.com/php/php-src/pull/626>
 [2021-08-15 04:22 UTC] php-bugs at lists dot php dot net 
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 
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