Add comment about synchronous signals.

bmomjian · bmomjian · commit 59182d99018b · 2004-01-09T02:17:15.000Z
diff --git a/src/interfaces/libpq/fe-secure.c b/src/interfaces/libpq/fe-secure.c
@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.35 2004/01/09 02:02:43 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.36 2004/01/09 02:17:15 momjian Exp $
  *
  * NOTES
  *	  The client *requires* a valid server certificate.  Since
@@ -1099,7 +1099,11 @@ check_sigpipe_handler(void)
 void
 sigpipe_handler_ignore_send(int signo)
 {
-	/* If we have gotten a SIGPIPE outside send(), exit */
+	/*
+	 *	If we have gotten a SIGPIPE outside send(), exit.
+	 *	Synchronous signals are delivered to the thread
+	 *	that caused the signal.
+	 */
 	if (!PQinSend())
 		exit(128 + SIGPIPE);	/* typical return value for SIG_DFL */
 }

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@`
`11`	`11`	`*`
`12`	`12`	`*`
`13`	`13`	`* IDENTIFICATION`
`14`		`- * $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.35 2004/01/09 02:02:43 momjian Exp $`
	`14`	`+ * $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.36 2004/01/09 02:17:15 momjian Exp $`
`15`	`15`	`*`
`16`	`16`	`* NOTES`
`17`	`17`	`* The client requires a valid server certificate. Since`
`@@ -1099,7 +1099,11 @@ check_sigpipe_handler(void)`
`1099`	`1099`	`void`
`1100`	`1100`	`sigpipe_handler_ignore_send(int signo)`
`1101`	`1101`	`{`
`1102`		`- /* If we have gotten a SIGPIPE outside send(), exit */`
	`1102`	`+ /*`
	`1103`	`+ * If we have gotten a SIGPIPE outside send(), exit.`
	`1104`	`+ * Synchronous signals are delivered to the thread`
	`1105`	`+ * that caused the signal.`
	`1106`	`+ */`
`1103`	`1107`	`if (!PQinSend())`
`1104`	`1108`	`exit(128 + SIGPIPE); /* typical return value for SIG_DFL */`
`1105`	`1109`	`}`