Specify SA_NOCLDSTOP when enabling SIGCHLD, per suggestion from

tglsfdc · tglsfdc · commit 2820f05ef935 · 2004-08-15T05:25:10.000Z
Oliver Jowett.
diff --git a/src/backend/libpq/pqsignal.c b/src/backend/libpq/pqsignal.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/libpq/pqsignal.c,v 1.34 2004/05/29 22:48:19 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/libpq/pqsignal.c,v 1.35 2004/08/15 05:25:10 tgl Exp $
  *
  * NOTES
  *		This shouldn't be in libpq, but the monitor and some other
@@ -159,6 +159,10 @@ pqsignal(int signo, pqsigfunc func)
 	act.sa_flags = 0;
 	if (signo != SIGALRM)
 		act.sa_flags |= SA_RESTART;
+#ifdef SA_NOCLDSTOP
+	if (signo == SIGCHLD)
+		act.sa_flags |= SA_NOCLDSTOP;
+#endif
 	if (sigaction(signo, &act, &oact) < 0)
 		return SIG_ERR;
 	return oact.sa_handler;
diff --git a/src/interfaces/libpq/pqsignal.c b/src/interfaces/libpq/pqsignal.c
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/libpq/pqsignal.c,v 1.20 2004/02/02 00:11:31 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/libpq/pqsignal.c,v 1.21 2004/08/15 05:25:10 tgl Exp $
  *
  * NOTES
  *		This shouldn't be in libpq, but the monitor and some other
@@ -35,6 +35,10 @@ pqsignal(int signo, pqsigfunc func)
 	act.sa_flags = 0;
 	if (signo != SIGALRM)
 		act.sa_flags |= SA_RESTART;
+#ifdef SA_NOCLDSTOP
+	if (signo == SIGCHLD)
+		act.sa_flags |= SA_NOCLDSTOP;
+#endif
 	if (sigaction(signo, &act, &oact) < 0)
 		return SIG_ERR;
 	return oact.sa_handler;

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@`
`9`	`9`	`*`
`10`	`10`	`*`
`11`	`11`	`* IDENTIFICATION`
`12`		`- * $PostgreSQL: pgsql/src/backend/libpq/pqsignal.c,v 1.34 2004/05/29 22:48:19 tgl Exp $`
	`12`	`+ * $PostgreSQL: pgsql/src/backend/libpq/pqsignal.c,v 1.35 2004/08/15 05:25:10 tgl Exp $`
`13`	`13`	`*`
`14`	`14`	`* NOTES`
`15`	`15`	`* This shouldn't be in libpq, but the monitor and some other`
`@@ -159,6 +159,10 @@ pqsignal(int signo, pqsigfunc func)`
`159`	`159`	`act.sa_flags = 0;`
`160`	`160`	`if (signo != SIGALRM)`
`161`	`161`	`act.sa_flags \|= SA_RESTART;`
	`162`	`+#ifdef SA_NOCLDSTOP`
	`163`	`+ if (signo == SIGCHLD)`
	`164`	`+ act.sa_flags \|= SA_NOCLDSTOP;`
	`165`	`+#endif`
`162`	`166`	`if (sigaction(signo, &act, &oact) < 0)`
`163`	`167`	`return SIG_ERR;`
`164`	`168`	`return oact.sa_handler;`