blob: d8bda81f0d7fbed8cadc83ea276ab37cb116b6fc (
plain)
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--- a/copy/xfs_copy.c
+++ b/copy/xfs_copy.c
@@ -463,6 +463,15 @@ read_ag_header(int fd, xfs_agnumber_t ag
}
+static void sig_mask(int type)
+{
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGCHLD);
+ sigprocmask(type, &mask, NULL);
+}
+
+
void
write_wbuf(void)
{
@@ -478,9 +487,9 @@ write_wbuf(void)
if (target[i].state != INACTIVE)
pthread_mutex_unlock(&targ[i].wait); /* wake up */
- sigrelse(SIGCHLD);
+ sig_mask(SIG_UNBLOCK);
pthread_mutex_lock(&mainwait);
- sighold(SIGCHLD);
+ sig_mask(SIG_BLOCK);
}
@@ -847,7 +856,7 @@ main(int argc, char **argv)
/* set up sigchild signal handler */
signal(SIGCHLD, handler);
- sighold(SIGCHLD);
+ sig_mask(SIG_BLOCK);
/* make children */
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