add a package for xfsprogs

SVN-Revision: 25558

package/xfsprogs/patches/120-portability.patch

@@ -0,0 +1,39 @@
+--- 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 */
+