Back out most of the last commit. It created problems with sigpause.

1 files changed, 1 insertions, 26 deletions

diff --git a/lib/libc_r/uthread/uthread_sig.c b/lib/libc_r/uthread/uthread_sig.c
index 073b1ba05784..be3da9a27937 100644
--- a/lib/libc_r/uthread/uthread_sig.c
+++ b/lib/libc_r/uthread/uthread_sig.c
@@ -212,31 +212,6 @@ _thread_sig_handler(int sig, int code, struct sigcontext * scp)
 				sigdelset(&pthread->sigpend,SIGCONT);
 		}
 
-		/*
-		 * Enter a loop to process each thread in the linked
-		 * list that is sigwait-ing on a signal.  Since POSIX
-		 * doesn't specify which thread will get the signal
-		 * if there are multiple waiters, we'll give it to the
-		 * first one we find.
-		 */
-		for (pthread = _thread_link_list; pthread != NULL;
-		    pthread = pthread->nxt) {
-			if ((pthread->state == PS_SIGWAIT) &&
-			    sigismember(&pthread->sigmask, sig)) {
-				/* Change the state of the thread to run: */
-				PTHREAD_NEW_STATE(pthread,PS_RUNNING);
-
-				/* Return the signal number: */
-				pthread->signo = sig;
-
-				/*
-				 * Do not attempt to deliver this signal
-				 * to other threads.
-				 */
-				return;
-			}
-		}
-
 		/* Check if the signal is not being ignored: */
 		if (_thread_sigact[sig - 1].sa_handler != SIG_IGN)
 			/*
@@ -284,7 +259,6 @@ _thread_signal(pthread_t pthread, int sig)
 	case PS_RUNNING:
 	case PS_STATE_MAX:
 	case PS_SIGTHREAD:
-	case PS_SIGWAIT:
 	case PS_SUSPENDED:
 		/* Nothing to do here. */
 		break;
@@ -317,6 +291,7 @@ _thread_signal(pthread_t pthread, int sig)
 	case PS_FDW_WAIT:
 	case PS_SLEEP_WAIT:
 	case PS_SELECT_WAIT:
+	case PS_SIGWAIT:
 		if (sig != SIGCHLD ||
 		    _thread_sigact[sig - 1].sa_handler != SIG_DFL) {
 			/* Flag the operation as interrupted: */