From b957e864209026ab126d1eebedc0a2f0beaf853a Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 6 Jan 2006 04:13:26 +0000
Subject: [PATCH] * rt/Makefile (tests): Add tst-aio9 and tst-aio10.

	* rt/tst-aio10.c: New file.
---
 ChangeLog                    |   3 +-
 rt/Makefile                  |   2 +-
 rt/tst-aio10.c               | 119 +++++++++++++++++++++++++++++++++++
 sysdeps/pthread/lio_listio.c |   5 +-
 4 files changed, 126 insertions(+), 3 deletions(-)
 create mode 100644 rt/tst-aio10.c

diff --git a/ChangeLog b/ChangeLog
index 6cebfc3c8f..b0c6aa8fd2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,8 +7,9 @@
 	* sysdeps/pthread/aio_suspend.c [!DONT_USE_BOOTSTRAP_MAP]: Don't
 	use condvar, use AIO_MISC_WAIT.
 	* sysdeps/pthread/lio_listio.c: Likewise.
-	* rt/Makefile (tests): Add aio_suspend.
+	* rt/Makefile (tests): Add tst-aio9 and tst-aio10.
 	* rt/tst-aio9.c: New file.
+	* rt/tst-aio10.c: New file.
 
 	* rt/tst-aio3.c: The thread is now supposed to be created.
 
diff --git a/rt/Makefile b/rt/Makefile
index 4f7d5f9d40..f8487975dd 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -43,7 +43,7 @@ librt-routines = $(aio-routines) \
 
 tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2 \
 	 tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \
-	 tst-aio7 tst-aio8 tst-aio9 \
+	 tst-aio7 tst-aio8 tst-aio9 tst-aio10 \
 	 tst-mqueue1 tst-mqueue2 tst-mqueue3 tst-mqueue4 \
 	 tst-mqueue5 tst-mqueue6 tst-mqueue7 tst-mqueue8 tst-mqueue9 \
 	 tst-timer3 tst-timer4 tst-timer5 \
diff --git a/rt/tst-aio10.c b/rt/tst-aio10.c
new file mode 100644
index 0000000000..6e8f7b78c0
--- /dev/null
+++ b/rt/tst-aio10.c
@@ -0,0 +1,119 @@
+#include <aio.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include <unistd.h>
+
+static pthread_barrier_t b;
+static pthread_t main_thread;
+static int flag;
+
+
+static void *
+tf (void *arg)
+{
+  int e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("child: barrier_wait failed");
+      exit (1);
+    }
+
+  /* There is unfortunately no other way to try to make sure the other
+     thread reached the aio_suspend call.  This test could fail on
+     highly loaded machines.  */
+  sleep (2);
+
+  pthread_kill (main_thread, SIGUSR1);
+
+  while (1)
+    sleep (1000);
+
+  return NULL;
+}
+
+
+static void
+sh (int sig)
+{
+  flag = 1;
+}
+
+
+static int
+do_test (void)
+{
+  main_thread = pthread_self ();
+
+  struct sigaction sa;
+
+  sa.sa_handler = sh;
+  sa.sa_flags = 0;
+  sigemptyset (&sa.sa_mask);
+
+  if (sigaction (SIGUSR1, &sa, NULL) != 0)
+    {
+      puts ("sigaction failed");
+      return 1;
+    }
+
+  if (pthread_barrier_init (&b, NULL, 2) != 0)
+    {
+      puts ("barrier_init");
+      return 1;
+    }
+
+  int fds[2];
+  if (pipe (fds) != 0)
+    {
+      puts ("pipe failed");
+      return 1;
+    }
+
+  char buf[42];
+  struct aiocb req;
+  req.aio_fildes = fds[0];
+  req.aio_lio_opcode = LIO_READ;
+  req.aio_reqprio = 0;
+  req.aio_offset = 0;
+  req.aio_buf = buf;
+  req.aio_nbytes = sizeof (buf);
+  req.aio_sigevent.sigev_notify = SIGEV_NONE;
+
+  pthread_t th;
+  if (pthread_create (&th, NULL, tf, NULL) != 0)
+    {
+      puts ("create failed");
+      return 1;
+    }
+
+  int e = pthread_barrier_wait (&b);
+  if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
+    {
+      puts ("parent: barrier_wait failed");
+      exit (1);
+    }
+
+  struct aiocb *list[1];
+  list[0] = &req;
+
+  e = lio_listio (LIO_WAIT, list, 1, NULL);
+  if (e != -1)
+    {
+      puts ("lio_listio succeeded");
+      return 1;
+    }
+  if (errno != EINTR)
+    {
+      printf ("lio_listio did not return EINTR: %d (%d = %m)\n", e, errno);
+      return 1;
+    }
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#define TIMEOUT 5
+#include "../test-skeleton.c"
diff --git a/sysdeps/pthread/lio_listio.c b/sysdeps/pthread/lio_listio.c
index 39187f3025..c652404ae2 100644
--- a/sysdeps/pthread/lio_listio.c
+++ b/sysdeps/pthread/lio_listio.c
@@ -172,7 +172,10 @@ lio_listio_internal (int mode, struct aiocb *const list[], int nent,
 
       /* If any of the I/O requests failed, return -1 and set errno.  */
       if (result != 0)
-	__set_errno (EIO);
+	{
+	  __set_errno (result == EINTR ? EINTR : EIO);
+	  result = -1;
+	}
     }
   else
     {