[Qemu-devel] [PATCH 25/34] linux-user: Restart exit() if signal pending

[Timothy E Baldwin]

Without this a signal could vanish on thread exit.

Signed-off-by: Timothy Edward Baldwin <address@hidden>
---
 linux-user/syscall.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 4839154..efe61e3 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5719,8 +5719,12 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
            However in threaded applictions it is used for thread termination,
            and _exit_group is used for application termination.
            Do thread termination if we have more then one thread.  */
-        /* FIXME: This probably breaks if a signal arrives.  We should probably
-           be disabling signals.  */
+
+        if (block_signals()) {
+            ret = -TARGET_ERESTARTSYS;
+            break;
+        }
+
         if (CPU_NEXT(first_cpu)) {
             TaskState *ts;
 
-- 
2.1.4