From 3f601a31dc24d7acba7b57124e3b319b792b9581 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Tue, 25 Feb 2020 19:07:23 +0100
Subject: [PATCH] shm: handle EINTR in posix_fallocate()

---
 shm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/shm.c b/shm.c
index 33095e74..ab717bd0 100644
--- a/shm.c
+++ b/shm.c
@@ -2,6 +2,7 @@
 
 #include <unistd.h>
 #include <assert.h>
+#include <errno.h>
 
 #include <sys/types.h>
 #include <sys/mman.h>
@@ -124,7 +125,9 @@ shm_get_buffer(struct wl_shm *shm, int width, int height, unsigned long cookie)
     size = stride * height;
     LOG_DBG("cookie=%lx: allocating new buffer: %zu KB", cookie, size / 1024);
 
-    int err = posix_fallocate(pool_fd, 0, size);
+    int err = EINTR;
+    while (err == EINTR)
+        err = posix_fallocate(pool_fd, 0, size);
     if (err != 0) {
         static bool failure_logged = false;