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[Wayland] Fall back to ftruncate if posix_fallocate isn't supported by filesystem.
diff --git widget/gtk/WindowSurfaceWayland.cpp widget/gtk/WindowSurfaceWayland.cpp
index 9a73326399bd5..9e42a7f1c5d18 100644
--- widget/gtk/WindowSurfaceWayland.cpp
+++ widget/gtk/WindowSurfaceWayland.cpp
@@ -235,23 +235,24 @@
#ifdef HAVE_POSIX_FALLOCATE
do {
ret = posix_fallocate(fd, 0, aSize);
} while (ret == EINTR);
- if (ret != 0) {
+ if (ret == 0) {
+ return fd;
+ } else if (ret != EINVAL && ret != EOPNOTSUPP) {
close(fd);
MOZ_CRASH_UNSAFE_PRINTF(
"posix_fallocate() fails on %s size %d error code %d\n", filename,
aSize, ret);
}
-#else
+#endif
do {
ret = ftruncate(fd, aSize);
} while (ret < 0 && errno == EINTR);
if (ret < 0) {
close(fd);
MOZ_CRASH_UNSAFE_PRINTF("ftruncate() fails on %s size %d error code %d\n",
filename, aSize, ret);
}
-#endif
return fd;
}
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