From: Guohuai Shi <guohuai....@windriver.com> Use _getmaxstdio() to set the fd limit on Windows.
Signed-off-by: Guohuai Shi <guohuai....@windriver.com> Signed-off-by: Bin Meng <bin.m...@windriver.com> --- hw/9pfs/9p.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c index 2497a06f43..b55d0bc400 100644 --- a/hw/9pfs/9p.c +++ b/hw/9pfs/9p.c @@ -4396,11 +4396,28 @@ void v9fs_reset(V9fsState *s) static void __attribute__((__constructor__)) v9fs_set_fd_limit(void) { + int rlim_cur; + int ret; + +#ifndef CONFIG_WIN32 struct rlimit rlim; - if (getrlimit(RLIMIT_NOFILE, &rlim) < 0) { + ret = getrlimit(RLIMIT_NOFILE, &rlim); + rlim_cur = rlim.rlim_cur; +#else + /* + * On Windows host, _getmaxstdio() actually returns the number of max + * open files at the stdio level. It *may* be smaller than the number + * of open files by open() or CreateFile(). + */ + ret = _getmaxstdio(); + rlim_cur = ret; +#endif + + if (ret < 0) { error_report("Failed to get the resource limit"); exit(1); } - open_fd_hw = rlim.rlim_cur - MIN(400, rlim.rlim_cur / 3); - open_fd_rc = rlim.rlim_cur / 2; + + open_fd_hw = rlim_cur - MIN(400, rlim_cur / 3); + open_fd_rc = rlim_cur / 2; } -- 2.25.1