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Diffstat (limited to 'lib/ccan/failtest/failtest.c')
-rw-r--r--lib/ccan/failtest/failtest.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/lib/ccan/failtest/failtest.c b/lib/ccan/failtest/failtest.c
index 701586e9b8..5f68394518 100644
--- a/lib/ccan/failtest/failtest.c
+++ b/lib/ccan/failtest/failtest.c
@@ -14,6 +14,7 @@
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/mman.h>
+#include <sys/resource.h>
#include <signal.h>
#include <assert.h>
#include <ccan/time/time.h>
@@ -194,11 +195,21 @@ static struct failtest_call *add_history_(enum failtest_call_type type,
static int move_fd_to_high(int fd)
{
int i;
+ struct rlimit lim;
+ int max;
- for (i = FD_SETSIZE - 1; i >= 0; i--) {
+ if (getrlimit(RLIMIT_NOFILE, &lim) == 0) {
+ max = lim.rlim_cur;
+ printf("Max is %i\n", max);
+ } else
+ max = FD_SETSIZE;
+
+ for (i = max - 1; i > fd; i--) {
if (fcntl(i, F_GETFL) == -1 && errno == EBADF) {
- if (dup2(fd, i) == -1)
- err(1, "Failed to dup fd %i to %i", fd, i);
+ if (dup2(fd, i) == -1) {
+ warn("Failed to dup fd %i to %i", fd, i);
+ continue;
+ }
close(fd);
return i;
}