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-rwxr-xr-xdoc/demo.sh1
-rw-r--r--passt.c12
2 files changed, 12 insertions, 1 deletions
diff --git a/doc/demo.sh b/doc/demo.sh
index a5b45b5..fe24751 100755
--- a/doc/demo.sh
+++ b/doc/demo.sh
@@ -75,7 +75,6 @@ sysctl -w net.ipv6.conf.all.forwarding=1
ethtool -K veth_passt tx off
ip netns exec passt ethtool -K veth_passt tx off
ip netns exec passt sysctl -w net.ipv4.ping_group_range="0 2147483647"
-ulimit -n 300000
ip netns exec passt ./passt
diff --git a/passt.c b/passt.c
index 9786221..6b160c0 100644
--- a/passt.c
+++ b/passt.c
@@ -18,6 +18,7 @@
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/ioctl.h>
+#include <sys/resource.h>
#include <sys/un.h>
#include <ifaddrs.h>
#include <linux/if_ether.h>
@@ -513,6 +514,7 @@ int main(int argc, char **argv)
struct timespec last_time;
struct ctx c = { 0 };
int nfds, i, fd_unix;
+ struct rlimit limit;
if (argc != 1)
usage(argv[0]);
@@ -528,6 +530,16 @@ int main(int argc, char **argv)
exit(EXIT_FAILURE);
}
+ if (getrlimit(RLIMIT_NOFILE, &limit)) {
+ perror("getrlimit");
+ exit(EXIT_FAILURE);
+ }
+ limit.rlim_cur = limit.rlim_max;
+ if (setrlimit(RLIMIT_NOFILE, &limit)) {
+ perror("setrlimit");
+ exit(EXIT_FAILURE);
+ }
+
if (icmp_sock_init(&c) || tcp_sock_init(&c) || udp_sock_init(&c))
exit(EXIT_FAILURE);