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Exit only on EBADF for select()

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This commit is contained in:
Adrien Gallouët
2016-12-20 11:44:42 +00:00
parent deba26a7cb
commit 91efdfe4e8
2 changed files with 11 additions and 4 deletions
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9
src/main.c
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@@ -243,8 +243,6 @@ main(int argc, char **argv)
return 1;
}
fd_set_nonblock(tun_fd);
int chacha = option_is_set(opts, "chacha20");
struct mud *mud = mud_create(bind_port, v4, v6, !chacha, mtu);
@@ -301,6 +299,7 @@ main(int argc, char **argv)
int mud_fd = mud_get_fd(mud);
fd_set_nonblock(tun_fd);
fd_set_nonblock(mud_fd);
gt_log("running...\n");
@@ -310,6 +309,8 @@ main(int argc, char **argv)
unsigned char buf[8 * 1024];
int last_fd = 1 + MAX(tun_fd, MAX(mud_fd, icmp_fd));
while (!gt.quit) {
FD_SET(tun_fd, &rfds);
FD_SET(mud_fd, &rfds);
@@ -317,8 +318,8 @@ main(int argc, char **argv)
if (icmp_fd != -1)
FD_SET(icmp_fd, &rfds);
if (select(mud_fd + 1, &rfds, NULL, NULL, NULL) == -1) {
if (errno == EINTR)
if (select(last_fd, &rfds, NULL, NULL, NULL) == -1) {
if (errno != EBADF)
continue;
perror("select");
return 1;