diff --git a/configure b/configure index dca5a43..0a1e347 100755 --- a/configure +++ b/configure @@ -1550,6 +1550,23 @@ if compile_prog "" "" ; then pipe2=yes fi +# check if accept4 is there +accept4=no +cat > $TMPC << EOF +#define _GNU_SOURCE +#include +#include + +int main(void) +{ + accept4(0, NULL, NULL, SOCK_CLOEXEC); + return 0; +} +EOF +if compile_prog "" "" ; then + accept4=yes +fi + # check if tee/splice is there. vmsplice was added same time. splice=no cat > $TMPC << EOF @@ -2013,6 +2030,9 @@ fi if test "$pipe2" = "yes" ; then echo "CONFIG_PIPE2=y" >> $config_host_mak fi +if test "$accept4" = "yes" ; then + echo "CONFIG_ACCEPT4=y" >> $config_host_mak +fi if test "$splice" = "yes" ; then echo "CONFIG_SPLICE=y" >> $config_host_mak fi diff --git a/osdep.c b/osdep.c index 039065e..7509c5b 100644 --- a/osdep.c +++ b/osdep.c @@ -260,7 +260,7 @@ int qemu_pipe(int pipefd[2]) { int ret; -#ifdef O_CLOEXEC +#ifdef CONFIG_PIPE2 ret = pipe2(pipefd, O_CLOEXEC); #else ret = pipe(pipefd); @@ -300,7 +300,7 @@ int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen) { int ret; -#ifdef SOCK_CLOEXEC +#ifdef CONFIG_ACCEPT4 ret = accept4(s, addr, addrlen, SOCK_CLOEXEC); #else ret = accept(s, addr, addrlen);