#include <stddef.h>
#include <sched.h>
#include <string.h>
-#include <sys/fcntl.h>
-#include <sys/errno.h>
+#include <errno.h>
#include <sys/termios.h>
#include <sys/wait.h>
-#include <sys/ioctl.h>
#include <sys/signal.h>
#include "user_util.h"
#include "kern_util.h"
{
struct slip_pre_exec_data *data = arg;
- if(data->stdin != -1) dup2(data->stdin, 0);
+ if(data->stdin >= 0) dup2(data->stdin, 0);
dup2(data->stdout, 1);
- if(data->close_me != -1) close(data->close_me);
+ if(data->close_me >= 0) os_close_file(data->close_me);
}
static int slip_tramp(char **argv, int fd)
int status, pid, fds[2], err, output_len;
err = os_pipe(fds, 1, 0);
- if(err){
- printk("slip_tramp : pipe failed, errno = %d\n", -err);
+ if(err < 0){
+ printk("slip_tramp : pipe failed, err = %d\n", -err);
return(err);
}
printk("slip_tramp : failed to allocate output "
"buffer\n");
- close(fds[1]);
+ os_close_file(fds[1]);
read_output(fds[0], output, output_len);
if(output != NULL){
printk("%s", output);
kfree(output);
}
- if(waitpid(pid, &status, 0) < 0) err = errno;
+ CATCH_EINTR(err = waitpid(pid, &status, 0));
+ if(err < 0)
+ err = errno;
else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){
printk("'%s' didn't exit with status 0\n", argv[0]);
- err = EINVAL;
+ err = -EINVAL;
}
}
return(err);
char gate_buf[sizeof("nnn.nnn.nnn.nnn\0")];
char *argv[] = { "uml_net", version_buf, "slip", "up", gate_buf,
NULL };
- int sfd, mfd, disc, sencap, err;
+ int sfd, mfd, err;
- if((mfd = get_pty()) < 0){
- printk("umn : Failed to open pty\n");
- return(-1);
+ mfd = get_pty();
+ if(mfd < 0){
+ printk("umn : Failed to open pty, err = %d\n", -mfd);
+ return(mfd);
}
- if((sfd = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0)) < 0){
- printk("Couldn't open tty for slip line\n");
- return(-1);
+ sfd = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0);
+ if(sfd < 0){
+ printk("Couldn't open tty for slip line, err = %d\n", -sfd);
+ return(sfd);
}
if(set_up_tty(sfd)) return(-1);
pri->slave = sfd;
err = slip_tramp(argv, sfd);
- if(err != 0){
- printk("slip_tramp failed - errno = %d\n", err);
- return(-err);
+ if(err < 0){
+ printk("slip_tramp failed - err = %d\n", -err);
+ return(err);
}
- if(ioctl(pri->slave, SIOCGIFNAME, pri->name) < 0){
- printk("SIOCGIFNAME failed, errno = %d\n", errno);
- return(-errno);
+ err = os_get_ifname(pri->slave, pri->name);
+ if(err < 0){
+ printk("get_ifname failed, err = %d\n", -err);
+ return(err);
}
iter_addresses(pri->dev, open_addr, pri->name);
}
else {
- disc = N_SLIP;
- if(ioctl(sfd, TIOCSETD, &disc) < 0){
- printk("Failed to set slip line discipline - "
- "errno = %d\n", errno);
- return(-errno);
- }
- sencap = 0;
- if(ioctl(sfd, SIOCSIFENCAP, &sencap) < 0){
- printk("Failed to set slip encapsulation - "
- "errno = %d\n", errno);
- return(-errno);
+ err = os_set_slip(sfd);
+ if(err < 0){
+ printk("Failed to set slip discipline encapsulation - "
+ "err = %d\n", -err);
+ return(err);
}
}
return(mfd);
err = slip_tramp(argv, -1);
if(err != 0)
- printk("slip_tramp failed - errno = %d\n", err);
- close(fd);
- close(pri->slave);
+ printk("slip_tramp failed - errno = %d\n", -err);
+ os_close_file(fd);
+ os_close_file(pri->slave);
pri->slave = -1;
}
{
struct slip_data *pri = data;
- if(pri->slave == -1) return;
+ if(pri->slave < 0) return;
open_addr(addr, netmask, pri->name);
}
{
struct slip_data *pri = data;
- if(pri->slave == -1) return;
+ if(pri->slave < 0) return;
close_addr(addr, netmask, pri->name);
}