diff options
Diffstat (limited to 'arch/um/drivers/port_user.c')
| -rw-r--r-- | arch/um/drivers/port_user.c | 77 |
1 files changed, 36 insertions, 41 deletions
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c index c799b00012c..9a8e1b64c22 100644 --- a/arch/um/drivers/port_user.c +++ b/arch/um/drivers/port_user.c @@ -1,24 +1,18 @@ /* - * Copyright (C) 2001 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com) * Licensed under the GPL */ #include <stdio.h> -#include <stddef.h> #include <stdlib.h> -#include <string.h> #include <errno.h> -#include <unistd.h> #include <termios.h> -#include <sys/socket.h> -#include <sys/un.h> +#include <unistd.h> #include <netinet/in.h> -#include "kern_util.h" -#include "user.h" #include "chan_user.h" +#include <os.h> #include "port.h" -#include "os.h" -#include "um_malloc.h" +#include <um_malloc.h> struct port_chan { int raw; @@ -34,24 +28,25 @@ static void *port_init(char *str, int device, const struct chan_opts *opts) char *end; int port; - if(*str != ':'){ - printk("port_init : channel type 'port' must specify a " - "port number\n"); + if (*str != ':') { + printk(UM_KERN_ERR "port_init : channel type 'port' must " + "specify a port number\n"); return NULL; } str++; port = strtoul(str, &end, 0); - if((*end != '\0') || (end == str)){ - printk("port_init : couldn't parse port '%s'\n", str); + if ((*end != '\0') || (end == str)) { + printk(UM_KERN_ERR "port_init : couldn't parse port '%s'\n", + str); return NULL; } kern_data = port_data(port); - if(kern_data == NULL) + if (kern_data == NULL) return NULL; - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); - if(data == NULL) + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); + if (data == NULL) goto err; *data = ((struct port_chan) { .raw = opts->raw, @@ -79,13 +74,13 @@ static int port_open(int input, int output, int primary, void *d, int fd, err; fd = port_wait(data->kernel_data); - if((fd >= 0) && data->raw){ + if ((fd >= 0) && data->raw) { CATCH_EINTR(err = tcgetattr(fd, &data->tt)); - if(err) + if (err) return err; err = raw(fd); - if(err) + if (err) return err; } *dev_out = data->dev; @@ -119,11 +114,11 @@ int port_listen_fd(int port) int fd, err, arg; fd = socket(PF_INET, SOCK_STREAM, 0); - if(fd == -1) + if (fd == -1) return -errno; arg = 1; - if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &arg, sizeof(arg)) < 0){ + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &arg, sizeof(arg)) < 0) { err = -errno; goto out; } @@ -131,23 +126,23 @@ int port_listen_fd(int port) addr.sin_family = AF_INET; addr.sin_port = htons(port); addr.sin_addr.s_addr = htonl(INADDR_ANY); - if(bind(fd, (struct sockaddr *) &addr, sizeof(addr)) < 0){ + if (bind(fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) { err = -errno; goto out; } - if(listen(fd, 1) < 0){ + if (listen(fd, 1) < 0) { err = -errno; goto out; } err = os_set_fd_block(fd, 0); - if(err < 0) + if (err < 0) goto out; return fd; out: - os_close_file(fd); + close(fd); return err; } @@ -156,17 +151,17 @@ struct port_pre_exec_data { int pipe_fd; }; -void port_pre_exec(void *arg) +static void port_pre_exec(void *arg) { struct port_pre_exec_data *data = arg; dup2(data->sock_fd, 0); dup2(data->sock_fd, 1); dup2(data->sock_fd, 2); - os_close_file(data->sock_fd); + close(data->sock_fd); dup2(data->pipe_fd, 3); - os_shutdown_socket(3, 1, 0); - os_close_file(data->pipe_fd); + shutdown(3, SHUT_RD); + close(data->pipe_fd); } int port_connection(int fd, int *socket, int *pid_out) @@ -176,12 +171,12 @@ int port_connection(int fd, int *socket, int *pid_out) "/usr/lib/uml/port-helper", NULL }; struct port_pre_exec_data data; - new = os_accept_connection(fd); - if(new < 0) - return new; + new = accept(fd, NULL, 0); + if (new < 0) + return -errno; err = os_pipe(socket, 0, 0); - if(err < 0) + if (err < 0) goto out_close; data = ((struct port_pre_exec_data) @@ -189,18 +184,18 @@ int port_connection(int fd, int *socket, int *pid_out) .pipe_fd = socket[1] }); err = run_helper(port_pre_exec, &data, argv); - if(err < 0) + if (err < 0) goto out_shutdown; *pid_out = err; return new; out_shutdown: - os_shutdown_socket(socket[0], 1, 1); - os_close_file(socket[0]); - os_shutdown_socket(socket[1], 1, 1); - os_close_file(socket[1]); + shutdown(socket[0], SHUT_RDWR); + close(socket[0]); + shutdown(socket[1], SHUT_RDWR); + close(socket[1]); out_close: - os_close_file(new); + close(new); return err; } |
