uml: network formatting
[deliverable/linux.git] / arch / um / drivers / harddog_user.c
index def013b5a3c7a5ec373dae711829b4ae10f76349..b56f8e0196a9e1c4bc0d2c6aa3308785e4c750e9 100644 (file)
@@ -1,17 +1,13 @@
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+/*
+ * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Licensed under the GPL
  */
 
 #include <stdio.h>
 #include <unistd.h>
 #include <errno.h>
-#include "user_util.h"
-#include "user.h"
-#include "mconsole.h"
 #include "os.h"
-#include "choose-mode.h"
-#include "mode.h"
+#include "user.h"
 
 struct dog_data {
        int stdin;
@@ -26,10 +22,10 @@ static void pre_exec(void *d)
        dup2(data->stdin, 0);
        dup2(data->stdout, 1);
        dup2(data->stdout, 2);
-       os_close_file(data->stdin);
-       os_close_file(data->stdout);
-       os_close_file(data->close_me[0]);
-       os_close_file(data->close_me[1]);
+       close(data->stdin);
+       close(data->stdout);
+       close(data->close_me[0]);
+       close(data->close_me[1]);
 }
 
 int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock)
@@ -38,18 +34,18 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock)
        int in_fds[2], out_fds[2], pid, n, err;
        char pid_buf[sizeof("nnnnn\0")], c;
        char *pid_args[] = { "/usr/bin/uml_watchdog", "-pid", pid_buf, NULL };
-       char *mconsole_args[] = { "/usr/bin/uml_watchdog", "-mconsole", NULL, 
+       char *mconsole_args[] = { "/usr/bin/uml_watchdog", "-mconsole", NULL,
                                  NULL };
        char **args = NULL;
 
        err = os_pipe(in_fds, 1, 0);
-       if(err < 0){
+       if (err < 0) {
                printk("harddog_open - os_pipe failed, err = %d\n", -err);
                goto out;
        }
 
        err = os_pipe(out_fds, 1, 0);
-       if(err < 0){
+       if (err < 0) {
                printk("harddog_open - os_pipe failed, err = %d\n", -err);
                goto out_close_in;
        }
@@ -59,59 +55,59 @@ int start_watchdog(int *in_fd_ret, int *out_fd_ret, char *sock)
        data.close_me[0] = out_fds[1];
        data.close_me[1] = in_fds[0];
 
-       if(sock != NULL){
+       if (sock != NULL) {
                mconsole_args[2] = sock;
                args = mconsole_args;
        }
        else {
                /* XXX The os_getpid() is not SMP correct */
-               sprintf(pid_buf, "%d", CHOOSE_MODE(tracing_pid, os_getpid()));
+               sprintf(pid_buf, "%d", os_getpid());
                args = pid_args;
        }
 
-       pid = run_helper(pre_exec, &data, args, NULL);
+       pid = run_helper(pre_exec, &data, args);
 
-       os_close_file(out_fds[0]);
-       os_close_file(in_fds[1]);
+       close(out_fds[0]);
+       close(in_fds[1]);
 
-       if(pid < 0){
+       if (pid < 0) {
                err = -pid;
                printk("harddog_open - run_helper failed, errno = %d\n", -err);
                goto out_close_out;
        }
 
-       n = os_read_file(in_fds[0], &c, sizeof(c));
-       if(n == 0){
+       n = read(in_fds[0], &c, sizeof(c));
+       if (n == 0) {
                printk("harddog_open - EOF on watchdog pipe\n");
                helper_wait(pid);
                err = -EIO;
                goto out_close_out;
        }
-       else if(n < 0){
+       else if (n < 0) {
                printk("harddog_open - read of watchdog pipe failed, "
-                      "err = %d\n", -n);
+                      "err = %d\n", errno);
                helper_wait(pid);
                err = n;
                goto out_close_out;
        }
        *in_fd_ret = in_fds[0];
        *out_fd_ret = out_fds[1];
-       return(0);
+       return 0;
 
  out_close_in:
-       os_close_file(in_fds[0]);
-       os_close_file(in_fds[1]);
+       close(in_fds[0]);
+       close(in_fds[1]);
  out_close_out:
-       os_close_file(out_fds[0]);
-       os_close_file(out_fds[1]);
+       close(out_fds[0]);
+       close(out_fds[1]);
  out:
-       return(err);
+       return err;
 }
 
 void stop_watchdog(int in_fd, int out_fd)
 {
-       os_close_file(in_fd);
-       os_close_file(out_fd);
+       close(in_fd);
+       close(out_fd);
 }
 
 int ping_watchdog(int fd)
@@ -119,24 +115,14 @@ int ping_watchdog(int fd)
        int n;
        char c = '\n';
 
-       n = os_write_file(fd, &c, sizeof(c));
-       if(n != sizeof(c)){
-               printk("ping_watchdog - write failed, err = %d\n", -n);
-               if(n < 0)
-                       return(n);
-               return(-EIO);
+       n = write(fd, &c, sizeof(c));
+       if (n != sizeof(c)) {
+               printk("ping_watchdog - write failed, ret = %d, err = %d\n",
+                      n, errno);
+               if (n < 0)
+                       return n;
+               return -EIO;
        }
        return 1;
 
 }
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
This page took 0.027853 seconds and 5 git commands to generate.