diff options
Diffstat (limited to 'arch/um/drivers/harddog_user.c')
| -rw-r--r-- | arch/um/drivers/harddog_user.c | 87 |
1 files changed, 36 insertions, 51 deletions
diff --git a/arch/um/drivers/harddog_user.c b/arch/um/drivers/harddog_user.c index def013b5a3c..f99b32a4dbf 100644 --- a/arch/um/drivers/harddog_user.c +++ b/arch/um/drivers/harddog_user.c @@ -1,17 +1,12 @@ -/* - * 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 <os.h> struct dog_data { int stdin; @@ -26,30 +21,30 @@ 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) { struct dog_data data; int in_fds[2], out_fds[2], pid, n, err; - char pid_buf[sizeof("nnnnn\0")], c; + char pid_buf[sizeof("nnnnnnn\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 +54,59 @@ 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 +114,14 @@ 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: - */ |
