--- uml_mconsole.c.orig 2005-08-26 13:08:33.000000000 -0400 +++ uml_mconsole.c 2005-08-26 15:53:11.000000000 -0400 @@ -37,13 +37,20 @@ #include #include #include +#include + static char uml_name[11]; static struct sockaddr_un sun; +static long int uml_pid; -static int do_switch(char *file, char *name) +static int do_switch(char *dir, char *file, char *name) { struct stat buf; + char pid_path[MAXPATHLEN + 1]=""; + FILE *fd; + char pid[32]=""; + int x=-1; if(stat(file, &buf) == -1){ fprintf(stderr, "Warning: couldn't stat file: %s - ", file); @@ -53,6 +60,18 @@ sun.sun_family = AF_UNIX; strncpy(sun.sun_path, file, sizeof(sun.sun_path)); strncpy(uml_name, name, sizeof(uml_name)); + + /* Open and read PID file */ + snprintf(pid_path, sizeof(pid_path), "%s/%s/pid", dir, name); + if(!(fd=fopen(pid_path, "r"))) { + uml_pid=-1; + return(0); + } + + if(fscanf(fd, "%ld", ¨_pid)!=1){ + uml_pid=-1; + return(0); + } return(0); } @@ -65,19 +84,22 @@ snprintf(dir, sizeof(dir), "%s/.uml", home); snprintf(file, sizeof(file), "%s/%s/mconsole", dir, name); if(strncmp(name, dir, strlen(dir))){ - if(!do_switch(file, name)) return(0); + if(!do_switch(dir,file, name)) return(0); try_file = 0; } } + snprintf(dir, sizeof(dir), "/tmp/uml/%s", name); snprintf(tmp, sizeof(tmp), "/tmp/uml/%s/mconsole", name); if(strncmp(name, "/tmp/uml/", strlen("/tmp/uml/"))){ - if(!do_switch(tmp, name)) return(0); + if(!do_switch(dir,tmp, name)) return(0); } - if(!do_switch(name, name)) return(0); + + snprintf(dir, sizeof(dir), "./"); + if(!do_switch(dir, name, name)) return(0); if(!try_file) return(-1); - return(do_switch(file, name)); + return(do_switch(dir,file, name)); } #define MCONSOLE_MAGIC (0xcafebabe) @@ -264,7 +286,8 @@ quit - Quit mconsole\n\ switch - Switch control to the given machine\n\ log -f - use contents of as UML log messages\n\ - mconsole-version - version of this mconsole program\n"; + mconsole-version - version of this mconsole program\n\ + int - Interrupt UML session \n"; static int help_cmd(int fd, char *command) { @@ -344,6 +367,19 @@ return(0); } +static int int_cmd(int fd, char *command) +{ + + if (uml_pid == -1) { + printf("Cannot determine the PID of your UML session, not sending signal.\n"); + return(0); + } + + kill(uml_pid, SIGINT); + + return(0); +} + struct cmd { char *command; int (*proc)(int, char *); @@ -355,6 +391,7 @@ { "switch", switch_cmd }, { "log", log_cmd }, { "mconsole-version", mversion_cmd }, + { "int", int_cmd }, { NULL, default_cmd } /* default_cmd means "send it to the UML" */ };