X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.c;h=9b4d91f75cea26373c9aebc7688b0d992d0c3089;hp=b45fb336be8c631023b891a7a60b3840433a6f07;hb=60ea6945259ee0336ebd742e701a109c90e5a6ab;hpb=95a6f4c8acafe7031087667aa556a50a6a091c93 diff --git a/udev.c b/udev.c index b45fb336b..9b4d91f75 100644 --- a/udev.c +++ b/udev.c @@ -27,84 +27,74 @@ #include #include +#include "libsysfs/sysfs/libsysfs.h" #include "udev.h" #include "udev_version.h" #include "udev_dbus.h" #include "logging.h" #include "namedev.h" #include "udevdb.h" -#include "libsysfs/libsysfs.h" /* global variables */ char **main_argv; char **main_envp; -unsigned char logname[42]; + +#ifdef LOG +unsigned char logname[LOGNAME_SIZE]; +void log_message(int level, const char *format, ...) +{ + va_list args; + + if (!udev_log) + return; + + va_start(args, format); + vsyslog(level, format, args); + va_end(args); +} +#endif static void sig_handler(int signum) { - dbg("caught signal %d", signum); switch (signum) { case SIGINT: case SIGTERM: sysbus_disconnect(); udevdb_exit(); exit(20 + signum); - break; default: dbg("unhandled signal"); } } -static inline char *get_action(void) -{ - char *action; - - action = getenv("ACTION"); - return action; -} - -static inline char *get_devpath(void) -{ - char *devpath; - - devpath = getenv("DEVPATH"); - return devpath; -} - -static inline char *get_seqnum(void) -{ - char *seqnum; - - seqnum = getenv("SEQNUM"); - return seqnum; -} - static char *subsystem_blacklist[] = { "net", "scsi_host", "scsi_device", "usb_host", "pci_bus", - "", + "pcmcia_socket", + "" }; -static int udev_hotplug(int argc, char **argv) +static int udev_hotplug(void) { char *action; char *devpath; char *subsystem; int retval = -EINVAL; int i; + struct sigaction act; action = get_action(); if (!action) { - dbg ("no action?"); + dbg("no action?"); goto exit; } devpath = get_devpath(); if (!devpath) { - dbg ("no devpath?"); + dbg("no devpath?"); goto exit; } dbg("looking at '%s'", devpath); @@ -117,7 +107,11 @@ static int udev_hotplug(int argc, char **argv) } /* skip blacklisted subsystems */ - subsystem = argv[1]; + subsystem = get_subsystem(main_argv[1]); + if (!subsystem) { + dbg("no subsystem?"); + goto exit; + } i = 0; while (subsystem_blacklist[i][0] != '\0') { if (strcmp(subsystem, subsystem_blacklist[i]) == 0) { @@ -130,9 +124,6 @@ static int udev_hotplug(int argc, char **argv) /* connect to the system message bus */ sysbus_connect(); - /* initialize our configuration */ - udev_init_config(); - /* initialize udev database */ retval = udevdb_init(UDEVDB_DEFAULT); if (retval != 0) { @@ -141,14 +132,17 @@ static int udev_hotplug(int argc, char **argv) } /* set up a default signal handler for now */ - signal(SIGINT, sig_handler); - signal(SIGTERM, sig_handler); + act.sa_handler = sig_handler; + sigemptyset (&act.sa_mask); + act.sa_flags = SA_RESTART; + sigaction(SIGINT, &act, NULL); + sigaction(SIGTERM, &act, NULL); /* initialize the naming deamon */ namedev_init(); if (strcmp(action, "add") == 0) - retval = udev_add_device(devpath, subsystem); + retval = udev_add_device(devpath, subsystem, 0); else if (strcmp(action, "remove") == 0) retval = udev_remove_device(devpath, subsystem); @@ -170,15 +164,17 @@ exit: return -retval; } -int main(int argc, char **argv, char **envp) +int main(int argc, char *argv[], char *envp[]) { main_argv = argv; main_envp = envp; init_logging("udev"); - dbg("version %s", UDEV_VERSION); - return udev_hotplug(argc, argv); -} + /* initialize our configuration */ + udev_init_config(); + dbg("version %s", UDEV_VERSION); + return udev_hotplug(); +}