X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udevstart.c;h=4e922bb716a734d21e94fd7b5f5f358a40d72c33;hp=a862dadf88c2818a365ef9b7a1ed860d4e5f6df9;hb=4d8c16072a2d529b40bcc392396c0dc215236f01;hpb=6b493a20e1dbf90a4e54d3be37027fa906220c31 diff --git a/udevstart.c b/udevstart.c index a862dadf8..4e922bb71 100644 --- a/udevstart.c +++ b/udevstart.c @@ -37,6 +37,7 @@ #include "libsysfs/sysfs/libsysfs.h" #include "udev_libc_wrapper.h" +#include "udev_sysfs.h" #include "udev.h" #include "udev_version.h" #include "logging.h" @@ -44,6 +45,9 @@ #include "udev_utils.h" #include "list.h" +static const char *udev_run_str; +static const char *udev_log_str; + #ifdef USE_LOG void log_message(int priority, const char *format, ...) { @@ -111,27 +115,52 @@ static int add_device(const char *path, const char *subsystem) devpath = &path[strlen(sysfs_path)]; - /* set environment for callouts and dev.d/ */ + /* clear and set environment for next event */ + clearenv(); + setenv("ACTION", "add", 1); setenv("DEVPATH", devpath, 1); setenv("SUBSYSTEM", subsystem, 1); - + setenv("UDEV_START", "1", 1); + if (udev_log_str) + setenv("UDEV_LOG", udev_log_str, 1); + if (udev_run_str) + setenv("UDEV_RUN", udev_run_str, 1); dbg("exec: '%s' (%s)\n", devpath, path); class_dev = sysfs_open_class_device_path(path); if (class_dev == NULL) { - dbg ("sysfs_open_class_device_path failed"); - return -ENODEV; + dbg("sysfs_open_class_device_path failed"); + return -1; } - udev_init_device(&udev, devpath, subsystem); - udev_add_device(&udev, class_dev); + udev_init_device(&udev, devpath, subsystem, "add"); + udev.devt = get_devt(class_dev); + if (!udev.devt) { + dbg("sysfs_open_class_device_path failed"); + return -1; + } + udev_rules_get_name(&udev, class_dev); + if (udev.ignore_device) { + dbg("device event will be ignored"); + goto exit; + } + if (udev.name[0] == '\0') { + dbg("device node creation supressed"); + goto run; + } - /* run dev.d/ scripts if we created a node or changed a netif name */ - if (udev_dev_d && udev.devname[0] != '\0') { + udev_add_device(&udev, class_dev); + if (udev.devname[0] != '\0') setenv("DEVNAME", udev.devname, 1); - udev_multiplex_directory(&udev, DEVD_DIR, DEVD_SUFFIX); - } +run: + if (udev_run && !list_empty(&udev.run_list)) { + struct name_entry *name_loop; + dbg("executing run list"); + list_for_each_entry(name_loop, &udev.run_list, node) + execute_program(name_loop->name, udev.subsystem, NULL, 0, NULL); + } +exit: sysfs_close_class_device(class_dev); udev_cleanup_device(&udev); @@ -310,10 +339,14 @@ int main(int argc, char *argv[], char *envp[]) logging_init("udev"); udev_init_config(); + dbg("version %s", UDEV_VERSION); + + udev_run_str = getenv("UDEV_RUN"); + udev_log_str = getenv("UDEV_LOG"); + /* disable all logging if not explicitely requested */ - if (getenv("UDEV_LOG") == NULL) + if (udev_log_str == NULL) udev_log_priority = 0; - dbg("version %s", UDEV_VERSION); /* set signal handlers */ memset(&act, 0x00, sizeof(act)); @@ -327,10 +360,6 @@ int main(int argc, char *argv[], char *envp[]) /* trigger timeout to prevent hanging processes */ alarm(ALARM_TIMEOUT); - /* set environment for executed programs */ - setenv("ACTION", "add", 1); - setenv("UDEV_START", "1", 1); - udev_rules_init(); udev_scan_block();