X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=ui%2Fcommon%2Fui-system.c;h=7e04801edf9a96a8e146ad050074e32256779707;hp=a828e2ee3b92a3b881ea5d3b5e04bf38f8523d29;hb=24a530d0b58f57f151ee6d3df9f747ae98ef759f;hpb=6b842bb2559116a949c6a569ac39f5c56ebc1be1 diff --git a/ui/common/ui-system.c b/ui/common/ui-system.c index a828e2e..7e04801 100644 --- a/ui/common/ui-system.c +++ b/ui/common/ui-system.c @@ -16,7 +16,9 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define _GNU_SOURCE +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif #include #include @@ -28,165 +30,35 @@ #include "log/log.h" #include +#include #include "talloc/talloc.h" -#include "loader.h" #include "ui-system.h" /** * pb_start_daemon - start the pb-discover daemon. */ -int pb_start_daemon(void) +int pb_start_daemon(void *ctx) { + struct process *process; + const char **argv; int result; - const char *argv[2]; - char *name = talloc_asprintf(NULL, "%s/sbin/pb-discover", - pb_system_apps.prefix); + char *name; - argv[0] = name; - argv[1] = NULL; - - result = pb_run_cmd(argv, 0, 0); - - talloc_free(name); - - if (result) - pb_log("%s: failed: (%d)\n", __func__, result); - - return result; -} - -/** - * kexec_load - kexec load helper. - * @l_image: The local image file for kexec to execute. - * @l_initrd: Optional local initrd file for kexec --initrd, can be NULL. - * @args: Optional command line args for kexec --append, can be NULL. - */ - -static int kexec_load(const char *l_image, const char *l_initrd, - const char *args, int dry_run) -{ - int result; - const char *argv[6]; - const char **p; - char *s_initrd = NULL; - char *s_args = NULL; - - p = argv; - *p++ = pb_system_apps.kexec; /* 1 */ - *p++ = "-l"; /* 2 */ - - if (l_initrd) { - s_initrd = talloc_asprintf(NULL, "--initrd=%s", l_initrd); - assert(s_initrd); - *p++ = s_initrd; /* 3 */ - } - - if (args) { - s_args = talloc_asprintf(NULL, "--append=%s", args); - assert(s_args); - *p++ = s_args; /* 4 */ - } - - *p++ = l_image; /* 5 */ - *p++ = NULL; /* 6 */ - - result = pb_run_cmd(argv, 1, dry_run); - - if (result) - pb_log("%s: failed: (%d)\n", __func__, result); - - talloc_free(s_initrd); - talloc_free(s_args); - - return result; -} - -/** - * kexec_reboot - Helper to boot the new kernel. - * - * Must only be called after a successful call to kexec_load(). - */ + process = process_create(ctx); -static int kexec_reboot(int dry_run) -{ - int result = 0; - const char *argv[4]; - const char **p; - - /* First try running shutdown. Init scripts should run 'exec -e' */ - - p = argv; - *p++ = pb_system_apps.shutdown; /* 1 */ - *p++ = "-r"; /* 2 */ - *p++ = "now"; /* 3 */ - *p++ = NULL; /* 4 */ - - result = pb_run_cmd(argv, 1, dry_run); - - /* On error, force a kexec with the -e option */ - - if (result) { - p = argv; - *p++ = pb_system_apps.kexec; /* 1 */ - *p++ = "-e"; /* 2 */ - *p++ = NULL; /* 3 */ - - result = pb_run_cmd(argv, 1, 0); - } - - if (result) - pb_log("%s: failed: (%d)\n", __func__, result); + argv = talloc_array(process, const char *, 2); + name = talloc_asprintf(process, "%s/sbin/pb-discover", + pb_system_apps.prefix); - return result; -} - -/** - * pb_run_kexec - Run kexec with the supplied boot options. - */ - -int pb_run_kexec(const struct pb_boot_data *bd, int dry_run) -{ - int result; - char *l_image = NULL; - char *l_initrd = NULL; - unsigned int clean_image = 0; - unsigned int clean_initrd = 0; - - pb_log("%s: image: '%s'\n", __func__, bd->image); - pb_log("%s: initrd: '%s'\n", __func__, bd->initrd); - pb_log("%s: args: '%s'\n", __func__, bd->args); - - result = -1; - - if (bd->image) { - l_image = pb_load_file(NULL, bd->image, &clean_image); - if (!l_image) - goto no_load; - } - - if (bd->initrd) { - l_initrd = pb_load_file(NULL, bd->initrd, &clean_initrd); - if (!l_initrd) - goto no_load; - } - - if (!l_image && !l_initrd) - goto no_load; - - result = kexec_load(l_image, l_initrd, bd->args, dry_run); - -no_load: - if (clean_image) - unlink(l_image); - if (clean_initrd) - unlink(l_initrd); + argv[0] = name; + argv[1] = NULL; - talloc_free(l_image); - talloc_free(l_initrd); + process->path = name; + process->argv = argv; - if (!result) - result = kexec_reboot(dry_run); + result = process_run_async(process); + process_release(process); return result; }