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SmartAudio/package/system/procd/patches/006-add-boot-play-in-preini...

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Index: procd-2016-02-08/CMakeLists.txt
===================================================================
--- procd-2016-02-08.orig/CMakeLists.txt
+++ procd-2016-02-08/CMakeLists.txt
@@ -28,6 +28,10 @@ IF(DEBUG)
ADD_DEFINITIONS(-DDEBUG -g3)
ENDIF()
+IF(BOOT_PLAY)
+ ADD_DEFINITIONS(-DBOOT_PLAY=${BOOT_PLAY})
+ENDIF()
+
IF(EARLY_PATH)
ADD_DEFINITIONS(-DEARLY_PATH="${EARLY_PATH}")
ENDIF()
Index: procd-2016-02-08/initd/early.c
===================================================================
--- procd-2016-02-08.orig/initd/early.c
+++ procd-2016-02-08/initd/early.c
@@ -20,6 +20,8 @@
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
+#include <dirent.h>
+#include <string.h>
#include "init.h"
#include "../libc-compat.h"
@@ -58,6 +60,38 @@ early_console(const char *dev)
fcntl(STDERR_FILENO, F_SETFL, fcntl(STDERR_FILENO, F_GETFL) | O_NONBLOCK);
}
+#define is_known_file(ent) \
+((ent->d_type&DT_DIR && \
+(strncmp(ent->d_name, ".", 1) == 0 || \
+ strncmp(ent->d_name, "..", 2) == 0)) || \
+(ent->d_type&DT_CHR && \
+ strncmp(ent->d_name, "console", 7) == 0))
+
+static void
+dev_mount(void)
+{
+ DIR *dir;
+ struct dirent *ent;
+ int exist=0;
+
+ dir = opendir("/dev");
+ if (dir == NULL) {
+ mkdir("/dev", 0755);
+ dir = opendir("/dev");
+ }
+
+ while ((ent = readdir(dir)) != NULL) {
+ if (is_known_file(ent))
+ continue;
+ exist = 1;
+ break;
+ }
+
+ if (exist == 0)
+ mount("tmpfs", "/dev", "tmpfs", MS_NOATIME | MS_NOSUID, "mode=0755,size=512K");
+ return;
+}
+
static void
early_mounts(void)
{
@@ -66,7 +100,7 @@ early_mounts(void)
mount("proc", "/proc", "proc", MS_NOATIME | MS_NODEV | MS_NOEXEC | MS_NOSUID, 0);
mount("sysfs", "/sys", "sysfs", MS_NOATIME | MS_NODEV | MS_NOEXEC | MS_NOSUID, 0);
mount("cgroup", "/sys/fs/cgroup", "cgroup", MS_NODEV | MS_NOEXEC | MS_NOSUID, 0);
- mount("tmpfs", "/dev", "tmpfs", MS_NOATIME | MS_NOSUID, "mode=0755,size=512K");
+ dev_mount();
ignore(symlink("/tmp/shm", "/dev/shm"));
mkdir("/dev/pts", 0755);
mount("devpts", "/dev/pts", "devpts", MS_NOATIME | MS_NOEXEC | MS_NOSUID, "mode=600");
Index: procd-2016-02-08/initd/init.c
===================================================================
--- procd-2016-02-08.orig/initd/init.c
+++ procd-2016-02-08/initd/init.c
@@ -34,7 +34,6 @@
#include "../watchdog.h"
unsigned int debug = 0;
-pid_t gKmodLoaderPid;
static void
signal_shutdown(int signal, siginfo_t *siginfo, void *data)
@@ -71,8 +70,6 @@ cmdline(void)
int
main(int argc, char **argv)
{
- pid_t pid;
-
ulog_open(ULOG_KMSG, LOG_DAEMON, "init");
sigaction(SIGTERM, &sa_shutdown, NULL);
@@ -83,31 +80,6 @@ main(int argc, char **argv)
cmdline();
watchdog_init(1);
- pid = fork();
- if (!pid) {
- char *kmod[] = { "/sbin/kmodloader", "/etc/modules-boot.d/", NULL };
-
- if (debug < 3) {
- int fd = open("/dev/null", O_RDWR);
-
- if (fd > -1) {
- dup2(fd, STDIN_FILENO);
- dup2(fd, STDOUT_FILENO);
- dup2(fd, STDERR_FILENO);
- if (fd > STDERR_FILENO)
- close(fd);
- }
- }
- execvp(kmod[0], kmod);
- ERROR("Failed to start kmodloader\n");
- exit(-1);
- }
- if (pid <= 0) {
- ERROR("Failed to start kmodloader instance\n");
- } else {
- gKmodLoaderPid = pid;
- }
-
uloop_init();
preinit();
uloop_run();
Index: procd-2016-02-08/initd/preinit.c
===================================================================
--- procd-2016-02-08.orig/initd/preinit.c
+++ procd-2016-02-08/initd/preinit.c
@@ -24,13 +24,14 @@
#include <stdio.h>
#include <unistd.h>
+#include <fcntl.h>
#include "init.h"
#include "../watchdog.h"
static struct uloop_process preinit_proc;
static struct uloop_process plugd_proc;
-extern pid_t gKmodLoaderPid;
+static struct uloop_process kmodloader_proc;
static void
check_dbglvl(void)
@@ -50,7 +51,7 @@ check_dbglvl(void)
}
static void
-spawn_procd(struct uloop_process *proc, int ret)
+spawn_procd(void)
{
char *wdt_fd = watchdog_fd();
char *argv[] = { "/sbin/procd", NULL};
@@ -64,15 +65,6 @@ spawn_procd(struct uloop_process *proc,
while (true)
sleep(1);
- if(gKmodLoaderPid != 0) {
- int i;
- for (i = 0; i < 120; i++) {
- if (waitpid(gKmodLoaderPid, NULL, WNOHANG) > 0)
- break;
- usleep(10000);
- watchdog_ping();
- }
- }
unsetenv("INITRAMFS");
unsetenv("PREINIT");
DEBUG(2, "Exec to real procd now\n");
@@ -88,6 +80,43 @@ spawn_procd(struct uloop_process *proc,
}
static void
+kmodloader_cb(struct uloop_process *proc, int ret)
+{
+#if BOOT_PLAY == 2
+ char *boot_play_cmd[] = {"/sbin/boot-play", "boot", NULL};
+
+ if (!access(boot_play_cmd[0], F_OK|X_OK) && fork() == 0) {
+ if (debug < 3) {
+ int fd;
+ fd = open("/dev/null", O_RDWR);
+ if (fd > -1) {
+ dup2(fd, STDIN_FILENO);
+ dup2(fd, STDOUT_FILENO);
+ dup2(fd, STDERR_FILENO);
+ if (fd > STDERR_FILENO)
+ close(fd);
+ }
+ }
+ execvp(boot_play_cmd[0], boot_play_cmd);
+ ERROR("Failed to start boot-play\n");
+ exit(-1);
+ }
+#endif
+ proc->pid = 0;
+
+ if (preinit_proc.pid == 0)
+ spawn_procd();
+}
+
+static void
+preinit_proc_cb(struct uloop_process *proc, int ret)
+{
+ proc->pid = 0;
+ if (kmodloader_proc.pid == 0)
+ spawn_procd();
+}
+
+static void
plugd_proc_cb(struct uloop_process *proc, int ret)
{
proc->pid = 0;
@@ -98,8 +127,52 @@ preinit(void)
{
char *init[] = { "/bin/sh", "/etc/preinit", NULL };
char *plug[] = { "/sbin/procd", "-h", "/etc/hotplug-preinit.json", NULL };
+ char *kmodloader[] = {"/sbin/kmodloader", "/etc/modules-boot.d/", NULL};
LOG("- preinit -\n");
+#if BOOT_PLAY == 1
+ char *boot_play_cmd[] = {"/sbin/boot-play", "boot", NULL};
+
+ if (!access(boot_play_cmd[0], F_OK|X_OK) && fork() == 0) {
+ if (debug < 3) {
+ int fd;
+ fd = open("/dev/null", O_RDWR);
+ if (fd > -1) {
+ dup2(fd, STDIN_FILENO);
+ dup2(fd, STDOUT_FILENO);
+ dup2(fd, STDERR_FILENO);
+ if (fd > STDERR_FILENO)
+ close(fd);
+ }
+ }
+ execvp(boot_play_cmd[0], boot_play_cmd);
+ ERROR("Failed to start boot-play\n");
+ exit(-1);
+ }
+#endif
+ kmodloader_proc.cb = kmodloader_cb;
+ kmodloader_proc.pid = fork();
+ if (!kmodloader_proc.pid) {
+ if (debug < 3) {
+ int fd;
+ fd = open("/dev/null", O_RDWR);
+ if (fd > -1) {
+ dup2(fd, STDIN_FILENO);
+ dup2(fd, STDOUT_FILENO);
+ dup2(fd, STDERR_FILENO);
+ if (fd > STDERR_FILENO)
+ close(fd);
+ }
+ }
+ execvp(kmodloader[0], kmodloader);
+ ERROR("Failed to start kmodloader\n");
+ exit(-1);
+ }
+ if (kmodloader_proc.pid <= 0) {
+ ERROR("Failed to start new kmodloader instance\n");
+ return;
+ }
+ uloop_process_add(&kmodloader_proc);
plugd_proc.cb = plugd_proc_cb;
plugd_proc.pid = fork();
@@ -116,7 +189,7 @@ preinit(void)
setenv("PREINIT", "1", 1);
- preinit_proc.cb = spawn_procd;
+ preinit_proc.cb = preinit_proc_cb;
preinit_proc.pid = fork();
if (!preinit_proc.pid) {
execvp(init[0], init);
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