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with CFRunLoop on main thread, no extra pthread is needed for power notifications

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This commit is contained in:
matthias.ringwald 2011-06-03 21:45:34 +00:00
parent 41549c8143
commit 869cb7a332
1 changed files with 22 additions and 31 deletions
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53
src/bt_control_iphone.m
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@ -46,16 +46,15 @@
#include "hci.h"
#include "debug.h"
#include <sys/utsname.h> // uname
#include <errno.h>
#include <fcntl.h> // open
#include <stdlib.h> // system, random, srandom
#include <stdio.h> // sscanf, printf
#include <fcntl.h> // open
#include <string.h> // strcpy, strcat, strncmp
#include <sys/utsname.h> // uname
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>
#ifdef USE_BLUETOOL
@ -398,6 +397,8 @@ static char *os4xBlueTool = "/usr/local/bin/BlueToolH4";
static int iphone_on (void *transport_config){
log_dbg("iphone_on: entered\n");
int err = 0;
hci_uart_config_t * hci_uart_config = (hci_uart_config_t*) transport_config;
@ -432,6 +433,7 @@ static int iphone_on (void *transport_config){
}
// unload BTServer
log_dbg("iphone_on: unload BTServer\n");
err = system ("launchctl unload /System/Library/LaunchDaemons/com.apple.BTServer.plist");
#if 0
@ -547,13 +549,16 @@ static int iphone_off (void *config){
}
*/
// power off (all models)
log_dbg("iphone_off: turn off using BlueTool\n");
system ("echo \"power off\nquit\" | BlueTool");
// kill Apple BTServer as it gets confused and fails to start anyway
// system("killall BTServer");
// reload BTServer
log_dbg("iphone_off: reload BTServer\n");
system ("launchctl load /System/Library/LaunchDaemons/com.apple.BTServer.plist");
log_dbg("iphone_off: done\n");
return 0;
}
@ -642,42 +647,28 @@ static int power_notification_process(struct data_source *ds) {
return 0;
}
/** handle IOKIT power notifications - http://developer.apple.com/library/mac/#qa/qa2004/qa1340.html */
static void * power_notification_run(void *context){
IONotificationPortRef notifyPortRef = NULL; // notification port allocated by IORegisterForSystemPower
io_object_t notifierObject = 0; // notifier object, used to deregister later
// register to receive system sleep notifications
root_port = IORegisterForSystemPower(NULL, &notifyPortRef, MySleepCallBack, &notifierObject);
if (!root_port) {
log_dbg("IORegisterForSystemPower failed\n");
return NULL;
}
// add the notification port to this thread's runloop
CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(notifyPortRef), kCFRunLoopCommonModes);
// and wait for events
CFRunLoopRun();
return NULL;
}
/**
* assumption: called only once, cb != null
*/
void iphone_register_for_power_notifications(void (*cb)(POWER_NOTIFICATION_t event)){
// handle IOKIT power notifications - http://developer.apple.com/library/mac/#qa/qa2004/qa1340.html
IONotificationPortRef notifyPortRef = NULL; // notification port allocated by IORegisterForSystemPower
io_object_t notifierObject = 0; // notifier object, used to deregister later
root_port = IORegisterForSystemPower(NULL, &notifyPortRef, MySleepCallBack, &notifierObject);
if (!root_port) {
log_dbg("IORegisterForSystemPower failed\n");
return;
}
// add the notification port to this thread's runloop
CFRunLoopAddSource(CFRunLoopGetCurrent(), IONotificationPortGetRunLoopSource(notifyPortRef), kCFRunLoopCommonModes);
//
power_notification_callback = cb;
// create pipe to deliver power notification to main run loop
pipe(power_notification_pipe_fds);
// spawn thread to run cocoa run loop
pthread_t power_notification_thread;
pthread_create(&power_notification_thread, NULL, &power_notification_run, NULL);
// set up data source handler
power_notification_ds.fd = power_notification_pipe_fds[0];