void CFMessagePortInvalidate(CFMessagePortRef ms) {
__CFGenericValidateType(ms, __kCFMessagePortTypeID);
if (!__CFMessagePortIsDeallocing(ms)) {
CFRetain(ms);
}
__CFMessagePortLock(ms);
if (__CFMessagePortIsValid(ms)) {
CFMessagePortInvalidationCallBack callout = ms->_icallout;
CFRunLoopSourceRef source = ms->_source;
CFMachPortRef replyPort = ms->_replyPort;
CFMachPortRef port = ms->_port;
CFStringRef name = ms->_name;
void *info = NULL;
__CFMessagePortUnsetValid(ms);
if (!__CFMessagePortIsRemote(ms)) {
info = ms->_context.info;
ms->_context.info = NULL;
}
ms->_source = NULL;
ms->_replyPort = NULL;
__CFMessagePortUnlock(ms);
__CFSpinLock(&__CFAllMessagePortsLock);
if (NULL != (__CFMessagePortIsRemote(ms) ? __CFAllRemoteMessagePorts : __CFAllLocalMessagePorts)) {
CFDictionaryRemoveValue(__CFMessagePortIsRemote(ms) ? __CFAllRemoteMessagePorts : __CFAllLocalMessagePorts, name);
}
__CFSpinUnlock(&__CFAllMessagePortsLock);
if (NULL != callout) {
callout(ms, info);
}
// We already know we're going invalid, don't need this callback
// anymore; plus, this solves a reentrancy deadlock; also, this
// must be done before the deallocate of the Mach port, to
// avoid a race between the notification message which could be
// handled in another thread, and this NULL'ing out.
CFMachPortSetInvalidationCallBack(port, NULL);
// For hashing and equality purposes, cannot get rid of _port here
if (!__CFMessagePortIsRemote(ms) && NULL != ms->_context.release) {
ms->_context.release(info);
}
if (NULL != source) {
CFRunLoopSourceInvalidate(source);
CFRelease(source);
}
if (NULL != replyPort) {
CFMachPortInvalidate(replyPort);
CFRelease(replyPort);
}
if (__CFMessagePortIsRemote(ms)) {
// Get rid of our extra ref on the Mach port gotten from bs server
mach_port_deallocate(mach_task_self(), CFMachPortGetPort(port));
}
} else {
__CFMessagePortUnlock(ms);
}
if (!__CFMessagePortIsDeallocing(ms)) {
CFRelease(ms);
}
}
static CFStringRef __CFMessagePortCopyDescription(CFTypeRef cf) {
CFMessagePortRef ms = (CFMessagePortRef)cf;
CFStringRef result;
const char *locked;
CFStringRef contextDesc = NULL;
locked = "Maybe";
if (__CFMessagePortIsRemote(ms)) {
result = CFStringCreateWithFormat(kCFAllocatorSystemDefault, NULL, CFSTR("<CFMessagePort %p [%p]>{locked = %s, valid = %s, remote = %s, name = %@}"), cf, CFGetAllocator(ms), locked, (__CFMessagePortIsValid(ms) ? "Yes" : "No"), (__CFMessagePortIsRemote(ms) ? "Yes" : "No"), ms->_name);
} else {
if (NULL != ms->_context.info && NULL != ms->_context.copyDescription) {
contextDesc = ms->_context.copyDescription(ms->_context.info);
}
if (NULL == contextDesc) {
contextDesc = CFStringCreateWithFormat(kCFAllocatorSystemDefault, NULL, CFSTR("<CFMessagePort context %p>"), ms->_context.info);
}
void *addr = ms->_callout ? (void *)ms->_callout : (void *)ms->_calloutEx;
Dl_info info;
const char *name = (dladdr(addr, &info) && info.dli_saddr == addr && info.dli_sname) ? info.dli_sname : "???";
result = CFStringCreateWithFormat(kCFAllocatorSystemDefault, NULL, CFSTR("<CFMessagePort %p [%p]>{locked = %s, valid = %s, remote = %s, name = %@, source = %p, callout = %s (%p), context = %@}"), cf, CFGetAllocator(ms), locked, (__CFMessagePortIsValid(ms) ? "Yes" : "No"), (__CFMessagePortIsRemote(ms) ? "Yes" : "No"), ms->_name, ms->_source, name, addr, (NULL != contextDesc ? contextDesc : CFSTR("<no description>")));
}
if (NULL != contextDesc) {
CFRelease(contextDesc);
}
return result;
}
static CFStringRef __CFMessagePortCopyDescription(CFTypeRef cf) {
CFMessagePortRef ms = (CFMessagePortRef)cf;
CFStringRef result;
const char *locked;
CFStringRef contextDesc = NULL;
locked = ms->_lock ? "Yes" : "No";
if (!__CFMessagePortIsRemote(ms)) {
if (NULL != ms->_context.info && NULL != ms->_context.copyDescription) {
contextDesc = ms->_context.copyDescription(ms->_context.info);
}
if (NULL == contextDesc) {
contextDesc = CFStringCreateWithFormat(CFGetAllocator(ms), NULL, CFSTR("<CFMessagePort context %p>"), ms->_context.info);
}
result = CFStringCreateWithFormat(CFGetAllocator(ms), NULL, CFSTR("<CFMessagePort %p [%p]>{locked = %s, valid = %s, remote = %s, name = %@}"), cf, CFGetAllocator(ms), locked, (__CFMessagePortIsValid(ms) ? "Yes" : "No"), (__CFMessagePortIsRemote(ms) ? "Yes" : "No"), ms->_name);
} else {
result = CFStringCreateWithFormat(CFGetAllocator(ms), NULL, CFSTR("<CFMessagePort %p [%p]>{locked = %s, valid = %s, remote = %s, name = %@, source = %p, callout = %p, context = %@}"), cf, CFGetAllocator(ms), locked, (__CFMessagePortIsValid(ms) ? "Yes" : "No"), (__CFMessagePortIsRemote(ms) ? "Yes" : "No"), ms->_name, ms->_source, ms->_callout, (NULL != contextDesc ? contextDesc : CFSTR("<no description>")));
}
if (NULL != contextDesc) {
CFRelease(contextDesc);
}
return result;
}
Boolean CFMessagePortIsRemote(CFMessagePortRef ms) {
__CFGenericValidateType(ms, __kCFMessagePortTypeID);
return __CFMessagePortIsRemote(ms);
}
