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Signalling mosquitto process on Win32, using named events: (#163)

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mosqPID_shutdown
mosqPID_reload
mosqPID_backup
mosqPID_vacuum

where PID is the PID of the mosquitto process

Signed-off-by: Dmitry Kaukov <dkaukov@opentable.com>
This commit is contained in:
Dmitry Kaukov 2016-07-04 07:18:44 +10:00 committed by Roger Light
parent 6eb8b0c0e8
commit 6bf8b59d89
1 changed files with 56 additions and 0 deletions
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56
src/mosquitto.c
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@ -214,6 +214,59 @@ void handle_sigusr2(int signal)
flag_tree_print = true;
}
/*
*
* Signalling mosquitto process on Win32.
*
* On Windows we we can use named events to pass signals to the mosquitto process.
* List of events :
*
* mosqPID_shutdown
* mosqPID_reload
* mosqPID_backup
* mosqPID_vacuum
*
* (where PID is the PID of the mosquitto process).
*/
#ifdef WIN32
DWORD WINAPI SigThreadProc(void* data) {
TCHAR evt_name[MAX_PATH];
static HANDLE evt[4];
int pid = GetCurrentProcessId();
sprintf_s(evt_name, MAX_PATH, "mosq%d_shutdown", pid);
evt[0] = CreateEvent(NULL, TRUE, FALSE, evt_name);
sprintf_s(evt_name, MAX_PATH, "mosq%d_reload", pid);
evt[1] = CreateEvent(NULL, FALSE, FALSE, evt_name);
sprintf_s(evt_name, MAX_PATH, "mosq%d_backup", pid);
evt[2] = CreateEvent(NULL, FALSE, FALSE, evt_name);
sprintf_s(evt_name, MAX_PATH, "mosq%d_vacuum", pid);
evt[3] = CreateEvent(NULL, FALSE, FALSE, evt_name);
while (true) {
int wr = WaitForMultipleObjects(sizeof(evt) / sizeof(HANDLE), evt, FALSE, INFINITE);
switch (wr) {
case WAIT_OBJECT_0 + 0:
handle_sigint(SIGINT);
break;
case WAIT_OBJECT_0 + 1:
flag_reload = true;
continue;
case WAIT_OBJECT_0 + 2:
handle_sigusr1(0);
continue;
case WAIT_OBJECT_0 + 3:
handle_sigusr2(0);
continue;
}
break;
}
CloseHandle(evt[0]);
CloseHandle(evt[1]);
CloseHandle(evt[2]);
CloseHandle(evt[3]);
return 0;
}
#endif
int main(int argc, char *argv[])
{
mosq_sock_t *listensock = NULL;
@ -371,6 +424,9 @@ int main(int argc, char *argv[])
signal(SIGUSR2, handle_sigusr2);
signal(SIGPIPE, SIG_IGN);
#endif
#ifdef WIN32
CreateThread(NULL, 0, SigThreadProc, NULL, 0, NULL);
#endif
#ifdef WITH_BRIDGE
for(i=0; i<config.bridge_count; i++){