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XQuartz: mieq: Wait for the server to finish initializing before letting other threads mieqEnqueue

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Avoid possible race condition whereby one thread might call mieqEnqueue before InitAndStartDevices finishes
(cherry picked from commit 94e417ac87a98cd5c6bf2d7c495d702748398931)
This commit is contained in:
Jeremy Huddleston 2009-01-16 13:58:20 -08:00
commit ca46c01869
2 changed files with 35 additions and 13 deletions
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14
dix/main.c
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@ -233,6 +233,12 @@ static int indexForScanlinePad[ 65 ] = {
#endif
#ifdef XQUARTZ
#include <pthread.h>
BOOL serverInitComplete = FALSE;
pthread_mutex_t serverInitCompleteMutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t serverInitCompleteCond = PTHREAD_COND_INITIALIZER;
int dix_main(int argc, char *argv[], char *envp[])
#else
int main(int argc, char *argv[], char *envp[])
@ -377,6 +383,14 @@ int main(int argc, char *argv[], char *envp[])
}
}
#ifdef XQUARTZ
/* Let the other threads know the server is done with its init */
pthread_mutex_lock(&serverInitCompleteMutex);
serverInitComplete = TRUE;
pthread_cond_broadcast(&serverInitCompleteCond);
pthread_mutex_unlock(&serverInitCompleteMutex);
#endif
NotifyParentProcess();
Dispatch();