*** Python-2.1/Python/thread_pthread.h.orig	Fri Oct  5 11:23:39 2001
--- Python-2.1/Python/thread_pthread.h	Fri Oct  5 11:23:47 2001
***************
*** 4,9 ****
--- 4,10 ----
  #include <stdlib.h>
  #include <string.h>
  #include <pthread.h>
+ #include <signal.h>
  
  
  /* try to determine what version of the Pthread Standard is installed.
***************
*** 62,67 ****
--- 63,80 ----
  #endif
  
  
+ /* On platforms that don't use standard POSIX threads pthread_sigmask()
+  * isn't present.  DEC threads uses sigprocmask() instead as do most
+  * other UNIX International compliant systems that don't have the full
+  * pthread implementation.
+  */
+ #ifdef PY_PTHREAD_STD
+ #  define SET_THREAD_SIGMASK pthread_sigmask
+ #else
+ #  define SET_THREAD_SIGMASK sigprocmask
+ #endif
+ 
+ 
  /* A pthread mutex isn't sufficient to model the Python lock type
   * because, according to Draft 5 of the docs (P1003.4a/D5), both of the
   * following are undefined:
***************
*** 128,137 ****
--- 141,158 ----
  {
  	pthread_t th;
  	int success;
+ 	sigset_t oldmask, newmask;
  	dprintf(("PyThread_start_new_thread called\n"));
  	if (!initialized)
  		PyThread_init_thread();
  
+ 	/* Mask all signals in the current thread before creating the new
+ 	 * thread.  This causes the new thread to start with all signals
+ 	 * blocked.
+ 	 */
+ 	sigfillset(&newmask);
+ 	SET_THREAD_SIGMASK(SIG_BLOCK, &newmask, &oldmask);
+ 
  	success = pthread_create(&th, 
  #if defined(PY_PTHREAD_D4)
  				 pthread_attr_default,
***************
*** 152,157 ****
--- 173,181 ----
  #endif
  				 );
  
+ 	/* Restore signal mask for original thread */
+ 	SET_THREAD_SIGMASK(SIG_SETMASK, &oldmask, NULL);
+ 	
  	if (success == 0) {
  #if defined(PY_PTHREAD_D4) || defined(PY_PTHREAD_D6) || defined(PY_PTHREAD_D7)
  		pthread_detach(&th);