sigemptyset (set);
restart = get_signo ("__pthread_sig_restart");
+ cancel = get_signo ("__pthread_sig_cancel");
+
+ /* LinuxThreads normally uses the first two RT signals, but in some legacy
+ cases may use SIGUSR1/SIGUSR2. NPTL always uses RT signals, but does
+ not provide any way for the debugger to query the signal numbers -
+ fortunately they don't change! */
+
if (restart == 0)
- return;
+ restart = __SIGRTMIN;
- cancel = get_signo ("__pthread_sig_cancel");
if (cancel == 0)
- return;
+ cancel = __SIGRTMIN + 1;
sigaddset (set, restart);
sigaddset (set, cancel);