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On 8/6/2012 2:07 PM, Daniel Colascione wrote: > I just saw a hang building Emacs (using "make bootstrap") Signal handling appears to be broken. Here's a simple testcase. Run the program and hit control-c. It'll print "got Alarm clock", then stop accepting any signals at all, even SIGSTOP. The same program works fine on my Debian stable box. #define _GNU_SOURCE 1 #include <unistd.h> #include <stdio.h> #include <stdlib.h> #include <signal.h> #include <pthread.h> int main() { sigset_t waitmask; int sig; sigemptyset (&waitmask); sigaddset (&waitmask, SIGINT); sigprocmask (SIG_BLOCK, &waitmask, NULL); for (;;) { sig = sigwaitinfo (&waitmask, NULL); fprintf (stderr, "got %s\n", sys_siglist[sig]); if (sig == SIGINT) { break; } } return 0; }
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