X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=arch%2Fum%2Fos-Linux%2Fprocess.c;h=ff203625a4bd9afb44ddc1c918a79df2dbc3d608;hb=185a257f2f73bcd89050ad02da5bedbc28fc43fa;hp=233be2f4f8cb96726f270d47e23da0a35a7658c0;hpb=e3104f50d89b1fffe1fd973e32248a5c7f1bb41e;p=pandora-kernel.git diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index 233be2f4f8cb..ff203625a4bd 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -7,7 +7,6 @@ #include #include #include -#include #include #include #include @@ -247,39 +246,48 @@ void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)) set_sigstack(sig_stack, pages * page_size()); flags = SA_ONSTACK; } - if(usr1_handler) set_handler(SIGUSR1, usr1_handler, flags, -1); + if(usr1_handler){ + struct sigaction sa; + + sa.sa_handler = usr1_handler; + sigemptyset(&sa.sa_mask); + sa.sa_flags = flags; + sa.sa_restorer = NULL; + if(sigaction(SIGUSR1, &sa, NULL) < 0) + panic("init_new_thread_stack - sigaction failed - " + "errno = %d\n", errno); + } } -void init_new_thread_signals(int altstack) +void init_new_thread_signals(void) { - int flags = altstack ? SA_ONSTACK : 0; - - set_handler(SIGSEGV, (__sighandler_t) sig_handler, flags, + set_handler(SIGSEGV, (__sighandler_t) sig_handler, SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); - set_handler(SIGTRAP, (__sighandler_t) sig_handler, flags, + set_handler(SIGTRAP, (__sighandler_t) sig_handler, SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); - set_handler(SIGFPE, (__sighandler_t) sig_handler, flags, + set_handler(SIGFPE, (__sighandler_t) sig_handler, SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); - set_handler(SIGILL, (__sighandler_t) sig_handler, flags, + set_handler(SIGILL, (__sighandler_t) sig_handler, SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); - set_handler(SIGBUS, (__sighandler_t) sig_handler, flags, + set_handler(SIGBUS, (__sighandler_t) sig_handler, SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); set_handler(SIGUSR2, (__sighandler_t) sig_handler, - flags, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1); + SA_ONSTACK, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, + -1); signal(SIGHUP, SIG_IGN); - init_irq_signals(altstack); + init_irq_signals(1); } int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr) { jmp_buf buf; - int n, enable; + int n; *jmp_ptr = &buf; - n = UML_SETJMP(&buf, enable); + n = UML_SETJMP(&buf); if(n != 0) - return(n); + return n; (*fn)(arg); - return(0); + return 0; }