X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fum%2Fos-Linux%2Fprocess.c;fp=arch%2Fum%2Fos-Linux%2Fprocess.c;h=c8bf7727666258d23c7aec8de67d7bcbff440bcf;hb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;hp=233be2f4f8cb96726f270d47e23da0a35a7658c0;hpb=4e76c8a9fa413ccc09d3f7f664183dcce3555d57;p=linux-2.6.git diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index 233be2f4f..c8bf77276 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c @@ -141,11 +141,9 @@ void os_usr1_process(int pid) * syscalls, and also breaks with clone(), which does not unshare the TLS. */ -inline _syscall0(pid_t, getpid) - int os_getpid(void) { - return(getpid()); + return syscall(__NR_getpid); } int os_getpgrp(void) @@ -250,36 +248,35 @@ void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int)) if(usr1_handler) set_handler(SIGUSR1, usr1_handler, flags, -1); } -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; }