X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fruntime.c;h=32cad8a1bf48a8c382055d2063d929d6c8ead441;hb=89823a09e0dd2869f7fea351d887f75e70548ea7;hp=56ba99c88e59b29ec6e4dcc3b684926f39599ec5;hpb=2b967f60e803c9d25b4d61b979298bad9a9f5003;p=sbcl.git diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c index 56ba99c..32cad8a 100644 --- a/src/runtime/runtime.c +++ b/src/runtime/runtime.c @@ -13,6 +13,8 @@ * files for more information. */ +#include "sbcl.h" + #include #include #include @@ -37,7 +39,6 @@ #include "signal.h" #include "runtime.h" -#include "sbcl.h" #include "alloc.h" #include "vars.h" #include "globals.h" @@ -378,67 +379,6 @@ static void parent_sighandler(int signum,siginfo_t *info, void *void_context) } #ifdef LISP_FEATURE_SB_THREAD -static void parent_do_garbage_collect(void) -{ - int waiting_threads=0; - struct thread *th; - int status,p; - - for_each_thread(th) { - if(ptrace(PTRACE_ATTACH,th->pid,0,0)) { - perror("PTRACE_ATTACH"); - } - else waiting_threads++; - } - stop_the_world=1; - - do { - /* not sure if we have to wait for PTRACE_ATTACH to finish - * before we can send PTRACE_CONT, so let's play it safe - */ - while(waiting_threads>0) { - if((p=waitpid(-1,&status, WUNTRACED|__WALL))>0) { - if(WIFEXITED(status) || WIFSIGNALED(status)) - destroy_thread(find_thread_by_pid(p)); - else { -#if 0 - fprintf(stderr, "wait returned pid %d signal %x\n", - p,WSTOPSIG(status)); -#endif - if(WSTOPSIG(status)==SIGTRAP) { - if(ptrace(PTRACE_CONT,p,0,SIGTRAP)) - perror("PTRACE_CONT"); - } - else waiting_threads--; - } - } - } - for_each_thread(th) { - if(SymbolTlValue(PSEUDO_ATOMIC_ATOMIC,th)) { - /* restart the child, setting *p-a-i* which will cause it - * to go into interrupt_handle_pending as soon as it's - * finished being pseudo_atomic. once there it will - * signal itself SIGSTOP, which will give us another - * event to wait for */ -#if 0 - fprintf(stderr, "%d was pseudo-atomic, letting it resume \n", - th->pid); -#endif - SetTlSymbolValue(PSEUDO_ATOMIC_INTERRUPTED,make_fixnum(1),th); - if(ptrace(PTRACE_CONT,th->pid,0,0)) - perror("PTRACE_CONT"); - waiting_threads++; - } - } - } while (waiting_threads>0); - - collect_garbage(maybe_gc_pending-1); - maybe_gc_pending=0; - stop_the_world=0; - for_each_thread(th) - if(ptrace(PTRACE_DETACH,th->pid,0,0)) - perror("PTRACE_DETACH"); -} static void /* noreturn */ parent_loop(void) { @@ -467,11 +407,9 @@ static void /* noreturn */ parent_loop(void) while(!all_threads) { sched_yield(); } - maybe_gc_pending=0; while(all_threads && (pid=waitpid(-1,&status,__WALL|WUNTRACED))) { struct thread *th; int real_errno=errno; - while(maybe_gc_pending) parent_do_garbage_collect(); if(pid==-1) { if(real_errno == EINTR) { continue; @@ -484,9 +422,7 @@ static void /* noreturn */ parent_loop(void) if(!th) continue; if(WIFEXITED(status) || WIFSIGNALED(status)) { fprintf(stderr,"waitpid : child %d %x exited \n", pid,th); - destroy_thread(th); - /* FIXME arrange to call or fake (free-mutex *session-lock*) - * if necessary */ + destroy_thread(th); if(!all_threads) break; } }