X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.c;h=e2f8ab1a9cb2cbabe4e75014303def6ebe4af305;hb=893dd75069ad851efd19e3d0fa5a4de9e84b4868;hp=7d4520dd5e5154cdbdb70855f0cdfeeb33ed9822;hpb=aab24d77d0eeafb6880dce4420d3f422ef7a0971;p=sbcl.git diff --git a/src/runtime/thread.c b/src/runtime/thread.c index 7d4520d..e2f8ab1 100644 --- a/src/runtime/thread.c +++ b/src/runtime/thread.c @@ -1,6 +1,7 @@ #include #include #include +#include #include #ifndef CLONE_PARENT /* lameass glibc 2.2 doesn't define this */ #define CLONE_PARENT 0x00008000 /* even though the manpage documents it */ @@ -50,8 +51,13 @@ new_thread_trampoline(struct thread *th) fprintf(stderr, "/continue\n"); } th->unbound_marker = UNBOUND_MARKER_WIDETAG; +#ifdef LISP_FEATURE_SB_THREAD /* wait here until our thread is linked into all_threads: see below */ while(th->pid<1) sched_yield(); +#else + if(th->pid < 1) + lose("th->pid not set up right"); +#endif if(arch_os_thread_init(th)==0) return 1; /* failure. no, really */ @@ -114,8 +120,10 @@ pid_t create_thread(lispobj initial_function) { STATIC_TLS_INIT(CONTROL_STACK_START,control_stack_start); STATIC_TLS_INIT(CONTROL_STACK_END,control_stack_end); STATIC_TLS_INIT(ALIEN_STACK,alien_stack_pointer); +#ifdef LISP_FEATURE_X86 STATIC_TLS_INIT(PSEUDO_ATOMIC_ATOMIC,pseudo_atomic_atomic); STATIC_TLS_INIT(PSEUDO_ATOMIC_INTERRUPTED,pseudo_atomic_interrupted); +#endif #undef STATIC_TLS_INIT #endif } @@ -135,10 +143,12 @@ pid_t create_thread(lispobj initial_function) { #else th->alien_stack_pointer=((void *)th->alien_stack_start); #endif +#ifdef LISP_FEATURE_X86 th->pseudo_atomic_interrupted=0; /* runtime.c used to set PSEUDO_ATOMIC_ATOMIC =1 globally. I'm not * sure why, but it appears to help */ th->pseudo_atomic_atomic=make_fixnum(1); +#endif #ifdef LISP_FEATURE_GENCGC gc_set_region_empty(&th->alloc_region); #endif @@ -169,7 +179,7 @@ pid_t create_thread(lispobj initial_function) { bind_variable(INTERRUPT_PENDING, NIL,th); bind_variable(INTERRUPTS_ENABLED,T,th); - th->interrupt_data=malloc(sizeof (struct interrupt_data)); + th->interrupt_data=os_validate(0,(sizeof (struct interrupt_data))); if(all_threads) memcpy(th->interrupt_data, arch_os_get_current_thread()->interrupt_data, @@ -235,8 +245,9 @@ void destroy_thread (struct thread *th) all_threads_lock=0; if(th && th->tls_cookie>=0) arch_os_thread_cleanup(th); os_invalidate((os_vm_address_t) th->control_stack_start, - THREAD_CONTROL_STACK_SIZE+BINDING_STACK_SIZE+ - ALIEN_STACK_SIZE+dynamic_values_bytes+ + ((sizeof (lispobj)) + * (th->control_stack_end-th->control_stack_start)) + + BINDING_STACK_SIZE+ALIEN_STACK_SIZE+dynamic_values_bytes+ 32*SIGSTKSZ); } @@ -249,8 +260,6 @@ struct thread *find_thread_by_pid(pid_t pid) return 0; } - - void block_sigcont(void) { /* don't allow ourselves to receive SIGCONT while we're in the @@ -262,6 +271,10 @@ void block_sigcont(void) sigprocmask(SIG_BLOCK, &newset, 0); } +/* This is not needed unless #+SB-THREAD, and since sigwaitinfo() + * doesn't seem to be easily available everywhere (OpenBSD...) it's + * more trouble than it's worth to compile it when not needed. */ +#if defined LISP_FEATURE_SB_THREAD void unblock_sigcont_and_sleep(void) { sigset_t set; @@ -270,4 +283,4 @@ void unblock_sigcont_and_sleep(void) sigwaitinfo(&set,0); sigprocmask(SIG_UNBLOCK,&set,0); } - +#endif