0.8.1.10:
[sbcl.git] / src / runtime / thread.c
index 7d4520d..e2f8ab1 100644 (file)
@@ -1,6 +1,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <sched.h>
+#include <signal.h>
 #include <stddef.h>
 #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