xnu-3789.31.2.tar.gz

[apple/xnu.git] / bsd / sys / proc_internal.h

diff --git a/bsd/sys/proc_internal.h b/bsd/sys/proc_internal.h
index 6c00e20e078e05311c394577076f2791631ecc5c..a6bfe6bc34ac8e68f85c9b34604340e7eb3e98a7 100644 (file)
--- a/bsd/sys/proc_internal.h
+++ b/bsd/sys/proc_internal.h
@@ -434,7 +434,8 @@ struct      proc {
 #define P_LIST_INPGRP                  0x00020000      /* process is in pgrp */
 #define P_LIST_PGRPTRANS               0x00040000      /* pgrp is getting replaced */
 #define P_LIST_PGRPTRWAIT              0x00080000      /* wait for pgrp replacement */
-#define P_LIST_EXITCOUNT               0x00100000      /* counted for process exit */ 
+#define P_LIST_EXITCOUNT               0x00100000      /* counted for process exit */
+#define P_LIST_REFWAIT                 0x00200000      /* wait to take a ref */
  
 
 /* local flags */
@@ -459,11 +460,9 @@ struct     proc {
 #define        P_LLIMWAIT      0x00040000
 #define P_LWAITED      0x00080000 
 #define P_LINSIGNAL            0x00100000 
-#define P_LRETURNWAIT          0x00200000      /* process is completing spawn/vfork-exec/fork */
 #define P_LRAGE_VNODES 0x00400000
 #define P_LREGISTER    0x00800000      /* thread start fns registered  */
 #define P_LVMRSRCOWNER 0x01000000      /* can handle the resource ownership of  */
-#define P_LRETURNWAITER 0x02000000     /* thread is waiting on P_LRETURNWAIT being cleared */
 #define P_LTERM_DECRYPTFAIL    0x04000000      /* process terminating due to key failure to decrypt */
 #define        P_LTERM_JETSAM          0x08000000      /* process is being jetsam'd */
 #define P_JETSAM_VMPAGESHORTAGE        0x00000000      /* jetsam: lowest jetsam priority proc, killed due to vm page shortage */
@@ -488,6 +487,10 @@ struct     proc {
 #define PROC_SETACTION_STATE(p) (p->p_pcaction = (PROC_CONTROL_STATE(p) | (PROC_CONTROL_STATE(p) << 16)))
 #define PROC_RESETACTION_STATE(p) (p->p_pcaction = PROC_CONTROL_STATE(p))
 
+/* Process exit reason macros */
+#define PROC_HAS_EXITREASON(p) (p->p_exit_reason != OS_REASON_NULL)
+#define PROC_EXITREASON_FLAGS(p) p->p_exit_reason->osr_flags
+
 /* additional process flags */
 #define P_LADVLOCK             0x01
 #define P_LXBKIDLEINPROG       0x02
@@ -713,6 +716,8 @@ extern void proc_reparentlocked(struct proc *child, struct proc * newparent, int
 extern proc_t proc_findinternal(int pid, int locked);
 extern proc_t proc_findthread(thread_t thread);
 extern void proc_refdrain(proc_t);
+extern proc_t proc_refdrain_with_refwait(proc_t p, boolean_t get_ref_and_allow_wait);
+extern void proc_refwake(proc_t p);
 extern void proc_childdrainlocked(proc_t);
 extern void proc_childdrainstart(proc_t);
 extern void proc_childdrainend(proc_t);
@@ -767,10 +772,6 @@ extern lck_mtx_t * pthread_list_mlock;
 #endif /* PSYNCH */
 struct uthread * current_uthread(void);
 
-void proc_set_return_wait(struct proc *);
-void proc_clear_return_wait(proc_t p, thread_t child_thread);
-void proc_wait_to_return(void);
-
 /* process iteration */
 
 #define ALLPROC_FOREACH(var) \