X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..2d21ac55c334faf3a56e5634905ed6987fc787d4:/bsd/sys/resourcevar.h

diff --git a/bsd/sys/resourcevar.h b/bsd/sys/resourcevar.h
index 3ece85372..588847dc8 100644
--- a/bsd/sys/resourcevar.h
+++ b/bsd/sys/resourcevar.h
@@ -66,7 +66,6 @@
 
 #include <sys/appleapiopts.h>
 
-#ifdef __APPLE_API_PRIVATE
 /*
  * Kernel per-process accounting / statistics
  * (not necessarily resident except when running).
@@ -74,7 +73,7 @@
 struct pstats {
 #define	pstat_startzero	p_ru
 	struct	rusage p_ru;		/* stats for this proc */
-	struct	rusage p_cru;		/* sum of stats for reaped children */
+	struct	rusage p_cru;		/* (PL) sum of stats for reaped children */
 
 	struct uprof {			/* profile arguments */
 		struct uprof *pr_next;  /* multiple prof buffers allowed */
@@ -85,12 +84,9 @@ struct pstats {
 		u_long	pr_addr;	/* temp storage for addr until AST */
 		u_long	pr_ticks;	/* temp storage for ticks until AST */
 	} p_prof;
-#define	pstat_endzero	pstat_startcopy
+#define	pstat_endzero	p_start
 
-#define	pstat_startcopy	p_timer
-	struct	itimerval p_timer[3];	/* virtual-time timers */
-#define	pstat_endcopy	p_start
-	struct	timeval p_start;	/* starting time */
+	struct  timeval p_start;	/* starting time ; compat only */
 #ifdef KERNEL
 	struct user_uprof {			    /* profile arguments */
 		struct user_uprof *pr_next;  /* multiple prof buffers allowed */
@@ -112,11 +108,14 @@ struct pstats {
  * and a copy must be made for the child of a new fork that isn't
  * sharing modifications to the limits.
  */
+/* 
+ * Modifications are done with the list lock held (p_limit as well)and access indv 
+ * limits can be done without limit as we keep the old copy in p_olimit. Which is 
+ * dropped in proc_exit. This way all access will have a valid kernel address
+ */
 struct plimit {
 	struct	rlimit pl_rlimit[RLIM_NLIMITS];
-#define	PL_SHAREMOD	0x01		/* modifications are shared */
-	int	p_lflags;
-	int	p_refcnt;		/* number of references */
+	int	pl_refcnt;		/* number of references */
 };
 
 #ifdef KERNEL
@@ -133,9 +132,13 @@ void	 addupc_task(struct proc *p, user_addr_t pc, u_int ticks);
 void	 calcru(struct proc *p, struct timeval *up, struct timeval *sp,
 	    struct timeval *ip);
 void	 ruadd(struct rusage *ru, struct rusage *ru2);
-struct plimit *limcopy(struct plimit *lim);
+void proc_limitget(proc_t p, int whichi, struct rlimit * limp);
+void proc_limitdrop(proc_t p, int exiting);
+void proc_limitfork(proc_t parent, proc_t child);
+int proc_limitreplace(proc_t p);
+void proc_limitblock(proc_t);
+void proc_limitunblock(proc_t);
 #endif /* KERNEL */
 
-#endif /* __APPLE_API_PRIVATE */
 
 #endif	/* !_SYS_RESOURCEVAR_H_ */