xnu-7195.60.75.tar.gz

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

diff --git a/bsd/sys/kern_memorystatus.h b/bsd/sys/kern_memorystatus.h
index 48b03e0de3b1abdee62aa34d0ed69fb5efd409e3..4cbfd6b8f0c4ccae1e95c7428e868a146df620e6 100644 (file)
--- a/bsd/sys/kern_memorystatus.h
+++ b/bsd/sys/kern_memorystatus.h
@@ -161,6 +161,20 @@ typedef struct memorystatus_kernel_stats {
        char     largest_zone_name[MACH_ZONE_NAME_MAX_LEN];
 } memorystatus_kernel_stats_t;
 
+typedef enum memorystatus_freeze_skip_reason {
+       kMemorystatusFreezeSkipReasonNone = 0,
+       kMemorystatusFreezeSkipReasonExcessSharedMemory = 1,
+       kMemorystatusFreezeSkipReasonLowPrivateSharedRatio = 2,
+       kMemorystatusFreezeSkipReasonNoCompressorSpace = 3,
+       kMemorystatusFreezeSkipReasonNoSwapSpace = 4,
+       kMemorystatusFreezeSkipReasonBelowMinPages = 5,
+       kMemorystatusFreezeSkipReasonLowProbOfUse = 6,
+       kMemorystatusFreezeSkipReasonOther = 7,
+       kMemorystatusFreezeSkipReasonOutOfBudget = 8,
+       kMemorystatusFreezeSkipReasonOutOfSlots = 9,
+       kMemorystatusFreezeSkipReasonDisabled = 10,
+       _kMemorystatusFreezeSkipReasonMax
+} memorystatus_freeze_skip_reason_t;
 /*
 ** This is a variable-length struct.
 ** Allocate a buffer of the size returned by the sysctl, cast to a memorystatus_snapshot_t *
@@ -172,6 +186,7 @@ typedef struct jetsam_snapshot_entry {
        int32_t  priority;
        uint32_t state;
        uint32_t fds;
+       memorystatus_freeze_skip_reason_t jse_freeze_skip_reason; /* why wasn't this process frozen? */
        uint8_t  uuid[16];
        uint64_t user_data;
        uint64_t killed;
@@ -352,6 +367,8 @@ int memorystatus_control(uint32_t command, int32_t pid, uint32_t flags, void *bu
 #define MEMORYSTATUS_CMD_SET_JETSAM_SNAPSHOT_OWNERSHIP 23 /* Used by unit tests in the development kernel only. */
 #endif /* PRIVATE */
 
+#define MEMORYSTATUS_CMD_GET_PROCESS_IS_FROZEN 24 /* Check if the process is frozen. */
+
 /* Commands that act on a group of processes */
 #define MEMORYSTATUS_CMD_GRP_SET_PROPERTIES           100
 
@@ -505,7 +522,6 @@ typedef struct memorystatus_memlimit_properties2 {
 #define P_MEMSTAT_PRIORITY_ASSERTION              0x00020000   /* jetsam priority is being driven by an assertion */
 #define P_MEMSTAT_FREEZE_CONSIDERED               0x00040000   /* This process has been considered for the freezer. */
 
-
 /*
  * p_memstat_relaunch_flags holds
  *      - relaunch behavior when jetsammed