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Differential D32360 Diff 96932 sys/sys/proc.h

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sys/sys/proc.h

Show First 20 Lines • Show All 833 Lines • ▼ Show 20 Lines#define P2_STKGAP_DISABLE 0x00000800 /* Disable stack gap for
MAP_STACK */ MAP_STACK */
#define P2_STKGAP_DISABLE_EXEC 0x00001000 /* Stack gap disabled #define P2_STKGAP_DISABLE_EXEC 0x00001000 /* Stack gap disabled
after exec */ after exec */
#define P2_ITSTOPPED 0x00002000 #define P2_ITSTOPPED 0x00002000
#define P2_PTRACEREQ 0x00004000 /* Active ptrace req */ #define P2_PTRACEREQ 0x00004000 /* Active ptrace req */
#define P2_NO_NEW_PRIVS 0x00008000 /* Ignore setuid */ #define P2_NO_NEW_PRIVS 0x00008000 /* Ignore setuid */
#define P2_WXORX_DISABLE 0x00010000 /* WX mappings enabled */ #define P2_WXORX_DISABLE 0x00010000 /* WX mappings enabled */
#define P2_WXORX_ENABLE_EXEC 0x00020000 /* WXORX enabled after exec */ #define P2_WXORX_ENABLE_EXEC 0x00020000 /* WXORX enabled after exec */
#define P2_MEMBAR_PRIVE 0x00040000 /* membar private expedited
theravenUnsubmitted
Done
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Please can we have comments that explain what each of these are for?

theraven: Please can we have comments that explain what each of these are for?
registered */
markjUnsubmitted
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Is it intentional that these have the same value? I presume that the membarrier()'s "registration" verbs exist to handle races where the initiating thread fails to observe a concurrent pm_active modification by another thread that is switching on to a CPU.

markj: Is it intentional that these have the same value? I presume that the membarrier()'s…
kibAuthorUnsubmitted
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No, it is a stupidity.

kib: No, it is a stupidity.
#define P2_MEMBAR_PRIVE_SYNCORE 0x00080000 /* membar private expedited
sync core registered */
#define P2_MEMBAR_GLOBE 0x00100000 /* membar global expedited
registered */
/* Flags protected by proctree_lock, kept in p_treeflags. */ /* Flags protected by proctree_lock, kept in p_treeflags. */
#define P_TREE_ORPHANED 0x00000001 /* Reparented, on orphan list */ #define P_TREE_ORPHANED 0x00000001 /* Reparented, on orphan list */
#define P_TREE_FIRST_ORPHAN 0x00000002 /* First element of orphan #define P_TREE_FIRST_ORPHAN 0x00000002 /* First element of orphan
list */ list */
#define P_TREE_REAPER 0x00000004 /* Reaper of subtree */ #define P_TREE_REAPER 0x00000004 /* Reaper of subtree */
#define P_TREE_GRPEXITED 0x00000008 /* exit1() done with job ctl */ #define P_TREE_GRPEXITED 0x00000008 /* exit1() done with job ctl */
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struct thread *tdfind(lwpid_t, pid_t); struct thread *tdfind(lwpid_t, pid_t);
void threadinit(void); void threadinit(void);
void tidhash_add(struct thread *); void tidhash_add(struct thread *);
void tidhash_remove(struct thread *); void tidhash_remove(struct thread *);
void cpu_idle(int); void cpu_idle(int);
int cpu_idle_wakeup(int); int cpu_idle_wakeup(int);
extern void (*cpu_idle_hook)(sbintime_t); /* Hook to machdep CPU idler. */ extern void (*cpu_idle_hook)(sbintime_t); /* Hook to machdep CPU idler. */
void cpu_switch(struct thread *, struct thread *, struct mtx *); void cpu_switch(struct thread *, struct thread *, struct mtx *);
void cpu_sync_core(void);
void cpu_throw(struct thread *, struct thread *) __dead2; void cpu_throw(struct thread *, struct thread *) __dead2;
bool curproc_sigkilled(void); bool curproc_sigkilled(void);
void userret(struct thread *, struct trapframe *); void userret(struct thread *, struct trapframe *);
void cpu_exit(struct thread *); void cpu_exit(struct thread *);
void exit1(struct thread *, int, int) __dead2; void exit1(struct thread *, int, int) __dead2;
void cpu_copy_thread(struct thread *td, struct thread *td0); void cpu_copy_thread(struct thread *td, struct thread *td0);
bool cpu_exec_vmspace_reuse(struct proc *p, struct vm_map *map); bool cpu_exec_vmspace_reuse(struct proc *p, struct vm_map *map);
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