1 /******************************************************************************/ 2 #ifdef JEMALLOC_H_TYPES 3 4 typedef struct ctl_node_s ctl_node_t; 5 typedef struct ctl_named_node_s ctl_named_node_t; 6 typedef struct ctl_indexed_node_s ctl_indexed_node_t; 7 typedef struct ctl_arena_stats_s ctl_arena_stats_t; 8 typedef struct ctl_stats_s ctl_stats_t; 9 10 #endif /* JEMALLOC_H_TYPES */ 11 /******************************************************************************/ 12 #ifdef JEMALLOC_H_STRUCTS 13 14 struct ctl_node_s { 15 bool named; 16 }; 17 18 struct ctl_named_node_s { 19 struct ctl_node_s node; 20 const char *name; 21 /* If (nchildren == 0), this is a terminal node. */ 22 unsigned nchildren; 23 const ctl_node_t *children; 24 int (*ctl)(const size_t *, size_t, void *, size_t *, 25 void *, size_t); 26 }; 27 28 struct ctl_indexed_node_s { 29 struct ctl_node_s node; 30 const ctl_named_node_t *(*index)(const size_t *, size_t, size_t); 31 }; 32 33 struct ctl_arena_stats_s { 34 bool initialized; 35 unsigned nthreads; 36 const char *dss; 37 size_t pactive; 38 size_t pdirty; 39 arena_stats_t astats; 40 41 /* Aggregate stats for small size classes, based on bin stats. */ 42 size_t allocated_small; 43 uint64_t nmalloc_small; 44 uint64_t ndalloc_small; 45 uint64_t nrequests_small; 46 47 malloc_bin_stats_t bstats[NBINS]; 48 malloc_large_stats_t *lstats; /* nlclasses elements. */ 49 }; 50 51 struct ctl_stats_s { 52 size_t allocated; 53 size_t active; 54 size_t mapped; 55 struct { 56 size_t current; /* stats_chunks.curchunks */ 57 uint64_t total; /* stats_chunks.nchunks */ 58 size_t high; /* stats_chunks.highchunks */ 59 } chunks; 60 unsigned narenas; 61 ctl_arena_stats_t *arenas; /* (narenas + 1) elements. */ 62 }; 63 64 #endif /* JEMALLOC_H_STRUCTS */ 65 /******************************************************************************/ 66 #ifdef JEMALLOC_H_EXTERNS 67 68 int ctl_byname(const char *name, void *oldp, size_t *oldlenp, void *newp, 69 size_t newlen); 70 int ctl_nametomib(const char *name, size_t *mibp, size_t *miblenp); 71 72 int ctl_bymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 73 void *newp, size_t newlen); 74 bool ctl_boot(void); 75 void ctl_prefork(void); 76 void ctl_postfork_parent(void); 77 void ctl_postfork_child(void); 78 79 #define xmallctl(name, oldp, oldlenp, newp, newlen) do { \ 80 if (je_mallctl(name, oldp, oldlenp, newp, newlen) \ 81 != 0) { \ 82 malloc_printf( \ 83 "<jemalloc>: Failure in xmallctl(\"%s\", ...)\n", \ 84 name); \ 85 abort(); \ 86 } \ 87 } while (0) 88 89 #define xmallctlnametomib(name, mibp, miblenp) do { \ 90 if (je_mallctlnametomib(name, mibp, miblenp) != 0) { \ 91 malloc_printf("<jemalloc>: Failure in " \ 92 "xmallctlnametomib(\"%s\", ...)\n", name); \ 93 abort(); \ 94 } \ 95 } while (0) 96 97 #define xmallctlbymib(mib, miblen, oldp, oldlenp, newp, newlen) do { \ 98 if (je_mallctlbymib(mib, miblen, oldp, oldlenp, newp, \ 99 newlen) != 0) { \ 100 malloc_write( \ 101 "<jemalloc>: Failure in xmallctlbymib()\n"); \ 102 abort(); \ 103 } \ 104 } while (0) 105 106 #endif /* JEMALLOC_H_EXTERNS */ 107 /******************************************************************************/ 108 #ifdef JEMALLOC_H_INLINES 109 110 #endif /* JEMALLOC_H_INLINES */ 111 /******************************************************************************/ 112 113