1 /* 2 * Copyright 2006 The Android Open Source Project 3 */ 4 5 #ifndef _LIBTHREAD_DB__THREAD_DB_H 6 #define _LIBTHREAD_DB__THREAD_DB_H 7 8 #include <pthread.h> 9 #include <signal.h> 10 #include <stdint.h> 11 #include <sys/types.h> 12 #include <sys/procfs.h> 13 14 #define TD_THR_ANY_USER_FLAGS 0xffffffff 15 #define TD_THR_LOWEST_PRIORITY -20 16 #define TD_SIGNO_MASK NULL 17 18 /* td_err_e values */ 19 enum { 20 TD_OK, 21 TD_ERR, 22 TD_NOTHR, 23 TD_NOSV, 24 TD_NOLWP, 25 TD_BADPH, 26 TD_BADTH, 27 TD_BADSH, 28 TD_BADTA, 29 TD_BADKEY, 30 TD_NOMSG, 31 TD_NOFPREGS, 32 TD_NOLIBTHREAD, 33 TD_NOEVENT, 34 TD_NOCAPAB, 35 TD_DBERR, 36 TD_NOAPLIC, 37 TD_NOTSD, 38 TD_MALLOC, 39 TD_PARTIALREG, 40 TD_NOXREGS, 41 TD_VERSION 42 }; 43 44 /* 45 * td_event_e values 46 * NOTE: There is a max of 32 events 47 */ 48 enum { 49 TD_CREATE, 50 TD_DEATH 51 }; 52 53 /* td_thr_state_e values */ 54 enum { 55 TD_THR_ANY_STATE, 56 TD_THR_UNKNOWN, 57 TD_THR_SLEEP, 58 TD_THR_ZOMBIE 59 }; 60 61 typedef int32_t td_err_e; 62 typedef uint32_t td_event_e; 63 typedef uint32_t td_notify_e; 64 typedef uint32_t td_thr_state_e; 65 typedef pthread_t thread_t; 66 67 typedef struct 68 { 69 pid_t pid; 70 struct ps_prochandle *ph; 71 } td_thragent_t; 72 73 typedef struct 74 { 75 pid_t pid; 76 pid_t tid; 77 } td_thrhandle_t; 78 79 typedef struct 80 { 81 td_event_e event; 82 td_thrhandle_t const * th_p; 83 union { 84 void * data; 85 } msg; 86 } td_event_msg_t; 87 88 typedef struct 89 { 90 uint32_t events; 91 } td_thr_events_t; 92 93 typedef struct 94 { 95 union { 96 void * bptaddr; 97 } u; 98 } td_notify_t; 99 100 typedef struct 101 { 102 td_thr_state_e ti_state; 103 thread_t ti_tid; // pthread's id for the thread 104 int32_t ti_lid; // the kernel's id for the thread 105 } td_thrinfo_t; 106 107 108 #define td_event_emptyset(set) \ 109 (set)->events = 0 110 111 #define td_event_fillset(set) \ 112 (set)->events = 0xffffffff 113 114 #define td_event_addset(set, n) \ 115 (set)->events |= (1 << n) 116 117 118 typedef int td_thr_iter_f(td_thrhandle_t const *, void *); 119 120 121 struct ps_prochandle; 122 123 #ifdef __cplusplus 124 extern "C"{ 125 #endif 126 127 extern td_err_e td_ta_new(struct ps_prochandle * proc_handle, td_thragent_t ** thread_agent); 128 129 extern td_err_e td_ta_delete(td_thragent_t * ta); 130 131 extern td_err_e td_ta_set_event(td_thragent_t const * agent, td_thr_events_t * event); 132 133 extern td_err_e td_ta_event_addr(td_thragent_t const * agent, td_event_e event, td_notify_t * notify); 134 135 extern td_err_e td_ta_clear_event(const td_thragent_t * ta_arg, 136 td_thr_events_t * event); 137 138 extern td_err_e td_ta_event_getmsg(td_thragent_t const * agent, td_event_msg_t * event); 139 140 extern td_err_e td_ta_map_lwp2thr(td_thragent_t const * agent, lwpid_t lwpid, 141 td_thrhandle_t *th); 142 143 extern td_err_e td_thr_get_info(td_thrhandle_t const * handle, 144 td_thrinfo_t * info); 145 146 extern td_err_e td_thr_event_enable(td_thrhandle_t const * handle, 147 td_event_e event); 148 149 extern td_err_e td_ta_thr_iter(td_thragent_t const * agent, td_thr_iter_f * func, void * cookie, 150 td_thr_state_e state, int32_t prio, sigset_t * sigmask, uint32_t user_flags); 151 152 extern td_err_e td_thr_event_enable(td_thrhandle_t const * handle, td_event_e event); 153 154 extern td_err_e td_thr_get_info(td_thrhandle_t const * handle, td_thrinfo_t * info); 155 156 extern char const ** td_symbol_list(void); 157 158 extern td_err_e td_thr_tls_get_addr(const td_thrhandle_t * th, 159 psaddr_t map_address, size_t offset, 160 psaddr_t * address); 161 162 #ifdef __cplusplus 163 } 164 #endif 165 166 #endif 167
