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 13 typedef void *psaddr_t; 14 #define HAVE_PSADDR_T 1 15 16 typedef pid_t lwpid_t; 17 #define HAVE_LWPID_T 1 18 19 #define TD_THR_ANY_USER_FLAGS 0xffffffff 20 #define TD_THR_LOWEST_PRIORITY -20 21 #define TD_SIGNO_MASK NULL 22 23 /* td_err_e values */ 24 enum { 25 TD_OK, 26 TD_ERR, 27 TD_NOTHR, 28 TD_NOSV, 29 TD_NOLWP, 30 TD_BADPH, 31 TD_BADTH, 32 TD_BADSH, 33 TD_BADTA, 34 TD_BADKEY, 35 TD_NOMSG, 36 TD_NOFPREGS, 37 TD_NOLIBTHREAD, 38 TD_NOEVENT, 39 TD_NOCAPAB, 40 TD_DBERR, 41 TD_NOAPLIC, 42 TD_NOTSD, 43 TD_MALLOC, 44 TD_PARTIALREG, 45 TD_NOXREGS, 46 TD_VERSION 47 }; 48 49 /* 50 * td_event_e values 51 * NOTE: There is a max of 32 events 52 */ 53 enum { 54 TD_CREATE, 55 TD_DEATH 56 }; 57 58 /* td_thr_state_e values */ 59 enum { 60 TD_THR_ANY_STATE, 61 TD_THR_UNKNOWN, 62 TD_THR_SLEEP, 63 TD_THR_ZOMBIE 64 }; 65 66 typedef int32_t td_err_e; 67 typedef uint32_t td_event_e; 68 typedef uint32_t td_notify_e; 69 typedef uint32_t td_thr_state_e; 70 typedef pthread_t thread_t; 71 72 typedef struct 73 { 74 pid_t pid; 75 struct ps_prochandle *ph; 76 } td_thragent_t; 77 78 typedef struct 79 { 80 pid_t pid; 81 pid_t tid; 82 } td_thrhandle_t; 83 84 typedef struct 85 { 86 td_event_e event; 87 td_thrhandle_t const * th_p; 88 union { 89 void * data; 90 } msg; 91 } td_event_msg_t; 92 93 typedef struct 94 { 95 uint32_t events; 96 } td_thr_events_t; 97 98 typedef struct 99 { 100 union { 101 void * bptaddr; 102 } u; 103 } td_notify_t; 104 105 typedef struct 106 { 107 td_thr_state_e ti_state; 108 thread_t ti_tid; // pthread's id for the thread 109 int32_t ti_lid; // the kernel's id for the thread 110 } td_thrinfo_t; 111 112 113 #define td_event_emptyset(set) \ 114 (set)->events = 0 115 116 #define td_event_fillset(set) \ 117 (set)->events = 0xffffffff 118 119 #define td_event_addset(set, n) \ 120 (set)->events |= (1 << n) 121 122 123 typedef int td_thr_iter_f(td_thrhandle_t const *, void *); 124 125 126 struct ps_prochandle; 127 128 #ifdef __cplusplus 129 extern "C"{ 130 #endif 131 132 extern td_err_e td_ta_new(struct ps_prochandle * proc_handle, td_thragent_t ** thread_agent); 133 134 extern td_err_e td_ta_delete(td_thragent_t * ta); 135 136 extern td_err_e td_ta_set_event(td_thragent_t const * agent, td_thr_events_t * event); 137 138 extern td_err_e td_ta_event_addr(td_thragent_t const * agent, td_event_e event, td_notify_t * notify); 139 140 extern td_err_e td_ta_clear_event(const td_thragent_t * ta_arg, 141 td_thr_events_t * event); 142 143 extern td_err_e td_ta_event_getmsg(td_thragent_t const * agent, td_event_msg_t * event); 144 145 extern td_err_e td_ta_map_lwp2thr(td_thragent_t const * agent, lwpid_t lwpid, 146 td_thrhandle_t *th); 147 148 extern td_err_e td_thr_get_info(td_thrhandle_t const * handle, 149 td_thrinfo_t * info); 150 151 extern td_err_e td_thr_event_enable(td_thrhandle_t const * handle, 152 td_event_e event); 153 154 extern td_err_e td_ta_thr_iter(td_thragent_t const * agent, td_thr_iter_f * func, void * cookie, 155 td_thr_state_e state, int32_t prio, sigset_t * sigmask, uint32_t user_flags); 156 157 extern char const ** td_symbol_list(void); 158 159 extern td_err_e td_thr_event_enable(td_thrhandle_t const * handle, td_event_e event); 160 161 extern td_err_e td_thr_get_info(td_thrhandle_t const * handle, td_thrinfo_t * info); 162 163 extern td_err_e td_thr_tls_get_addr(const td_thrhandle_t * th, 164 psaddr_t map_address, size_t offset, 165 psaddr_t * address); 166 167 #ifdef __cplusplus 168 } 169 #endif 170 171 #endif 172
