minix/llvm/include/common/util/stdlib.h

   1 #ifndef _UTIL_STDLIB_H
   2 #define _UTIL_STDLIB_H
   3
   4 #include "util_def.h"
   5
   6 #include <string.h>
   7
   8 typedef struct util_stdlib_s {
   9     int id;
  10     char *name;
  11     unsigned long flags;
  12 } util_stdlib_t;
  13
  14 typedef enum util_stdlib_id_e {
  15     STDLIB_ACCEPT = 0,
  16     STDLIB_ACCEPT4,
  17     STDLIB_BIND,
  18     STDLIB_BRK,
  19     STDLIB_CALLOC,
  20     STDLIB_EPOLL_CREATE,
  21     STDLIB_EPOLL_CREATE1,
  22     STDLIB_EPOLL_WAIT,
  23     STDLIB_FREE,
  24     STDLIB_GETSOCKOPT,
  25     STDLIB_KILL,
  26     STDLIB_LISTEN,
  27     STDLIB_MALLOC,
  28     STDLIB_MEMALIGN,
  29     STDLIB_MMAP,
  30     STDLIB_MMAP64,
  31     STDLIB_MUNMAP,
  32     STDLIB_POLL,
  33     STDLIB_POSIX_MEMALIGN,
  34     STDLIB_PPOLL,
  35     STDLIB_PTHREAD_COND_WAIT,
  36     STDLIB_PTHREAD_COND_TIMEDWAIT,
  37     STDLIB_PTHREAD_JOIN,
  38     STDLIB_READ,
  39     STDLIB_REALLOC,
  40     STDLIB_RECV,
  41     STDLIB_RECVFROM,
  42     STDLIB_RECVMSG,
  43     STDLIB_SBRK,
  44     STDLIB_SELECT,
  45     STDLIB_SEMOP,
  46     STDLIB_SEMTIMEDOP,
  47     STDLIB_SETSOCKOPT,
  48     STDLIB_SHMAT,
  49     STDLIB_SHMDT,
  50     STDLIB_SIGSUSPEND,
  51     STDLIB_SIGTIMEDWAIT,
  52     STDLIB_SIGWAITINFO,
  53     STDLIB_SLEEP,
  54     STDLIB_SOCKET,
  55     STDLIB_USLEEP,
  56     STDLIB_VALLOC,
  57     STDLIB_WAITPID,
  58     __NUM_STDLIBS_IDS
  59 } util_stdlib_id_t;
  60
  61 typedef enum util_stdlib_flag_e {
  62     STLIB_BLOCK_EXT = 0,
  63     STLIB_BLOCK_INT,
  64     __NUM_STDLIBS_FLAGS
  65 } util_stdlib_flag_t;
  66 #define _UTIL_STLIB_FLAGS_STR    "ei"
  67
  68 #define _UTIL_STLIB_FLAG(F) (1 << (F))
  69 #define _UTIL_STLIB_BLOCK_MASK \
  70     (_UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)|_UTIL_STLIB_FLAG(STLIB_BLOCK_INT))
  71
  72 #define _UTIL_STLIB_FLAGS_STR_BUFF_SIZE (__NUM_STDLIBS_FLAGS+1)
  73 #define _UTIL_STLIB_FLAG_C(F, E) \
  74     (((F) & _UTIL_STLIB_FLAG(E)) ? _UTIL_STLIB_FLAGS_STR[E] : '-')
  75
  76 #define _UTIL_STDLIB_DEF(ID, N, F) { (ID), (N), (F) }
  77 #define _UTIL_STDLIBS_INITIALIZER { \
  78     _UTIL_STDLIB_DEF(STDLIB_ACCEPT,                 "accept",                 _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
  79     _UTIL_STDLIB_DEF(STDLIB_ACCEPT4,                "accept4",                _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
  80     _UTIL_STDLIB_DEF(STDLIB_BIND,                   "bind",                   0), \
  81     _UTIL_STDLIB_DEF(STDLIB_BRK,                    "brk",                    0), \
  82     _UTIL_STDLIB_DEF(STDLIB_CALLOC,                 "calloc",                 0), \
  83     _UTIL_STDLIB_DEF(STDLIB_EPOLL_CREATE,           "epoll_create",           0), \
  84     _UTIL_STDLIB_DEF(STDLIB_EPOLL_CREATE1,          "epoll_create1",          0), \
  85     _UTIL_STDLIB_DEF(STDLIB_EPOLL_WAIT,             "epoll_wait",             _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
  86     _UTIL_STDLIB_DEF(STDLIB_FREE,                   "free",                   0), \
  87     _UTIL_STDLIB_DEF(STDLIB_GETSOCKOPT,             "getsockopt",             0), \
  88     _UTIL_STDLIB_DEF(STDLIB_KILL,                   "kill",                   0), \
  89     _UTIL_STDLIB_DEF(STDLIB_LISTEN,                 "listen",                 0), \
  90     _UTIL_STDLIB_DEF(STDLIB_MALLOC,                 "malloc",                 0), \
  91     _UTIL_STDLIB_DEF(STDLIB_MEMALIGN,               "memalign",               0), \
  92     _UTIL_STDLIB_DEF(STDLIB_MMAP,                   "mmap",                   0), \
  93     _UTIL_STDLIB_DEF(STDLIB_MMAP64,                 "mmap64",                 0), \
  94     _UTIL_STDLIB_DEF(STDLIB_MUNMAP,                 "munmap",                 0), \
  95     _UTIL_STDLIB_DEF(STDLIB_POLL,                   "poll",                   _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
  96     _UTIL_STDLIB_DEF(STDLIB_POSIX_MEMALIGN,         "posix_memalign",         0), \
  97     _UTIL_STDLIB_DEF(STDLIB_PPOLL,                  "ppoll",                  _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
  98     _UTIL_STDLIB_DEF(STDLIB_PTHREAD_COND_WAIT,      "pthread_cond_wait",      _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
  99     _UTIL_STDLIB_DEF(STDLIB_PTHREAD_COND_TIMEDWAIT, "pthread_cond_timedwait", _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 100     _UTIL_STDLIB_DEF(STDLIB_PTHREAD_JOIN,           "pthread_join",           _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 101     _UTIL_STDLIB_DEF(STDLIB_READ,                   "read",                   _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 102     _UTIL_STDLIB_DEF(STDLIB_REALLOC,                "realloc",                0), \
 103     _UTIL_STDLIB_DEF(STDLIB_RECV,                   "recv",                   _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 104     _UTIL_STDLIB_DEF(STDLIB_RECVFROM,               "recvfrom",               _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 105     _UTIL_STDLIB_DEF(STDLIB_RECVMSG,                "recvsmg",                _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 106     _UTIL_STDLIB_DEF(STDLIB_SBRK,                   "sbrk",                   0), \
 107     _UTIL_STDLIB_DEF(STDLIB_SELECT,                 "select",                 _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 108     _UTIL_STDLIB_DEF(STDLIB_SEMOP,                  "semop",                  _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 109     _UTIL_STDLIB_DEF(STDLIB_SEMTIMEDOP,             "semtimedop",             _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 110     _UTIL_STDLIB_DEF(STDLIB_SETSOCKOPT,             "setsockopt",             0), \
 111     _UTIL_STDLIB_DEF(STDLIB_SHMAT,                  "shmat",                  0), \
 112     _UTIL_STDLIB_DEF(STDLIB_SHMDT,                  "shmdt",                  0), \
 113     _UTIL_STDLIB_DEF(STDLIB_SIGSUSPEND,             "sigsuspend",             _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 114     _UTIL_STDLIB_DEF(STDLIB_SIGTIMEDWAIT,           "sigtimedwait",           _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 115     _UTIL_STDLIB_DEF(STDLIB_SIGWAITINFO,            "sigwaitinfo",            _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)), \
 116     _UTIL_STDLIB_DEF(STDLIB_SLEEP,                  "sleep",                  _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 117     _UTIL_STDLIB_DEF(STDLIB_SOCKET,                 "socket",                 0), \
 118     _UTIL_STDLIB_DEF(STDLIB_USLEEP,                 "usleep",                 _UTIL_STLIB_FLAG(STLIB_BLOCK_EXT)), \
 119     _UTIL_STDLIB_DEF(STDLIB_VALLOC,                 "valloc",                 0), \
 120     _UTIL_STDLIB_DEF(STDLIB_WAITPID,                "waitpid",                _UTIL_STLIB_FLAG(STLIB_BLOCK_INT)) \
 121 }
 122
 123 static inline util_stdlib_t* util_stdlib_lookup_by_name(const char *name, util_stdlib_t *stlib_arr)
 124 {
 125     int i;
 126     for (i=0;i<__NUM_STDLIBS_IDS;i++) {
 127         if (!strcmp(name, stlib_arr[i].name)) {
 128             return &stlib_arr[i];
 129         }
 130     }
 131
 132     return NULL;
 133 }
 134
 135 static inline char* util_stdlib_flags_to_str(unsigned long flags,
 136     char* buffer)
 137 {
 138     int i;
 139     for(i=0;i<__NUM_STDLIBS_FLAGS;i++) {
 140         buffer[i] = _UTIL_STLIB_FLAG_C(flags, i);
 141     }
 142     buffer[i] = '\0';
 143
 144     return buffer;
 145 }
 146
 147 #endif /* _UTIL_STDLIB_H */
 148