aboutsummaryrefslogtreecommitdiffstats
path: root/library/python/symbols/libc/syms.cpp
blob: 56a89ecfbdce9eebb3a2930371d8a371e4f5974c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
#include <util/system/platform.h>

#include <library/python/symbols/registry/syms.h>

#if !defined(_MSC_VER)
#if __has_include(<aio.h>)
#include <aio.h>
#endif
#include <arpa/inet.h>
#include <dirent.h>
#include <ifaddrs.h>
#include <netdb.h>
#include <pthread.h>
#include <pwd.h>
#include <sched.h>
#include <semaphore.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
#include <sys/ipc.h>
#include <dlfcn.h>

#if defined(_linux_)
#include <sys/prctl.h>
#include <sys/ptrace.h>
#include <sys/sendfile.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
#endif

#if defined(_darwin_)
#include <sys/types.h>
#include <sys/sysctl.h>
#include <mach/mach_error.h> // Y_IGNORE
#include <mach/mach_time.h> // Y_IGNORE
#endif

#if defined(_linux_)
#include <sys/inotify.h>
#include <sys/mman.h>
#endif

namespace {
    static inline void* ErrnoLocation() {
        return &errno;
    }

    static int ClockGetres(clockid_t clk_id, struct timespec* res) {
#if defined(_darwin_)
        static auto func = (decltype(&ClockGetres))dlsym(RTLD_SELF, "_clock_getres");

        if (func) {
            return func(clk_id, res);
        }

        // https://opensource.apple.com/source/Libc/Libc-1158.1.2/gen/clock_gettime.c.auto.html

        switch (clk_id){
            case CLOCK_REALTIME:
            case CLOCK_MONOTONIC:
            case CLOCK_PROCESS_CPUTIME_ID:
                res->tv_nsec = NSEC_PER_USEC;
                res->tv_sec = 0;

                return 0;

            case CLOCK_MONOTONIC_RAW:
            case CLOCK_MONOTONIC_RAW_APPROX:
            case CLOCK_UPTIME_RAW:
            case CLOCK_UPTIME_RAW_APPROX:
            case CLOCK_THREAD_CPUTIME_ID: {
                mach_timebase_info_data_t tb_info;

                if (mach_timebase_info(&tb_info)) {
                    return -1;
                }

                res->tv_nsec = tb_info.numer / tb_info.denom + (tb_info.numer % tb_info.denom != 0);
                res->tv_sec = 0;

                return 0;
            }

            default:
                errno = EINVAL;
                return -1;
        }
#else
        return clock_getres(clk_id, res);
#endif
    }
}

BEGIN_SYMS("c")

SYM(calloc)
SYM(clock_gettime)
SYM_2("clock_getres", ClockGetres)
SYM(closedir)
SYM(fdopen)
SYM(fflush)
SYM(freeifaddrs)
SYM(ftok)
SYM(getifaddrs)
SYM(getnameinfo)
SYM(getpwnam)
SYM(inet_ntop)
SYM(opendir)
SYM(printf)
SYM(pthread_kill)
SYM(pthread_self)
SYM(readdir_r)
SYM(sem_close)
SYM(sem_getvalue)
SYM(sem_open)
SYM(sem_post)
SYM(sem_trywait)
SYM(sem_unlink)
SYM(sem_wait)
SYM(siginterrupt)
SYM(strdup)
SYM(sendfile)
SYM(strtod)
SYM_2("__errno_location", ErrnoLocation)

#if defined(_linux_)
SYM(prctl)
SYM(ptrace)
SYM(sched_getaffinity)
SYM(sched_setaffinity)
SYM(sem_timedwait)
SYM(inotify_init)
SYM(inotify_add_watch)
SYM(inotify_rm_watch)
SYM(mlockall)
SYM(malloc)
SYM(free)
#endif

#if defined(_darwin_)
SYM(mach_absolute_time)
SYM(mach_timebase_info)
SYM(sysctlbyname)
#endif

#if __has_include(<aio.h>)
SYM(aio_error)
SYM(aio_read)
SYM(aio_return)
SYM(aio_suspend)
#endif

END_SYMS()
#endif