intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

2 files changed, 176 insertions, 0 deletions

diff --git a/library/python/symbols/libc/syms.cpp b/library/python/symbols/libc/syms.cpp
new file mode 100644
index 0000000000..6c04a7ef6e
--- /dev/null
+++ b/library/python/symbols/libc/syms.cpp
@@ -0,0 +1,157 @@
+#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)
+#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
diff --git a/library/python/symbols/libc/ya.make b/library/python/symbols/libc/ya.make
new file mode 100644
index 0000000000..7b84cbc961
--- /dev/null
+++ b/library/python/symbols/libc/ya.make
@@ -0,0 +1,19 @@
+LIBRARY()
+
+OWNER(pg orivej)
+
+PEERDIR(
+    library/python/symbols/registry
+)
+
+IF (GCC OR CLANG)
+    CFLAGS(
+        -Wno-deprecated-declarations # For sem_getvalue.
+    )
+ENDIF()
+
+SRCS(
+    GLOBAL syms.cpp
+)
+
+END()