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Location: libtransport.git/include/boost/dll/detail/posix/program_location_impl.hpp
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Twitter: Fix compilation with newer gcc
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 | // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright 2015 Antony Polukhin.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_DLL_DETAIL_POSIX_PROGRAM_LOCATION_IMPL_HPP
#define BOOST_DLL_DETAIL_POSIX_PROGRAM_LOCATION_IMPL_HPP
#include <boost/config.hpp>
#include <boost/dll/detail/system_error.hpp>
#include <boost/filesystem/path.hpp>
#include <boost/predef/os.h>
#ifdef BOOST_HAS_PRAGMA_ONCE
# pragma once
#endif
#if BOOST_OS_MACOS || BOOST_OS_IOS
#include <mach-o/dyld.h>
namespace boost { namespace dll { namespace detail {
inline boost::filesystem::path program_location_impl(boost::system::error_code &ec) {
char path[1024];
uint32_t size = sizeof(path);
if (_NSGetExecutablePath(path, &size) == 0)
return boost::filesystem::path(path);
char *p = new char[size];
if (_NSGetExecutablePath(p, &size) != 0) {
ec = boost::system::error_code(
boost::system::errc::bad_file_descriptor, // TODO: better error report
boost::system::generic_category()
);
}
boost::filesystem::path ret(p);
delete[] p;
return ret;
}
}}} // namespace boost::dll::detail
#elif BOOST_OS_SOLARIS
#include <stdlib.h>
namespace boost { namespace dll { namespace detail {
inline boost::filesystem::path program_location_impl(boost::system::error_code& ec) {
ec.clear();
return boost::filesystem::path(getexecname());
}
}}} // namespace boost::dll::detail
#elif BOOST_OS_BSD_FREE
#include <sys/types.h>
#include <sys/sysctl.h>
#include <stdlib.h>
namespace boost { namespace dll { namespace detail {
inline boost::filesystem::path program_location_impl(boost::system::error_code& ec) {
int mib[4];
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PATHNAME;
mib[3] = -1;
char buf[10240];
size_t cb = sizeof(buf);
sysctl(mib, 4, buf, &cb, NULL, 0);
ec.clear();
return boost::filesystem::path(buf);
}
}}} // namespace boost::dll::detail
#elif BOOST_OS_BSD_NET
#include <boost/filesystem/operations.hpp>
namespace boost { namespace dll { namespace detail {
inline boost::filesystem::path program_location_impl(boost::system::error_code &ec) {
return boost::filesystem::read_symlink("/proc/curproc/exe", ec);
}
}}} // namespace boost::dll::detail
#elif BOOST_OS_BSD_DRAGONFLY
#include <boost/filesystem/operations.hpp>
namespace boost { namespace dll { namespace detail {
inline boost::filesystem::path program_location_impl(boost::system::error_code &ec) {
return boost::filesystem::read_symlink("/proc/curproc/file", ec);
}
}}} // namespace boost::dll::detail
#else // BOOST_OS_LINUX || BOOST_OS_UNIX || BOOST_OS_QNX || BOOST_OS_HPUX || BOOST_OS_ANDROID
#include <boost/filesystem/operations.hpp>
namespace boost { namespace dll { namespace detail {
inline boost::filesystem::path program_location_impl(boost::system::error_code &ec) {
// We can not use
// boost::dll::detail::path_from_handle(dlopen(NULL, RTLD_LAZY | RTLD_LOCAL), ignore);
// because such code returns empty path.
return boost::filesystem::read_symlink("/proc/self/exe", ec); // Linux specific
}
}}} // namespace boost::dll::detail
#endif
#endif // BOOST_DLL_DETAIL_POSIX_PROGRAM_LOCATION_IMPL_HPP
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