Mercurial > hg > graal-compiler
view src/os/bsd/vm/os_bsd.inline.hpp @ 15108:b6711b514576
Remove LoopBeginNode loopBegin() from Loop.
author | Josef Eisl <josef.eisl@jku.at> |
---|---|
date | Wed, 09 Apr 2014 17:38:16 +0200 |
parents | 4ca6dc0799b6 |
children | 7848fc12602b |
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/* * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef OS_BSD_VM_OS_BSD_INLINE_HPP #define OS_BSD_VM_OS_BSD_INLINE_HPP #include "runtime/atomic.inline.hpp" #include "runtime/os.hpp" #ifdef TARGET_OS_ARCH_bsd_x86 # include "orderAccess_bsd_x86.inline.hpp" #endif #ifdef TARGET_OS_ARCH_bsd_zero # include "orderAccess_bsd_zero.inline.hpp" #endif // System includes #include <unistd.h> #include <sys/socket.h> #include <sys/poll.h> #include <netdb.h> inline void* os::thread_local_storage_at(int index) { return pthread_getspecific((pthread_key_t)index); } inline const char* os::file_separator() { return "/"; } inline const char* os::line_separator() { return "\n"; } inline const char* os::path_separator() { return ":"; } // File names are case-sensitive on windows only inline int os::file_name_strcmp(const char* s1, const char* s2) { return strcmp(s1, s2); } inline bool os::obsolete_option(const JavaVMOption *option) { return false; } inline bool os::uses_stack_guard_pages() { return true; } inline bool os::allocate_stack_guard_pages() { assert(uses_stack_guard_pages(), "sanity check"); #if !defined(__FreeBSD__) || __FreeBSD__ < 5 // Since FreeBSD 4 uses malloc() for allocating the thread stack // there is no need to do anything extra to allocate the guard pages return false; #else // FreeBSD 5+ uses mmap MAP_STACK for allocating the thread stacks. // Must 'allocate' them or guard pages are ignored. return true; #endif } // On Bsd, reservations are made on a page by page basis, nothing to do. inline void os::pd_split_reserved_memory(char *base, size_t size, size_t split, bool realloc) { } // Bang the shadow pages if they need to be touched to be mapped. inline void os::bang_stack_shadow_pages() { } inline void os::dll_unload(void *lib) { ::dlclose(lib); } inline const int os::default_file_open_flags() { return 0;} inline DIR* os::opendir(const char* dirname) { assert(dirname != NULL, "just checking"); return ::opendir(dirname); } inline int os::readdir_buf_size(const char *path) { return NAME_MAX + sizeof(dirent) + 1; } inline jlong os::lseek(int fd, jlong offset, int whence) { return (jlong) ::lseek(fd, offset, whence); } inline int os::fsync(int fd) { return ::fsync(fd); } inline char* os::native_path(char *path) { return path; } inline int os::ftruncate(int fd, jlong length) { return ::ftruncate(fd, length); } inline struct dirent* os::readdir(DIR* dirp, dirent *dbuf) { dirent* p; int status; assert(dirp != NULL, "just checking"); // NOTE: Bsd readdir_r (on RH 6.2 and 7.2 at least) is NOT like the POSIX // version. Here is the doc for this function: // http://www.gnu.org/manual/glibc-2.2.3/html_node/libc_262.html if((status = ::readdir_r(dirp, dbuf, &p)) != 0) { errno = status; return NULL; } else return p; } inline int os::closedir(DIR *dirp) { assert(dirp != NULL, "argument is NULL"); return ::closedir(dirp); } // macros for restartable system calls #define RESTARTABLE(_cmd, _result) do { \ _result = _cmd; \ } while(((int)_result == OS_ERR) && (errno == EINTR)) #define RESTARTABLE_RETURN_INT(_cmd) do { \ int _result; \ RESTARTABLE(_cmd, _result); \ return _result; \ } while(false) inline bool os::numa_has_static_binding() { return true; } inline bool os::numa_has_group_homing() { return false; } inline size_t os::restartable_read(int fd, void *buf, unsigned int nBytes) { size_t res; RESTARTABLE( (size_t) ::read(fd, buf, (size_t) nBytes), res); return res; } inline size_t os::write(int fd, const void *buf, unsigned int nBytes) { size_t res; RESTARTABLE((size_t) ::write(fd, buf, (size_t) nBytes), res); return res; } inline int os::close(int fd) { return ::close(fd); } inline int os::socket_close(int fd) { return ::close(fd); } inline int os::socket(int domain, int type, int protocol) { return ::socket(domain, type, protocol); } inline int os::recv(int fd, char* buf, size_t nBytes, uint flags) { RESTARTABLE_RETURN_INT(::recv(fd, buf, nBytes, flags)); } inline int os::send(int fd, char* buf, size_t nBytes, uint flags) { RESTARTABLE_RETURN_INT(::send(fd, buf, nBytes, flags)); } inline int os::raw_send(int fd, char* buf, size_t nBytes, uint flags) { return os::send(fd, buf, nBytes, flags); } inline int os::timeout(int fd, long timeout) { julong prevtime,newtime; struct timeval t; gettimeofday(&t, NULL); prevtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; for(;;) { struct pollfd pfd; pfd.fd = fd; pfd.events = POLLIN | POLLERR; int res = ::poll(&pfd, 1, timeout); if (res == OS_ERR && errno == EINTR) { // On Bsd any value < 0 means "forever" if(timeout >= 0) { gettimeofday(&t, NULL); newtime = ((julong)t.tv_sec * 1000) + t.tv_usec / 1000; timeout -= newtime - prevtime; if(timeout <= 0) return OS_OK; prevtime = newtime; } } else return res; } } inline int os::listen(int fd, int count) { return ::listen(fd, count); } inline int os::connect(int fd, struct sockaddr* him, socklen_t len) { RESTARTABLE_RETURN_INT(::connect(fd, him, len)); } inline int os::accept(int fd, struct sockaddr* him, socklen_t* len) { // At least OpenBSD and FreeBSD can return EINTR from accept. RESTARTABLE_RETURN_INT(::accept(fd, him, len)); } inline int os::recvfrom(int fd, char* buf, size_t nBytes, uint flags, sockaddr* from, socklen_t* fromlen) { RESTARTABLE_RETURN_INT((int)::recvfrom(fd, buf, nBytes, flags, from, fromlen)); } inline int os::sendto(int fd, char* buf, size_t len, uint flags, struct sockaddr *to, socklen_t tolen) { RESTARTABLE_RETURN_INT((int)::sendto(fd, buf, len, flags, to, tolen)); } inline int os::socket_shutdown(int fd, int howto) { return ::shutdown(fd, howto); } inline int os::bind(int fd, struct sockaddr* him, socklen_t len) { return ::bind(fd, him, len); } inline int os::get_sock_name(int fd, struct sockaddr* him, socklen_t* len) { return ::getsockname(fd, him, len); } inline int os::get_host_name(char* name, int namelen) { return ::gethostname(name, namelen); } inline struct hostent* os::get_host_by_name(char* name) { return ::gethostbyname(name); } inline int os::get_sock_opt(int fd, int level, int optname, char *optval, socklen_t* optlen) { return ::getsockopt(fd, level, optname, optval, optlen); } inline int os::set_sock_opt(int fd, int level, int optname, const char* optval, socklen_t optlen) { return ::setsockopt(fd, level, optname, optval, optlen); } #endif // OS_BSD_VM_OS_BSD_INLINE_HPP