forked from OSchip/llvm-project
[lldb] Add missing EINTR handling
Differential Revision: https://reviews.llvm.org/D59606 llvm-svn: 356703
This commit is contained in:
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c56872589f
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2819136f0a
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@ -147,7 +147,7 @@ bool PseudoTerminal::OpenSlave(int oflag, char *error_str, size_t error_len) {
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if (slave_name == nullptr)
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return false;
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m_slave_fd = ::open(slave_name, oflag);
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m_slave_fd = llvm::sys::RetryAfterSignal(-1, ::open, slave_name, oflag);
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if (m_slave_fd < 0) {
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if (error_str)
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@ -18,6 +18,7 @@
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#include "lldb/Utility/RegularExpression.h"
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/Support/Errno.h"
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#ifndef LLDB_DISABLE_POSIX
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#include "lldb/Host/posix/DomainSocket.h"
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@ -450,9 +451,11 @@ NativeSocket Socket::AcceptSocket(NativeSocket sockfd, struct sockaddr *addr,
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if (!child_processes_inherit) {
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flags |= SOCK_CLOEXEC;
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}
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NativeSocket fd = ::accept4(sockfd, addr, addrlen, flags);
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NativeSocket fd = llvm::sys::RetryAfterSignal(-1, ::accept4,
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sockfd, addr, addrlen, flags);
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#else
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NativeSocket fd = ::accept(sockfd, addr, addrlen);
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NativeSocket fd = llvm::sys::RetryAfterSignal(-1, ::accept,
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sockfd, addr, addrlen);
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#endif
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if (fd == kInvalidSocketValue)
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SetLastError(error);
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@ -17,6 +17,7 @@
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#include "lldb/Utility/Log.h"
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#include "llvm/Config/llvm-config.h"
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#include "llvm/Support/Errno.h"
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#include "llvm/Support/raw_ostream.h"
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#ifndef LLDB_DISABLE_POSIX
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@ -150,8 +151,8 @@ Status TCPSocket::Connect(llvm::StringRef name) {
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address.SetPort(port);
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if (-1 == ::connect(GetNativeSocket(), &address.sockaddr(),
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address.GetLength())) {
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if (-1 == llvm::sys::RetryAfterSignal(-1, ::connect,
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GetNativeSocket(), &address.sockaddr(), address.GetLength())) {
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CLOSE_SOCKET(GetNativeSocket());
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continue;
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}
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@ -262,7 +262,7 @@ ConnectionStatus ConnectionFileDescriptor::Connect(llvm::StringRef path,
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options.c_cc[VMIN] = 1;
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options.c_cc[VTIME] = 0;
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::tcsetattr(fd, TCSANOW, &options);
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llvm::sys::RetryAfterSignal(-1, ::tcsetattr, fd, TCSANOW, &options);
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}
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int flags = ::fcntl(fd, F_GETFL, 0);
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@ -8,6 +8,7 @@
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#include "lldb/Host/posix/DomainSocket.h"
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#include "llvm/Support/Errno.h"
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#include "llvm/Support/FileSystem.h"
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#include <stddef.h>
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@ -81,8 +82,8 @@ Status DomainSocket::Connect(llvm::StringRef name) {
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m_socket = CreateSocket(kDomain, kType, 0, m_child_processes_inherit, error);
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if (error.Fail())
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return error;
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if (::connect(GetNativeSocket(), (struct sockaddr *)&saddr_un, saddr_un_len) <
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0)
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if (llvm::sys::RetryAfterSignal(-1, ::connect, GetNativeSocket(),
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(struct sockaddr *)&saddr_un, saddr_un_len) < 0)
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SetLastError(error);
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return error;
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@ -25,6 +25,7 @@
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/StreamString.h"
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#include "llvm/Support/Errno.h"
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#include "llvm/Support/FileSystem.h"
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using namespace lldb;
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@ -71,9 +72,9 @@ Status FileSystem::ResolveSymbolicLink(const FileSpec &src, FileSpec &dst) {
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}
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FILE *FileSystem::Fopen(const char *path, const char *mode) {
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return ::fopen(path, mode);
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return llvm::sys::RetryAfterSignal(nullptr, ::fopen, path, mode);
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}
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int FileSystem::Open(const char *path, int flags, int mode) {
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return ::open(path, flags, mode);
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return llvm::sys::RetryAfterSignal(-1, ::open, path, flags, mode);
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}
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@ -8,6 +8,8 @@
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#include "lldb/Host/posix/LockFilePosix.h"
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#include "llvm/Support/Errno.h"
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#include <fcntl.h>
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#include <unistd.h>
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@ -27,7 +29,7 @@ Status fileLock(int fd, int cmd, int lock_type, const uint64_t start,
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fl.l_pid = ::getpid();
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Status error;
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if (::fcntl(fd, cmd, &fl) == -1)
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if (llvm::sys::RetryAfterSignal(-1, ::fcntl, fd, cmd, &fl) == -1)
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error.SetErrorToErrno();
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return error;
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@ -10,6 +10,7 @@
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Utility/SelectHelper.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/Errno.h"
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#include "llvm/Support/FileSystem.h"
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#if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8))
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@ -157,7 +158,7 @@ Status PipePosix::OpenAsReader(llvm::StringRef name,
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flags |= O_CLOEXEC;
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Status error;
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int fd = ::open(name.data(), flags);
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int fd = llvm::sys::RetryAfterSignal(-1, ::open, name.data(), flags);
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if (fd != -1)
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m_fds[READ] = fd;
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else
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@ -192,7 +193,7 @@ PipePosix::OpenAsWriterWithTimeout(llvm::StringRef name,
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if (fd == -1) {
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const auto errno_copy = errno;
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// We may get ENXIO if a reader side of the pipe hasn't opened yet.
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if (errno_copy != ENXIO)
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if (errno_copy != ENXIO && errno_copy != EINTR)
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return Status(errno_copy, eErrorTypePOSIX);
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std::this_thread::sleep_for(
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@ -275,6 +276,8 @@ Status PipePosix::ReadWithTimeout(void *buf, size_t size,
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bytes_read += result;
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if (bytes_read == size || result == 0)
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break;
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} else if (errno == EINTR) {
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continue;
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} else {
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error.SetErrorToErrno();
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break;
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@ -305,6 +308,8 @@ Status PipePosix::Write(const void *buf, size_t size, size_t &bytes_written) {
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bytes_written += result;
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if (bytes_written == size)
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break;
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} else if (errno == EINTR) {
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continue;
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} else {
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error.SetErrorToErrno();
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}
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@ -72,7 +72,8 @@ static void DisableASLRIfRequested(int error_fd, const ProcessLaunchInfo &info)
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static void DupDescriptor(int error_fd, const FileSpec &file_spec, int fd,
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int flags) {
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int target_fd = ::open(file_spec.GetCString(), flags, 0666);
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int target_fd = llvm::sys::RetryAfterSignal(-1, ::open,
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file_spec.GetCString(), flags, 0666);
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if (target_fd == -1)
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ExitWithError(error_fd, "DupDescriptor-open");
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@ -211,7 +212,7 @@ ProcessLauncherPosixFork::LaunchProcess(const ProcessLaunchInfo &launch_info,
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error.SetErrorString(buf);
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waitpid(pid, nullptr, 0);
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llvm::sys::RetryAfterSignal(-1, waitpid, pid, nullptr, 0);
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return HostProcess();
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}
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@ -1387,7 +1387,8 @@ lldb_private::Status ProcessMonitor::Detach(lldb::tid_t tid) {
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bool ProcessMonitor::DupDescriptor(const FileSpec &file_spec, int fd,
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int flags) {
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int target_fd = open(file_spec.GetCString(), flags, 0666);
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int target_fd = llvm::sys::RetryAfterSignal(-1, open,
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file_spec.GetCString(), flags, 0666);
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if (target_fd == -1)
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return false;
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@ -51,8 +51,10 @@ struct ChildDeleter {
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~ChildDeleter() {
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int status;
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kill(pid, SIGKILL); // Kill the child.
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waitpid(pid, &status, __WALL); // Pick up the remains.
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// Kill the child.
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kill(pid, SIGKILL);
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// Pick up the remains.
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llvm::sys::RetryAfterSignal(-1, waitpid, pid, &status, __WALL);
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}
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};
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@ -81,7 +83,8 @@ bool WorkaroundNeeded() {
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}
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int status;
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::pid_t wpid = waitpid(child_pid, &status, __WALL);
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::pid_t wpid = llvm::sys::RetryAfterSignal(-1, waitpid,
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child_pid, &status, __WALL);
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if (wpid != child_pid || !WIFSTOPPED(status)) {
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LLDB_LOG(log, "waitpid() failed (status = {0:x}): {1}", status,
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Status(errno, eErrorTypePOSIX));
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@ -110,7 +113,8 @@ bool WorkaroundNeeded() {
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break;
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}
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wpid = waitpid(child_pid, &status, __WALL);
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wpid = llvm::sys::RetryAfterSignal(-1, waitpid,
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child_pid, &status, __WALL);
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if (wpid != child_pid || !WIFSTOPPED(status)) {
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LLDB_LOG(log, "waitpid() failed (status = {0:x}): {1}", status,
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Status(errno, eErrorTypePOSIX));
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@ -665,7 +665,8 @@ Status NativeProcessNetBSD::Attach() {
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int wstatus;
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// Need to use WALLSIG otherwise we receive an error with errno=ECHLD At this
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// point we should have a thread stopped if waitpid succeeds.
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if ((wstatus = waitpid(m_pid, NULL, WALLSIG)) < 0)
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if ((wstatus = llvm::sys::RetryAfterSignal(-1, waitpid,
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m_pid, NULL, WALLSIG)) < 0)
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return Status(errno, eErrorTypePOSIX);
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/* Initialize threads */
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@ -21,6 +21,7 @@
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#include "lldb/Utility/Stream.h"
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/Errno.h"
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#include <stdio.h>
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@ -39,7 +40,7 @@ void StructuredPythonObject::Dump(Stream &s, bool pretty_print) const {
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void PythonObject::Dump(Stream &strm) const {
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if (m_py_obj) {
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FILE *file = ::tmpfile();
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FILE *file = llvm::sys::RetryAfterSignal(nullptr, ::tmpfile);
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if (file) {
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::PyObject_Print(m_py_obj, file, 0);
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const long length = ftell(file);
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@ -18,6 +18,7 @@
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#include "lldb/Host/FileSystem.h"
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#include "llvm/Support/ConvertUTF.h"
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#include "llvm/Support/Errno.h"
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//++
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//------------------------------------------------------------------------------------
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@ -83,7 +84,8 @@ bool CMIUtilFileStd::CreateWrite(const CMIUtilString &vFileNamePath,
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#if !defined(_MSC_VER)
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// Open with 'write' and 'binary' mode
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m_pFileHandle = ::fopen(vFileNamePath.c_str(), "wb");
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m_pFileHandle = llvm::sys::RetryAfterSignal(nullptr, ::fopen,
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vFileNamePath.c_str(), "wb");
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#else
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// Open a file with exclusive write and shared read permissions
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std::wstring path;
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@ -226,7 +228,8 @@ bool CMIUtilFileStd::IsFileExist(const CMIUtilString &vFileNamePath) const {
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return false;
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FILE *pTmp = nullptr;
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pTmp = ::fopen(vFileNamePath.c_str(), "wb");
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pTmp = llvm::sys::RetryAfterSignal(nullptr, ::fopen,
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vFileNamePath.c_str(), "wb");
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if (pTmp != nullptr) {
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::fclose(pTmp);
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return true;
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@ -41,6 +41,7 @@
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#include <thread>
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/Support/Errno.h"
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#include "llvm/Support/FileSystem.h"
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#include "llvm/Support/raw_ostream.h"
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@ -90,7 +91,8 @@ SOCKET AcceptConnection(int portno) {
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} else {
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listen(sockfd, 5);
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socklen_t clilen = sizeof(cli_addr);
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newsockfd = accept(sockfd, (struct sockaddr *)&cli_addr, &clilen);
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newsockfd = llvm::sys::RetryAfterSignal(-1, accept,
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sockfd, (struct sockaddr *)&cli_addr, &clilen);
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if (newsockfd < 0)
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if (g_vsc.log)
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*g_vsc.log << "error: accept (" << strerror(errno) << ")"
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@ -1074,7 +1076,7 @@ void request_initialize(const llvm::json::Object &request) {
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// before we are given an executable to launch in a "launch" request, or a
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// executable when attaching to a process by process ID in a "attach"
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// request.
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FILE *out = fopen(dev_null_path, "w");
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FILE *out = llvm::sys::RetryAfterSignal(nullptr, fopen, dev_null_path, "w");
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if (out) {
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// Set the output and error file handles to redirect into nothing otherwise
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// if any code in LLDB prints to the debugger file handles, the output and
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