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64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
//===-- tsan_fd.h -----------------------------------------------*- C++ -*-===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of ThreadSanitizer (TSan), a race detector.
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//
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// This file handles synchronization via IO.
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// People use IO for synchronization along the lines of:
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//
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// int X;
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// int client_socket; // initialized elsewhere
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// int server_socket; // initialized elsewhere
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//
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// Thread 1:
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// X = 42;
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// send(client_socket, ...);
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//
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// Thread 2:
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// if (recv(server_socket, ...) > 0)
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// assert(X == 42);
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//
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// This file determines the scope of the file descriptor (pipe, socket,
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// all local files, etc) and executes acquire and release operations on
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// the scope as necessary. Some scopes are very fine grained (e.g. pipe
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// operations synchronize only with operations on the same pipe), while
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// others are corse-grained (e.g. all operations on local files synchronize
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// with each other).
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//===----------------------------------------------------------------------===//
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#ifndef TSAN_FD_H
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#define TSAN_FD_H
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#include "tsan_rtl.h"
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namespace __tsan {
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void FdInit();
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void FdAcquire(ThreadState *thr, uptr pc, int fd);
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void FdRelease(ThreadState *thr, uptr pc, int fd);
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void FdAccess(ThreadState *thr, uptr pc, int fd);
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void FdClose(ThreadState *thr, uptr pc, int fd);
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void FdFileCreate(ThreadState *thr, uptr pc, int fd);
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void FdDup(ThreadState *thr, uptr pc, int oldfd, int newfd);
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void FdPipeCreate(ThreadState *thr, uptr pc, int rfd, int wfd);
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void FdEventCreate(ThreadState *thr, uptr pc, int fd);
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void FdSignalCreate(ThreadState *thr, uptr pc, int fd);
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void FdInotifyCreate(ThreadState *thr, uptr pc, int fd);
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void FdPollCreate(ThreadState *thr, uptr pc, int fd);
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void FdSocketCreate(ThreadState *thr, uptr pc, int fd);
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void FdSocketAccept(ThreadState *thr, uptr pc, int fd, int newfd);
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void FdSocketConnecting(ThreadState *thr, uptr pc, int fd);
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void FdSocketConnect(ThreadState *thr, uptr pc, int fd);
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bool FdLocation(uptr addr, int *fd, int *tid, u32 *stack);
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void FdOnFork(ThreadState *thr, uptr pc);
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uptr File2addr(const char *path);
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uptr Dir2addr(const char *path);
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} // namespace __tsan
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#endif // TSAN_INTERFACE_H
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