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54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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//===-- sanitizer_linux.h ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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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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// Linux-specific syscall wrappers and classes.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SANITIZER_LINUX_H
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#define SANITIZER_LINUX_H
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#include "sanitizer_internal_defs.h"
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struct sigaltstack;
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namespace __sanitizer {
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// Dirent structure for getdents(). Note that this structure is different from
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// the one in <dirent.h>, which is used by readdir().
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struct linux_dirent;
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// Syscall wrappers.
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int internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
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int internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5);
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int internal_sigaltstack(const struct sigaltstack *ss, struct sigaltstack *oss);
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// This class reads thread IDs from /proc/<pid>/task using only syscalls.
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class ThreadLister {
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public:
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explicit ThreadLister(int pid);
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~ThreadLister();
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// GetNextTID returns -1 if the list of threads is exhausted, or if there has
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// been an error.
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int GetNextTID();
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void Reset();
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bool error();
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private:
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bool GetDirectoryEntries();
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int pid_;
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int descriptor_;
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char buffer_[4096];
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bool error_;
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struct linux_dirent* entry_;
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int bytes_read_;
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};
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} // namespace __sanitizer
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#endif // SANITIZER_LINUX_H
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