summaryrefslogtreecommitdiff
path: root/lib/sanitizer_common/sanitizer_posix.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sanitizer_common/sanitizer_posix.h')
-rw-r--r--lib/sanitizer_common/sanitizer_posix.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_posix.h b/lib/sanitizer_common/sanitizer_posix.h
new file mode 100644
index 000000000..31bbb9799
--- /dev/null
+++ b/lib/sanitizer_common/sanitizer_posix.h
@@ -0,0 +1,64 @@
+//===-- sanitizer_posix.h -------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is shared between AddressSanitizer and ThreadSanitizer
+// run-time libraries and declares some useful POSIX-specific functions.
+//===----------------------------------------------------------------------===//
+#ifndef SANITIZER_POSIX_H
+#define SANITIZER_POSIX_H
+
+// ----------- ATTENTION -------------
+// This header should NOT include any other headers from sanitizer runtime.
+#include "sanitizer_internal_defs.h"
+
+#if !SANITIZER_POSIX
+// Make it hard to accidentally use any of functions declared in this file:
+#error This file should only be included on POSIX
+#endif
+
+namespace __sanitizer {
+
+// I/O
+// Don't use directly, use __sanitizer::OpenFile() instead.
+uptr internal_open(const char *filename, int flags);
+uptr internal_open(const char *filename, int flags, u32 mode);
+
+// Memory
+uptr internal_mmap(void *addr, uptr length, int prot, int flags,
+ int fd, u64 offset);
+uptr internal_munmap(void *addr, uptr length);
+
+uptr internal_ptrace(int request, int pid, void *addr, void *data);
+uptr internal_waitpid(int pid, int *status, int options);
+int internal_fork();
+
+// These functions call appropriate pthread_ functions directly, bypassing
+// the interceptor. They are weak and may not be present in some tools.
+SANITIZER_WEAK_ATTRIBUTE
+int real_pthread_create(void *th, void *attr, void *(*callback)(void *),
+ void *param);
+SANITIZER_WEAK_ATTRIBUTE
+int real_pthread_join(void *th, void **ret);
+
+#define DEFINE_REAL_PTHREAD_FUNCTIONS \
+ namespace __sanitizer { \
+ int real_pthread_create(void *th, void *attr, void *(*callback)(void *), \
+ void *param) { \
+ return REAL(pthread_create)(th, attr, callback, param); \
+ } \
+ int real_pthread_join(void *th, void **ret) { \
+ return REAL(pthread_join(th, ret)); \
+ } \
+ } // namespace __sanitizer
+
+int internal_sigaction(int signum, const void *act, void *oldact);
+
+} // namespace __sanitizer
+
+#endif // SANITIZER_POSIX_H