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//===-- tsan_platform_mac.cc ----------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
// Mac-specific code.
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_platform.h"
#if SANITIZER_MAC
#include "sanitizer_common/sanitizer_common.h"
#include "sanitizer_common/sanitizer_libc.h"
#include "sanitizer_common/sanitizer_procmaps.h"
#include "tsan_platform.h"
#include "tsan_rtl.h"
#include "tsan_flags.h"
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <sched.h>
namespace __tsan {
uptr GetShadowMemoryConsumption() {
return 0;
}
void FlushShadowMemory() {
}
void WriteMemoryProfile(char *buf, uptr buf_size, uptr nthread, uptr nlive) {
}
#ifndef SANITIZER_GO
void InitializeShadowMemory() {
uptr shadow = (uptr)MmapFixedNoReserve(kShadowBeg,
kShadowEnd - kShadowBeg);
if (shadow != kShadowBeg) {
Printf("FATAL: ThreadSanitizer can not mmap the shadow memory\n");
Printf("FATAL: Make sure to compile with -fPIE and "
"to link with -pie.\n");
Die();
}
if (common_flags()->use_madv_dontdump)
DontDumpShadowMemory(kShadowBeg, kShadowEnd - kShadowBeg);
DPrintf("kShadow %zx-%zx (%zuGB)\n",
kShadowBeg, kShadowEnd,
(kShadowEnd - kShadowBeg) >> 30);
DPrintf("kAppMem %zx-%zx (%zuGB)\n",
kAppMemBeg, kAppMemEnd,
(kAppMemEnd - kAppMemBeg) >> 30);
}
#endif
void InitializePlatform() {
DisableCoreDumperIfNecessary();
}
#ifndef SANITIZER_GO
int call_pthread_cancel_with_cleanup(int(*fn)(void *c, void *m,
void *abstime), void *c, void *m, void *abstime,
void(*cleanup)(void *arg), void *arg) {
// pthread_cleanup_push/pop are hardcore macros mess.
// We can't intercept nor call them w/o including pthread.h.
int res;
pthread_cleanup_push(cleanup, arg);
res = fn(c, m, abstime);
pthread_cleanup_pop(0);
return res;
}
#endif
} // namespace __tsan
#endif // SANITIZER_MAC
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