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tsan: catch races on fd in more cases 

llvm-svn: 174184
This commit is contained in:
Dmitry Vyukov 2013-02-01 15:52:35 +00:00
parent 3e439e4223
commit 1fab680c1b
1 changed files with 12 additions and 0 deletions
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12
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
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@ -595,6 +595,8 @@ TSAN_INTERCEPTOR(void*, mmap, void *addr, long_t sz, int prot,
return MAP_FAILED;
void *res = REAL(mmap)(addr, sz, prot, flags, fd, off);
if (res != MAP_FAILED) {
if (fd > 0)
FdAccess(thr, pc, fd);
MemoryResetRange(thr, pc, (uptr)res, sz);
}
return res;
@ -607,6 +609,8 @@ TSAN_INTERCEPTOR(void*, mmap64, void *addr, long_t sz, int prot,
return MAP_FAILED;
void *res = REAL(mmap64)(addr, sz, prot, flags, fd, off);
if (res != MAP_FAILED) {
if (fd > 0)
FdAccess(thr, pc, fd);
MemoryResetRange(thr, pc, (uptr)res, sz);
}
return res;
@ -1150,21 +1154,29 @@ TSAN_INTERCEPTOR(int, lstat64, const char *path, void *buf) {
TSAN_INTERCEPTOR(int, __fxstat, int version, int fd, void *buf) {
SCOPED_TSAN_INTERCEPTOR(__fxstat, version, fd, buf);
if (fd > 0)
FdAccess(thr, pc, fd);
return REAL(__fxstat)(version, fd, buf);
}
TSAN_INTERCEPTOR(int, fstat, int fd, void *buf) {
SCOPED_TSAN_INTERCEPTOR(__fxstat, 0, fd, buf);
if (fd > 0)
FdAccess(thr, pc, fd);
return REAL(__fxstat)(0, fd, buf);
}
TSAN_INTERCEPTOR(int, __fxstat64, int version, int fd, void *buf) {
SCOPED_TSAN_INTERCEPTOR(__fxstat64, version, fd, buf);
if (fd > 0)
FdAccess(thr, pc, fd);
return REAL(__fxstat64)(version, fd, buf);
}
TSAN_INTERCEPTOR(int, fstat64, int fd, void *buf) {
SCOPED_TSAN_INTERCEPTOR(__fxstat64, 0, fd, buf);
if (fd > 0)
FdAccess(thr, pc, fd);
return REAL(__fxstat64)(0, fd, buf);
}