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tsan: allow to write memory profile to stdout/stderr 

llvm-svn: 209811
This commit is contained in:
Dmitry Vyukov 2014-05-29 14:02:06 +00:00
parent bde4c9c773
commit ef5f26bf19
1 changed files with 14 additions and 9 deletions
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23
compiler-rt/lib/tsan/rtl/tsan_rtl.cc
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@ -131,16 +131,21 @@ static void BackgroundThread(void *arg) {
fd_t mprof_fd = kInvalidFd;
if (flags()->profile_memory && flags()->profile_memory[0]) {
// FIXME(dvyukov): support stdout/stderr
InternalScopedBuffer<char> filename(4096);
internal_snprintf(filename.data(), filename.size(), "%s.%d",
flags()->profile_memory, (int)internal_getpid());
uptr openrv = OpenFile(filename.data(), true);
if (internal_iserror(openrv)) {
Printf("ThreadSanitizer: failed to open memory profile file '%s'\n",
&filename[0]);
if (internal_strcmp(flags()->profile_memory, "stdout") == 0) {
mprof_fd = 1;
} else if (internal_strcmp(flags()->profile_memory, "stderr") == 0) {
mprof_fd = 2;
} else {
mprof_fd = openrv;
InternalScopedBuffer<char> filename(4096);
internal_snprintf(filename.data(), filename.size(), "%s.%d",
flags()->profile_memory, (int)internal_getpid());
uptr openrv = OpenFile(filename.data(), true);
if (internal_iserror(openrv)) {
Printf("ThreadSanitizer: failed to open memory profile file '%s'\n",
&filename[0]);
} else {
mprof_fd = openrv;
}
}
}