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Fix issue 136.

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Block signals before writing minidumps.



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@134 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
luly81 2007-03-29 01:32:39 +00:00
parent ab175ccc2b
commit 3479e850c5
1 changed files with 21 additions and 1 deletions
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20
src/client/linux/handler/exception_handler.cc
View file

@ -224,8 +224,28 @@ bool ExceptionHandler::InternalWriteMinidump(int signo,
snprintf(minidump_path, sizeof(minidump_path), "%s/%s.dmp", snprintf(minidump_path, sizeof(minidump_path), "%s/%s.dmp",
dump_path_c_, dump_path_c_,
guid_str); guid_str);
// Block all the signals we want to process when writting minidump.
// We don't want it to be interrupted.
sigset_t sig_blocked, sig_old;
bool blocked = true;
sigfillset(&sig_blocked);
for (size_t i = 0; i < sizeof(SigTable) / sizeof(SigTable[0]); ++i)
sigdelset(&sig_blocked, SigTable[i]);
if (sigprocmask(SIG_BLOCK, &sig_blocked, &sig_old) != 0) {
blocked = false;
fprintf(stderr, "google_breakpad::ExceptionHandler::HandleException: "
"failed to block signals.\n");
}
success = minidump_generator_.WriteMinidumpToFile( success = minidump_generator_.WriteMinidumpToFile(
minidump_path, signo, sig_ctx); minidump_path, signo, sig_ctx);
// Unblock the signals.
if (blocked) {
sigprocmask(SIG_SETMASK, &sig_old, &sig_old);
}
if (callback_) if (callback_)
success = callback_(dump_path_c_, guid_str, success = callback_(dump_path_c_, guid_str,
callback_context_, success); callback_context_, success);