зеркало из https://github.com/mozilla/gecko-dev.git
1a86d1dee4
This patch sets up a few different things that will be used by the WER runtime exception module when it needs to notify the main process of a child process crash. For every child process we allocate a structure in the main process called WindowsErrorReportingData that contains three things: - The address of the function used to notify the main process that there's a pending minidump for a given child process - The PID of said child process - The name of the minidump that has been generated The first field is filled up by the main process and will be read by the WER process when running the runtime exception module, the second and third fields on the other hand start empty and will be written into by the runtime exception module after it has generated a minidump. I know this sounds scary. It is. But bear with me please. When we register the runtime exception module we can pass it a single pointer-sized parameter but we need to pass it at least another pointer that includes data coming from the child process itself (this one is called InProcessWindowsErrorReportingData). This data currently includes only the process type but will also include certain annotations in the future (e.g. bug 1711418). So here's what we do: we store a pointer to the parent data structure in the child process command-line (cringe) and we read it from the runtime exception module by reading the crashed process command-line arguments and parsing them (double-cringe). Armed with this information the WER runtime exception module can populate the info for the generated minidump and then push it into the main process by calling CreateRemoteThread() (which creates a new thread in the main process, triple-cringe at this point). Differential Revision: https://phabricator.services.mozilla.com/D115379 |
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| app | ||
| chromium | ||
| contentproc | ||
| glue | ||
| gtest | ||
| ipdl | ||
| mscom | ||
| testshell | ||
| moz.build | ||
| pull-chromium.py | ||