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Issue 182: linux handler doesn't have sigcontext if called from a previous signal handler. r=mento / Liu Li

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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@188 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2007-06-11 16:01:46 +00:00
parent 2e86dfe705
commit 21d58c7281
7 changed files with 87 additions and 25 deletions
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11
src/client/linux/handler/exception_handler.h
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@ -132,7 +132,7 @@ class ExceptionHandler {
// execution state independently of a crash. Returns true on success.
bool WriteMinidump();
// Convenience form of WriteMinidump which does not require an
// Convenience form of WriteMinidump which does not require an
// ExceptionHandler instance.
static bool WriteMinidump(const string &dump_path,
MinidumpCallback callback,
@ -151,7 +151,14 @@ class ExceptionHandler {
// Signal handler.
static void HandleException(int signo);
bool InternalWriteMinidump(int signo, const struct sigcontext *sig_ctx);
// If called from a signal handler, sighandler_ebp is the ebp of
// that signal handler's frame, and sig_ctx is an out parameter
// that will be set to point at the sigcontext that was placed
// on the stack by the kernel. You can pass zero and NULL
// for the second and third parameters if you are not calling
// this from a signal handler.
bool InternalWriteMinidump(int signo, uintptr_t sighandler_ebp,
struct sigcontext **sig_ctx);
private:
FilterCallback filter_;