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6749267: Signal handler should save/restore errno

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Save errno before processing signal, then restore it.

Reviewed-by: acorn, sspitsyn
This commit is contained in:
Harold Seigel 2013-02-19 08:51:56 -05:00
parent 1439d121c2
commit 301152ddb7
3 changed files with 6 additions and 0 deletions
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2
hotspot/src/os/solaris/vm/os_solaris.cpp
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@ -4317,7 +4317,9 @@ JVM_handle_solaris_signal(int signo, siginfo_t* siginfo, void* ucontext,
void signalHandler(int sig, siginfo_t* info, void* ucVoid) {
int orig_errno = errno; // Preserve errno value over signal handler.
JVM_handle_solaris_signal(sig, info, ucVoid, true);
errno = orig_errno;
}
/* Do not delete - if guarantee is ever removed, a signal handler (even empty)