RFR: Use SIGRTMAX instead of __SIGRTMAX
mikael.vidstedt at oracle.com
Wed Apr 12 01:43:55 UTC 2017
> On Apr 11, 2017, at 6:34 PM, David Holmes <david.holmes at oracle.com> wrote:
> On 12/04/2017 10:07 AM, Mikael Vidstedt wrote:
>> The JDK uses (in two places) __SIGRTMAX, but posix refers to SIGRTMAX without the double-underscores prefix. Also, posix also mentions that SIGRTMAX is not guaranteed to be a constant expression. musl doesn’t define __SIGRTMAX, and the definition of SIGRTMAX is not a constant expression.
>> This change updates the code to use SIGRTMAX,
> Ok. Hotspot uses SIGRTMAX so there should be no issues here.
>> and also moves the initialization of the static global variable sigWakeup in linux_close.c to be initialized in the function just before the signal handler gets set up.
> Why do we need to move the initialization??
The musl definition of SIGRTMAX is not a constant expression - it’s a function call.
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