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8169373: Work around linux NPTL stack guard error

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Also skip libc guard page for compiler thread, merge similar code on linux platforms, and streamline libc guard page handling on linuxs390, linuxppc, aixppc.

Reviewed-by: dholmes, dcubed, kvn
This commit is contained in:
Goetz Lindenmaier 2016-11-08 16:30:36 +01:00
parent c2b261c9f5
commit c5a2c4af0e
13 changed files with 165 additions and 425 deletions
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2
hotspot/src/os/posix/vm/os_posix.cpp
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@ -1096,6 +1096,8 @@ char* os::Posix::describe_pthread_attr(char* buf, size_t buflen, const pthread_a
int detachstate = 0;
pthread_attr_getstacksize(attr, &stack_size);
pthread_attr_getguardsize(attr, &guard_size);
// Work around linux NPTL implementation error, see also os::create_thread() in os_linux.cpp.
LINUX_ONLY(stack_size -= guard_size);
pthread_attr_getdetachstate(attr, &detachstate);
jio_snprintf(buf, buflen, "stacksize: " SIZE_FORMAT "k, guardsize: " SIZE_FORMAT "k, %s",
stack_size / 1024, guard_size / 1024,