testing pthread_attr_setguardsize guards.

testing thread with stack size = 0x100000, guard size = 0x1
detected available stack size 0xff109, guard size >= 0x1
stack size OK (must be >= 0xfc000)
guard size OK (must be >= 0)

testing thread with stack size = 0x100000, guard size = 0x1000
detected available stack size 0xff109, guard size >= 0x1
stack size OK (must be >= 0xfc000)
guard size OK (must be >= 0)

testing thread with stack size = 0x100000, guard size = 0x10000
detected available stack size 0x100109, guard size >= 0x1
stack size OK (must be >= 0xfc000)
guard size OK (must be >= 0)

testing thread with stack size = 0x100000, guard size = 0x100000
detected available stack size 0x100109, guard size >= 0x1
stack size OK (must be >= 0xfc000)
guard size OK (must be >= 0)

TEST PASSED.