Fix a problem in pthread_trylock()
authorjc_.kim <jc_.kim@samsung.com>
Wed, 31 May 2017 00:34:52 +0000 (09:34 +0900)
committerjc_.kim <jc_.kim@samsung.com>
Wed, 31 May 2017 00:34:52 +0000 (09:34 +0900)
commita46134c144bdb52bbc1e47b7cb4b2ba742678d4e
tree5920edfa04da71d55f7a68ce70b7fe7fe3eb287f
parentf44a469f4961c4b0f22be6980563057868521690
Fix a problem in pthread_trylock()

When CONFIG_PTHREAD_MUTEX_UNSAFE=y, the special return value
EAGAIN was not being detected due to differences in reporting of returned values.
os/kernel/pthread/pthread.h
os/kernel/pthread/pthread_initialize.c