Wentong Wu 715369350d lib: os: add sys_sem data type ... For systems with userspace, the sys_sem exist in user memory working as counter semaphore for user mode thread. The implemention of sys_sem is based on k_futex. And the majority of the synchronization operations are performed in user mode to reduce the calling of system call. And for systems without userspace enabled, sys_sem behaves like k_sem. Fixes: #15139. Signed-off-by: Wentong Wu <wentong.wu@intel.com>		2019-07-24 10:12:25 -07:00
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assert.c	assert: generate oops if invoked from usermode	2019-07-20 08:29:39 -04:00
base64.c
CMakeLists.txt	lib: os: add sys_sem data type	2019-07-24 10:12:25 -07:00
crc7_sw.c
crc8_sw.c
crc16_sw.c
crc32_sw.c
fdtable.c
hex.c
json.c
Kconfig
mempool.c	mempool: significant reduction of memory waste	2019-07-16 14:21:21 -07:00
mutex.c
printk.c
rb.c
ring_buffer.c
sem.c	lib: os: add sys_sem data type	2019-07-24 10:12:25 -07:00
thread_entry.c
timeutil.c	sys: timeutil: add module	2019-07-17 14:04:44 +02:00
work_q.c