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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CMakeLists.txt	lib: os: add sys_sem data type	2019-07-24 10:12:25 -07:00
Kconfig	lib: flatten all loose components into one lib	2019-01-22 07:45:22 -05:00
assert.c	assert: generate oops if invoked from usermode	2019-07-20 08:29:39 -04:00
base64.c	cleanup: include/: move base64.h to sys/base64.h	2019-06-27 22:55:49 -04:00
crc7_sw.c	cleanup: include/: move crc.h to sys/crc.h	2019-06-27 22:55:49 -04:00
crc8_sw.c	cleanup: include/: move crc.h to sys/crc.h	2019-06-27 22:55:49 -04:00
crc16_sw.c	cleanup: include/: move crc.h to sys/crc.h	2019-06-27 22:55:49 -04:00
crc32_sw.c	cleanup: include/: move crc.h to sys/crc.h	2019-06-27 22:55:49 -04:00
fdtable.c	cleanup: include/: move misc/speculation.h to sys/speculation.h	2019-06-27 22:55:49 -04:00
hex.c	kernel: lib: Add convert functions for hex strings and binary arrays	2019-07-16 12:44:18 +02:00
json.c	cleanup: include/: move misc/util.h to sys/util.h	2019-06-27 22:55:49 -04:00
mempool.c	mempool: significant reduction of memory waste	2019-07-16 14:21:21 -07:00
mutex.c	cleanup: include/: move misc/mutex.h to sys/mutex.h	2019-06-27 22:55:49 -04:00
printk.c	lib: os: exclude z_arch_printk_char_out()	2019-06-28 20:04:29 -07:00
rb.c	cleanup: include/: move misc/rb.h to sys/rb.h	2019-06-27 22:55:49 -04:00
ring_buffer.c	cleanup: include/: move ring_buffer.h to sys/ring_buffer.h	2019-06-27 22:55:49 -04:00
sem.c	lib: os: add sys_sem data type	2019-07-24 10:12:25 -07:00
thread_entry.c	lib: os: remove dead code	2019-06-18 09:08:01 -04:00
timeutil.c	sys: timeutil: add module	2019-07-17 14:04:44 +02:00
work_q.c	lib: flatten all loose components into one lib	2019-01-22 07:45:22 -05:00