Gregory Nutt 9568600ab1 Squashed commit of the following: ... This commit backs out most of commit b4747286b1. That change was added because sem_wait() would sometimes cause cancellation points inappropriated. But with these recent changes, nxsem_wait() is used instead and it is not a cancellation point. In the OS, all calls to sem_wait() changed to nxsem_wait(). nxsem_wait() does not return errors via errno so each place where nxsem_wait() is now called must not examine the errno variable. In all OS functions (not libraries), change sem_wait() to nxsem_wait(). This will prevent the OS from creating bogus cancellation points and from modifying the per-task errno variable. sched/semaphore: Add the function nxsem_wait(). This is a new internal OS interface. It is functionally equivalent to sem_wait() except that (1) it is not a cancellation point, and (2) it does not set the per-thread errno value on return.		2017-10-04 15:22:27 -06:00
..
Kconfig	STM32F7: fix UART7 and UART8 IFLOWCONTROL options	2017-04-06 08:46:24 -06:00
lowconsole.c	Silence some warnings	2016-05-26 14:06:13 -04:00
Make.defs	PTYs prototypes hooked into build and configuration system (as EXPERIMENTAL)	2016-07-15 06:48:10 -06:00
ptmx.c	Squashed commit of the following:	2017-10-04 15:22:27 -06:00
pty.c	Squashed commit of the following:	2017-10-04 15:22:27 -06:00
pty.h	PTY: Add ioctls to support locking and unlocking of the slave. LIBC: Add implementation of unlockpt()	2016-07-15 09:39:33 -06:00
serial_dma.c	serial: Remove confusing inline functions. Correct attribution for serial DMA logic	2015-11-15 08:39:01 -06:00
serial_io.c	serial: Remove confusing inline functions. Correct attribution for serial DMA logic	2015-11-15 08:39:01 -06:00
serial.c	Squashed commit of the following:	2017-10-04 15:22:27 -06:00
uart_16550.c	Squashed commit of the following:	2017-09-30 12:59:33 -06:00