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nuttx/include/nuttx
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Xiang Xiao 95063bde15 drivers/serial: add job-control TTY ioctls and libc wrappers 
NuttX has no real session/process-group abstraction, so the TTY layer
collapses the foreground process group onto the single dev->pid field
(pgrp == pid, one member per group).  Extend the controlling-terminal
support so portable software (e.g. dropbear, socat) that relies on
job-control primitives works without losing the existing NuttX-specific
behaviour.

Driver (serial.c, pty.c):
- TIOCSCTTY now accepts a flag: arg > 0 keeps the historical "target
  PID in arg" semantics (NSH registers the foreground command it just
  spawned), while arg == 0 selects the calling task via
  nxsched_getpid(), matching the POSIX flag convention used by
  dropbear/socat/apue.  This preserves all existing callers and makes
  the previously-dead arg==0 path deliver SIGINT correctly.
- Add TIOCGPGRP/TIOCGSID (return dev->pid) and TIOCSPGRP (set it).
- pty.c gains the same handlers against pd_pid and includes
  nuttx/sched.h for nxsched_getpid().

ioctl numbers (tioctl.h): TIOCGPGRP/TIOCSPGRP/TIOCGSID at 0x37-0x39.

libc wrappers:
- termios: tcgetpgrp(), tcsetpgrp(), tcgetsid() over the new ioctls.
- unistd: setsid()/getsid()/setpgid() stubs consistent with the
  existing getpgrp()/getpgid() single-session model (sid == pgid ==
  pid; setpgid only succeeds for pgid == pid).

Declare the new prototypes in unistd.h (tcgetsid was already in
termios.h) and register all sources in the Make.defs/CMakeLists.

Group-broadcast signalling (kill(-pgrp)) remains unsupported, so
tty signals still target the single dev->pid; a real session/process
group model is left as a follow-up.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2026-06-23 16:26:53 -03:00
..
1wire 1wire DS2XXX: add 1wire and DS2XXX documentation 2025-10-11 07:39:01 -03:00
aie
analog !arm/stm32l4: standardize public API/type prefix to stm32_ 2026-06-13 12:45:16 +08:00
audio !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
binfmt binfmt: Add a configuration flag to store the module filename 2025-11-01 22:59:47 +08:00
can sja1000: replace enter_critical_section with spinlock 2026-01-08 09:15:04 -03:00
clk drivers/clk: use uintptr_t for register addresses 2026-06-18 21:52:33 +08:00
contactless
coresight style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
crypto drivers/crypto: add Microchip RNG90 driver 2026-06-14 18:41:09 +08:00
dma
drivers serial/uart_rpmsg: add _raw version of driver 2026-02-23 09:19:57 -03:00
eeprom mtd/at25ee: Use eeprom/spi_xx25xx internally 2025-12-17 19:03:54 +01:00
efuse
fs !drivers: separate pulse count feature from PWM driver 2026-05-25 14:33:11 +02:00
himem
hwspinlock
i2c drivers/i2c: add ioexpander-based lower-half implementation for I2C bit-bang 2026-01-01 17:08:47 +08:00
i3c style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
input drivers/mpr121: Add support to MPR121 Capacitive Keypad 2026-04-23 15:56:32 -03:00
ioexpander ioexpander/iso1i813t: add option to check errors during read 2026-03-18 15:00:48 -03:00
lcd style: Fix "the the" typo across the codebase. 2026-03-23 11:07:49 +01:00
leds !drivers/pwm: remove PWM_MULTICHAN option 2026-05-18 11:35:25 -04:00
lib !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
math drivers/math: use small lock to replace enter_critical_section 2026-01-08 11:17:17 +08:00
mbox
mm protect: move us_heap to userspace_data_s 2026-02-02 11:06:53 +08:00
modem style: fix checkpatch issues after debug.h move 2026-04-07 07:50:06 -03:00
motor style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
mtd drivers/mtd/gd25: add QSPI support 2026-06-21 09:43:29 -03:00
net style: Fix "the the" typo across the codebase. 2026-03-23 11:07:49 +01:00
note note/ram: support multiple noterams to dump data when panic occurs 2026-01-24 19:33:17 +08:00
nx nuttx/nx: compilation error occurs 2026-04-14 13:35:26 +08:00
pci drivers/pci:write legacy num to config space when enable legacy irq 2026-01-30 12:50:42 +08:00
pinctrl
power style: Fix "the the" typo across the codebase. 2026-03-23 11:07:49 +01:00
rc style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
regmap
reset style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
rf
rpmsg drivers/rpmsg: use NuttX atomic_t API instead of C11 atomics 2026-05-21 06:28:36 +08:00
rptun rptun: add configuring the stack of rptun as static 2026-01-19 14:18:27 +08:00
segger
sensors arch/nrf91: expose GNSS priority as a control ioctl 2026-06-14 08:46:46 -03:00
serial drivers/serial: add job-control TTY ioctls and libc wrappers 2026-06-23 16:26:53 -03:00
spi stm32h5/qspi: add QSPIMEM_QUADDATA flag for 1-1-4 transfers 2026-06-21 09:43:29 -03:00
syslog driver/ramlog: Implement the rate limiting function for ramlog driver. 2026-01-27 03:17:05 +08:00
timers !drivers: separate pulse count feature from PWM driver 2026-05-25 14:33:11 +02:00
usb drivers/usbhost/usbhost_cdcecm.c: Added support for Host CDC-ECM 2026-05-06 06:20:03 +08:00
usrsock
vhost drivers/vhost: add vhost_get_vq_buffers() to collect scatter-gather buffers 2026-02-04 02:32:02 +08:00
video video/fb: fix compilation errors 2026-04-13 19:55:44 +08:00
virtio include/nuttx/virtio: allow common virtio helpers to be used by vhost 2026-02-04 02:32:02 +08:00
wireless wireless/cc1101: Add MSK/4-FSK, dynamic PATABLE ramping, and fix IOCTL safety 2026-03-11 16:05:19 +01:00
.gitignore
addrenv.h addrenv: support addrenv when mpu is used 2026-01-26 16:27:19 +08:00
allsyms.h
arch.h style: Fix "the the" typo across the codebase. 2026-03-23 11:07:49 +01:00
ascii.h
atexit.h
atomic.h include/nuttx/atomic.h: fix C++ definition conflicts 2025-12-22 15:27:39 +08:00
bits.h
board.h drivers/usbhost/usbhost_enumerate.c: Allow selecting USB configuration 2026-05-06 06:20:03 +08:00
cache.h nuttx/cache.h: fix the compile warning in sim when enable OpenAMP 2025-12-31 02:36:29 +08:00
can.h drivers/can: move CAN utils to CAN common files 2025-05-14 10:30:25 -03:00
cancelpt.h sched/cancelpt: Fix MISRA C 2012 Rule 10.4 violations 2026-02-02 21:09:40 +08:00
circbuf.h
clock.h !sys/types.h: change time_t and clock_t to int64_t to align with other OSes 2026-05-19 16:21:28 +08:00
clock_notifier.h fs/timerfd: implement TFD_TIMER_CANCEL_ON_SET to detect clock changes 2026-01-30 17:20:24 +08:00
compiler.h !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
coredump.h
crc8.h libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
crc16.h libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
crc32.h libs/crc: implement AUTOSAR-compatible CRC algorithm 2026-01-30 17:32:15 +08:00
crc64.h !compiler: drop CONFIG_HAVE_LONG_LONG and require long long support 2026-05-19 16:21:28 +08:00
debug.h include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
elf.h
environ.h
envpath.h
ethtool.h
event.h [!] sched/event: Remove wait object dependency from event implementation 2025-10-31 19:56:32 -03:00
fdcheck.h
fdt.h qemu/armv7a: register cfi flash 2025-02-11 17:23:44 +08:00
gdbstub.h
hashtable.h
hrtimer.h sched/hrtimer: Update the comments. 2026-02-02 13:26:22 +08:00
idr.h
init.h sched: add trace points during system startup and board initialization 2026-01-27 03:18:11 +08:00
instrument.h style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
ipcc.h style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
irq.h sched/irq: Consolidate IRQ bounds checking into IRQ_TO_NDX macro 2026-01-28 13:35:30 +08:00
kmalloc.h
kthread.h
lin.h LIN:adjust the LIN flag 2026-01-08 23:15:31 +08:00
lirc.h
list.h list: Fix the list conflicts. 2026-01-19 14:12:09 +08:00
list_type.h list: Fix the list conflicts. 2026-01-19 14:12:09 +08:00
macro.h macro: use portable variadic macros 2026-01-22 22:14:00 +08:00
memoryregion.h
mmcsd.h
module.h libc/elf: rename modlib to libelf 2025-04-11 09:43:22 +08:00
mqueue.h !sys/types.h: change time_t and clock_t to int64_t to align with other OSes 2026-05-19 16:21:28 +08:00
mutex.h sched/pthread: move pthread mutex from syscall to user-space 2026-01-22 12:40:49 -03:00
notifier.h include/debug.h: Move to include/nuttx/debug.h 2026-04-07 07:50:06 -03:00
nuttx.h
page.h style: Fix "is is" typo across the codebase. 2026-03-24 09:39:26 +08:00
panic_notifier.h
pgalloc.h mm/gran: add gran_alloc_align API 2025-05-12 15:01:37 +08:00
progmem.h
pthread.h pthread: move pthread_cond to userspace 2026-01-26 16:26:39 +08:00
queue.h
random.h
reboot_notifier.h
rwsem.h sched/sem_rw.c: Add downgrade_write API for sem_rw 2026-01-07 22:47:09 +08:00
sched.h arch, sched/signal: Fix compilation with ENABLE_PARTIAL_SIGNALS=y 2026-06-16 17:07:32 +08:00
sched_note.h note: add NOTE_DUMP_BINARY support for binary log dumping 2026-01-27 21:56:03 +08:00
scsi.h style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
sdio.h docs/sdio: clarify 136-bit R2 format 2026-03-17 18:14:10 -03:00
sdio_slave.h style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
semaphore.h include/nuttx/semaphore.h: parenthesize NXSEM helper args 2026-06-05 10:35:46 -04:00
seqlock.h seqlock: Fix struct name and constants. 2025-12-22 10:22:06 -03:00
signal.h sched/signal: Remove shadow definitions to reduce unnecessary API 2025-10-14 17:40:18 +08:00
spawn.h
spinlock.h sched/spinlock: Add time statistics in func enter_critical_section(). 2026-01-27 21:59:14 +08:00
spinlock_type.h seqlock: Fix struct name and constants. 2025-12-22 10:22:06 -03:00
streams.h libc/stream: Add support for lib_scanf 2025-06-20 09:48:39 +08:00
symtab.h
tee.h drivers/misc/optee: Expanded RPC support. 2025-08-06 02:29:33 +08:00
thermal.h drivers/thermal: Add support for passive trip point 2025-02-16 11:22:41 -03:00
tls.h pthread: remove tl_lock 2026-01-26 20:56:12 +08:00
trace.h trace: fix macro line continuation formatting 2026-01-25 10:45:26 -03:00
uorb.h drivers/sensors: add initial support for fixed-point data for sensors 2026-05-02 00:56:42 +08:00
userspace.h protect: move us_heap to userspace_data_s 2026-02-02 11:06:53 +08:00
vt100.h
wdog.h !sys/types.h: change time_t and clock_t to int64_t to align with other OSes 2026-05-19 16:21:28 +08:00
wqueue.h !sys/types.h: change time_t and clock_t to int64_t to align with other OSes 2026-05-19 16:21:28 +08:00
zoneinfo.h