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nuttx/include/nuttx
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Xiang Xiao c47b1e2c5b !sys/types.h: change time_t and clock_t to int64_t to align with other OSes 
POSIX leaves the signedness of time_t and clock_t unspecified, but
mainstream implementations (Linux glibc/musl, the BSDs, macOS, RTEMS,
Zephyr's POSIX layer, Windows _time64) expose time_t as signed 64-bit.
NuttX has historically used uint64_t only because it was tied to the
CONFIG_SYSTEM_TIME64 knob; with that gone, switch:

  time_t   : uint64_t  -> int64_t
  clock_t  : uint64_t  -> int64_t
  CLOCK_MAX: UINT64_MAX -> INT64_MAX

This lets (time_t)-1 sentinels, negative tick deltas, and host-side
headers behave as on every other POSIX system without source churn.

Headers updated:
  - include/sys/types.h, include/limits.h, include/nuttx/clock.h
  - include/nuttx/fs/hostfs.h (nuttx_time_t alias)
  - include/nuttx/{mqueue.h,wdog.h,wqueue.h,timers/clkcnt.h}

Because clock_t is now signed 64-bit, the NuttX-internal sclock_t
alias becomes redundant: every sclock_t/SCLOCK_MAX use is folded
back to clock_t/CLOCK_MAX (notably in sched/wdog, sched/mqueue,
sched/sched, sched/clock, sched/timer, libs/libc/time, fs/vfs and
the drivers/arch consumers below).

Tick/period constants (NSEC_PER_SEC, USEC_PER_SEC, MSEC_PER_SEC,
SEC_PER_MIN, ...) in include/nuttx/clock.h are retyped from "long"
literals to INT64_C(...) so that 64-bit arithmetic no longer
depends on the host's long width.

Strip now-redundant (time_t)/(clock_t)/(unsigned long) casts and
unsigned-only branches across the tree:
  - arch RTC / oneshot / tickless lowerhalfs:
      arm: cxd56xx, efm32, imxrt, lc823450, max326xx, sam34, sama5,
           samd5e5, samv7, stm32, stm32f7, stm32h7, stm32l4, stm32wb,
           xmc4
      mips: pic32mz       sparc: bm3803       x86_64: intel64
      risc-v/xtensa: espressif (esp_i2c[_slave], esp_rtc,
           esp32c3{_i2c,_rtc,_wifi_adapter}, esp32{,s2,s3}_*),
           mpfs_perf
  - drivers: audio/tone, input/aw86225, power/pm/{activity,
           stability}_governor, rpmsg/rpmsg_ping,
           timers/{ds3231,mcp794xx,pcf85263,rx8010},
           wireless/ieee80211/bcm43xxx, wireless/spirit/spirit_spi
  - core: fs/vfs/{fs_poll,fs_timerfd}, mm/iob/iob_alloc,
          libs/libc/{netdb/lib_dnscache,time/{lib_calendar2utc,
          lib_time}}, net/icmp/icmp_pmtu, net/icmpv6/icmpv6_pmtu,
          net/ipfrag, net/tcp/{tcp.h,tcp_timer},
          net/utils/net_snoop, net/mld/mld_query (drop the now-dead
          mld_mrc2mrd helper since signed math handles it directly),
          sched/clock/{clock,clock_initialize},
          sched/sched/{sched_profil,sched_setparam,sched_setscheduler},
          sched/pthread/pthread_create,
          sched/wdog/{wd_gettime,wd_start,wdog.h},
          sched/timer/timer_gettime, sched/mqueue/*

Flip the few in-tree printf format strings that assumed an
unsigned 64-bit tv_sec:
  * drivers/rpmsg/rpmsg_ping.c                       PRIu64 -> PRId64
  * arch/xtensa/src/esp32{,s2,s3}/esp32*_oneshot_lowerhalf.c
                                          PRIu32 (already wrong) -> PRId64

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2026-05-19 16:21:28 +08:00
..
1wire 1wire DS2XXX: add 1wire and DS2XXX documentation 2025-10-11 07:39:01 -03:00
aie nuttx ai driver update 2024-10-17 22:35:40 +08:00
analog drivers/adc: Use mutexlock to replace critical section protection 2026-01-05 22:03:12 +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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
contactless include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
coresight style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
crypto crypto/blake2s.h: fix tasking compile warning 2026-01-19 14:16:25 +08:00
dma include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
fs !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
himem include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
hwspinlock include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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: add MTDIOC_ISBAD ioctl 2025-12-23 09:26:34 -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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
reset style: fix spelling in code comments and strings 2025-05-23 10:48:41 +08:00
rf include: migrate license to ASF 2024-11-06 19:46:13 +08:00
rpmsg rpmsg_virtio/rptun: support fallback cpuname when VIRTIO_RPMSG_F_CPUNAME not set 2026-02-04 20:01:13 -03:00
rptun rptun: add configuring the stack of rptun as static 2026-01-19 14:18:27 +08:00
segger include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
sensors drivers/sensors: Add support to MT6816 2026-05-03 07:56:38 -03:00
serial serial/xlnx_ps: add common Xilinx UART Peripheral System (XUARTPS) support 2026-02-27 08:14:03 -03:00
spi drivers/spi: Add SPIDEV_MAG_ENCODER() definition 2026-05-03 07:56:38 -03:00
syslog driver/ramlog: Implement the rate limiting function for ramlog driver. 2026-01-27 03:17:05 +08:00
timers !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
usb drivers/usbhost/usbhost_cdcecm.c: Added support for Host CDC-ECM 2026-05-06 06:20:03 +08:00
usrsock include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
arch.h style: Fix "the the" typo across the codebase. 2026-03-23 11:07:49 +01:00
ascii.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
atexit.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
atomic.h include/nuttx/atomic.h: fix C++ definition conflicts 2025-12-22 15:27:39 +08:00
bits.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 lib/circbuf: add static initialize macro helper 2024-12-17 20:48:23 +08:00
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 coredump: fix issue that nvic region overlapped by board memory region 2025-01-24 09:15:56 +08:00
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 nuttx/elf.h: Fix build error with unknown type name 'bool'. 2024-10-15 12:35:10 +08:00
environ.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
envpath.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
ethtool.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
event.h [!] sched/event: Remove wait object dependency from event implementation 2025-10-31 19:56:32 -03:00
fdcheck.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
fdt.h qemu/armv7a: register cfi flash 2025-02-11 17:23:44 +08:00
gdbstub.h gdbstub: change send buffer to const char 2025-01-20 20:07:13 +08:00
hashtable.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
hrtimer.h sched/hrtimer: Update the comments. 2026-02-02 13:26:22 +08:00
idr.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 userspace: Exclude nuttx/arch.h 2024-11-01 16:59:37 +08:00
kthread.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
lin.h LIN:adjust the LIN flag 2026-01-08 23:15:31 +08:00
lirc.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 libs/misc/memoryregion: remove unused memory_region 2024-10-18 21:32:48 +08:00
mmcsd.h mmcsd:add postsleep fields for mmc_ioc_cmd 2024-10-15 02:06:00 +08:00
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 macro/align: Fix ALIGN_UP and ALIGN_DOWN 2025-01-11 12:13:10 +08:00
page.h style: Fix "is is" typo across the codebase. 2026-03-24 09:39:26 +08:00
panic_notifier.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
pgalloc.h mm/gran: add gran_alloc_align API 2025-05-12 15:01:37 +08:00
progmem.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
pthread.h pthread: move pthread_cond to userspace 2026-01-26 16:26:39 +08:00
queue.h include: queue.h: Make flink clear after sq_rem 2024-10-16 13:56:49 +08:00
random.h libc: Refine the arc4random_buf implementation 2024-10-26 18:04:21 -03:00
reboot_notifier.h include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
rwsem.h sched/sem_rw.c: Add downgrade_write API for sem_rw 2026-01-07 22:47:09 +08:00
sched.h sched/group: skip group_release for kernel thread group 2026-05-08 13:44:51 +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 semaphore.h: fix ubsan error 2026-01-28 12:45:11 -03:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00
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 include: migrate to SPDX identifier 2024-10-04 08:18:42 +08:00