posix: Ensure CLOCK_REALTIME and CLOCK_MONOTONIC use Zephyr clock IDs #8
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Some toolchains may define CLOCK_REALTIME and CLOCK_MONOTONIC in their libc headers with values that differ from Zephyr's internal SYS_CLOCK_REALTIME and SYS_CLOCK_MONOTONIC. To ensure consistent behavior across all boards and toolchains, undefine these macros and redefine them to match Zephyr's expected clock IDs. This prevents mismatched clock IDs being passed to the kernel, avoiding invalid clockid errors when using functions like clock_gettime(). Signed-off-by: Mohamed Moawad <moawad@synopsys.com>
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Some toolchains may define CLOCK_REALTIME and
CLOCK_MONOTONIC in their libc headers
with values that differ from Zephyr's internal
SYS_CLOCK_REALTIME and SYS_CLOCK_MONOTONIC.
To ensure consistent behavior across all boards and toolchains, undefine these macros and redefine them to match Zephyr's expected clock IDs.
This prevents mismatched clock IDs being passed to the kernel, avoiding invalid clockid errors when using functions like clock_gettime().
Fixing issue: zephyrproject-rtos#93073