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x86 32-bit Operating Systems Aren't Dead Yet: New Linux Patches Improve 32-bit PAE
(www.phoronix.com)
The OS ain't dead 'til the hardware is dead
this post was submitted on 23 Jan 2025
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Won't they essentially be dead ~2038?
I believe they use 64 bit time even on 32 bit systems
My 32-bit VM:
type : size (bytes)
int : 4
long : 4
long long: 8
double : 8
time_t : 4
float : 4
l double : 12
int8_t : 1 INT8_MAX : 127
int16_t : 2 INT16_MAX : 32767
int32t : 4 INT32_MAX : 2147483647
int64_t : 8 INT64_MAX : 9223372036854775807
uint8_t : 1 UINT8_MAX : 255
uint16_t : 2 UINT16_MAX: 65535
uint32t : 4 UINT32_MAX: 4294967295
uint64_t : 8 UINT64_MAX: 18446744073709551615
It does support 64-bit sizes, weirdly enough time_t is not one of them.
time_t will remain 32-bit to avoid breaking ABI compatibility. However, Linux on 32-bit platforms has a full set of syscalls that return time64_t values. I don't know about other distros, but since 24.04 Ubuntu has had everything in its repositories using those calls.