▲ 62 ▼ x86 32-bit Operating Systems Aren't Dead Yet: New Linux Patches Improve 32-bit PAE (www.phoronix.com) submitted 2 years ago by cm0002@lemmy.world to c/linux@programming.dev 5 comments fedilink hide all child comments
[–] AstralPath@lemmy.ca 5 points 2 years ago (3 children) Won't they essentially be dead ~2038? permalink fedilink source hideshow 3 child comments replies: [–] sudoku@programming.dev 4 points 2 years ago (2 children) I believe they use 64 bit time even on 32 bit systems permalink fedilink source parent hideshow 2 child comments replies: [–] 0x0@programming.dev 7 points 2 years ago (1 child) 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. permalink fedilink source parent hideshow 1 child comment replies: [–] lengau@midwest.social 5 points 2 years ago 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. permalink fedilink source parent
[–] sudoku@programming.dev 4 points 2 years ago (2 children) I believe they use 64 bit time even on 32 bit systems permalink fedilink source parent hideshow 2 child comments replies: [–] 0x0@programming.dev 7 points 2 years ago (1 child) 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. permalink fedilink source parent hideshow 1 child comment replies: [–] lengau@midwest.social 5 points 2 years ago 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. permalink fedilink source parent
[–] 0x0@programming.dev 7 points 2 years ago (1 child) 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. permalink fedilink source parent hideshow 1 child comment replies: [–] lengau@midwest.social 5 points 2 years ago 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. permalink fedilink source parent
[–] lengau@midwest.social 5 points 2 years ago 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. permalink fedilink source parent