mirror of
https://github.com/Ed94/Odin.git
synced 2026-07-30 19:30:06 +00:00
posix: add package
This commit is contained in:
@@ -2,7 +2,7 @@ package unix
|
||||
|
||||
import "core:c"
|
||||
|
||||
pthread_t :: distinct u64
|
||||
pthread_t :: distinct rawptr
|
||||
|
||||
SEM_T_SIZE :: 8
|
||||
|
||||
|
||||
@@ -5,6 +5,11 @@ foreign import "system:pthread"
|
||||
|
||||
import "core:c"
|
||||
|
||||
timespec :: struct {
|
||||
tv_sec: i64,
|
||||
tv_nsec: i64,
|
||||
}
|
||||
|
||||
//
|
||||
// On success, these functions return 0.
|
||||
//
|
||||
|
||||
@@ -1,83 +0,0 @@
|
||||
//+build linux, darwin, freebsd, openbsd, netbsd, haiku
|
||||
package unix
|
||||
|
||||
when ODIN_OS == .Darwin {
|
||||
foreign import libc "system:System.framework"
|
||||
} else {
|
||||
foreign import libc "system:c"
|
||||
}
|
||||
|
||||
import "core:c"
|
||||
|
||||
when ODIN_OS == .NetBSD {
|
||||
@(default_calling_convention="c")
|
||||
foreign libc {
|
||||
@(link_name="__clock_gettime50") clock_gettime :: proc(clock_id: u64, timespec: ^timespec) -> c.int ---
|
||||
@(link_name="__nanosleep50") nanosleep :: proc(requested, remaining: ^timespec) -> c.int ---
|
||||
@(link_name="sleep") sleep :: proc(seconds: c.uint) -> c.int ---
|
||||
}
|
||||
} else {
|
||||
@(default_calling_convention="c")
|
||||
foreign libc {
|
||||
clock_gettime :: proc(clock_id: u64, timespec: ^timespec) -> c.int ---
|
||||
sleep :: proc(seconds: c.uint) -> c.int ---
|
||||
nanosleep :: proc(requested, remaining: ^timespec) -> c.int ---
|
||||
}
|
||||
}
|
||||
|
||||
timespec :: struct {
|
||||
tv_sec: i64, // seconds
|
||||
tv_nsec: i64, // nanoseconds
|
||||
}
|
||||
|
||||
when ODIN_OS == .OpenBSD {
|
||||
CLOCK_REALTIME :: 0
|
||||
CLOCK_PROCESS_CPUTIME_ID :: 2
|
||||
CLOCK_MONOTONIC :: 3
|
||||
CLOCK_THREAD_CPUTIME_ID :: 4
|
||||
CLOCK_UPTIME :: 5
|
||||
CLOCK_BOOTTIME :: 6
|
||||
|
||||
// CLOCK_MONOTONIC_RAW doesn't exist, use CLOCK_MONOTONIC
|
||||
CLOCK_MONOTONIC_RAW :: CLOCK_MONOTONIC
|
||||
} else {
|
||||
CLOCK_REALTIME :: 0 // NOTE(tetra): May jump in time, when user changes the system time.
|
||||
CLOCK_MONOTONIC :: 1 // NOTE(tetra): May stand still while system is asleep.
|
||||
CLOCK_PROCESS_CPUTIME_ID :: 2
|
||||
CLOCK_THREAD_CPUTIME_ID :: 3
|
||||
CLOCK_MONOTONIC_RAW :: 4 // NOTE(tetra): "RAW" means: Not adjusted by NTP.
|
||||
CLOCK_REALTIME_COARSE :: 5 // NOTE(tetra): "COARSE" clocks are apparently much faster, but not "fine-grained."
|
||||
CLOCK_MONOTONIC_COARSE :: 6
|
||||
CLOCK_BOOTTIME :: 7 // NOTE(tetra): Same as MONOTONIC, except also including time system was asleep.
|
||||
CLOCK_REALTIME_ALARM :: 8
|
||||
CLOCK_BOOTTIME_ALARM :: 9
|
||||
}
|
||||
|
||||
// TODO(tetra, 2019-11-05): The original implementation of this package for Darwin used this constants.
|
||||
// I do not know if Darwin programmers are used to the existance of these constants or not, so
|
||||
// I'm leaving aliases to them for now.
|
||||
CLOCK_SYSTEM :: CLOCK_REALTIME
|
||||
CLOCK_CALENDAR :: CLOCK_MONOTONIC
|
||||
|
||||
boot_time_in_nanoseconds :: proc "c" () -> i64 {
|
||||
ts_now, ts_boottime: timespec
|
||||
clock_gettime(CLOCK_REALTIME, &ts_now)
|
||||
clock_gettime(CLOCK_BOOTTIME, &ts_boottime)
|
||||
|
||||
ns := (ts_now.tv_sec - ts_boottime.tv_sec) * 1e9 + ts_now.tv_nsec - ts_boottime.tv_nsec
|
||||
return i64(ns)
|
||||
}
|
||||
|
||||
seconds_since_boot :: proc "c" () -> f64 {
|
||||
ts_boottime: timespec
|
||||
clock_gettime(CLOCK_BOOTTIME, &ts_boottime)
|
||||
return f64(ts_boottime.tv_sec) + f64(ts_boottime.tv_nsec) / 1e9
|
||||
}
|
||||
|
||||
inline_nanosleep :: proc "c" (nanoseconds: i64) -> (remaining: timespec, res: i32) {
|
||||
s, ns := nanoseconds / 1e9, nanoseconds % 1e9
|
||||
requested := timespec{tv_sec=s, tv_nsec=ns}
|
||||
res = nanosleep(&requested, &remaining)
|
||||
return
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user