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Make sync calls contextless where possible

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This commit is contained in:
gingerBill
2022-12-08 15:55:53 +00:00
parent 9cb9964c2d
commit 20943a81c1
11 changed files with 171 additions and 155 deletions
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core/sync/futex_linux.odin
+10 -10
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@@ -21,20 +21,20 @@ EFAULT :: -14
EINVAL :: -22
ETIMEDOUT :: -110
get_errno :: proc(r: int) -> int {
get_errno :: proc "contextless" (r: int) -> int {
if -4096 < r && r < 0 {
return r
}
return 0
}
internal_futex :: proc(f: ^Futex, op: c.int, val: u32, timeout: rawptr) -> int {
internal_futex :: proc "contextless" (f: ^Futex, op: c.int, val: u32, timeout: rawptr) -> int {
code := int(intrinsics.syscall(unix.SYS_futex, uintptr(f), uintptr(op), uintptr(val), uintptr(timeout), 0, 0))
return get_errno(code)
}
_futex_wait :: proc(f: ^Futex, expected: u32) -> bool {
_futex_wait :: proc "contextless" (f: ^Futex, expected: u32) -> bool {
err := internal_futex(f, FUTEX_WAIT_PRIVATE | FUTEX_WAIT, expected, nil)
switch err {
case ESUCCESS, EINTR, EAGAIN, EINVAL:
@@ -44,12 +44,12 @@ _futex_wait :: proc(f: ^Futex, expected: u32) -> bool {
case EFAULT:
fallthrough
case:
panic("futex_wait failure")
_panic("futex_wait failure")
}
return true
}
_futex_wait_with_timeout :: proc(f: ^Futex, expected: u32, duration: time.Duration) -> bool {
_futex_wait_with_timeout :: proc "contextless" (f: ^Futex, expected: u32, duration: time.Duration) -> bool {
if duration <= 0 {
return false
}
@@ -71,27 +71,27 @@ _futex_wait_with_timeout :: proc(f: ^Futex, expected: u32, duration: time.Durati
case EFAULT:
fallthrough
case:
panic("futex_wait_with_timeout failure")
_panic("futex_wait_with_timeout failure")
}
return true
}
_futex_signal :: proc(f: ^Futex) {
_futex_signal :: proc "contextless" (f: ^Futex) {
err := internal_futex(f, FUTEX_WAKE_PRIVATE | FUTEX_WAKE, 1, nil)
switch err {
case ESUCCESS, EINVAL, EFAULT:
// okay
case:
panic("futex_wake_single failure")
_panic("futex_wake_single failure")
}
}
_futex_broadcast :: proc(f: ^Futex) {
_futex_broadcast :: proc "contextless" (f: ^Futex) {
err := internal_futex(f, FUTEX_WAKE_PRIVATE | FUTEX_WAKE, u32(max(i32)), nil)
switch err {
case ESUCCESS, EINVAL, EFAULT:
// okay
case:
panic("_futex_wake_all failure")
_panic("_futex_wake_all failure")
}
}