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Clarify what umtx is

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Feoramund
2024-08-04 22:24:55 -04:00
parent 8b915aae5e
commit 3f9ddfe029
2 changed files with 2 additions and 2 deletions
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core/sys/freebsd/syscalls.odin
+1 -1
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@@ -450,7 +450,7 @@ sysctl :: proc "contextless" (mib: []MIB_Identifier, oldp: rawptr, oldlenp: ^c.s
// The _umtx_op() system call is non-standard and is used by the 1:1 Threading // The _umtx_op() system call is non-standard and is used by the 1:1 Threading
// Library (libthr, -lthr) to implement IEEE Std 1003.1-2001 (“POSIX.1”) // Library (libthr, -lthr) to implement IEEE Std 1003.1-2001 (“POSIX.1”)
// pthread(3) functionality. // pthread(3) functionality.
_umtx_op :: proc "contextless" (obj: rawptr, op: Mutex_Operation, val: c.ulong, uaddr, uaddr2: rawptr) -> Errno { _umtx_op :: proc "contextless" (obj: rawptr, op: Userland_Mutex_Operation, val: c.ulong, uaddr, uaddr2: rawptr) -> Errno {
result, _ := intrinsics.syscall_bsd(SYS__umtx_op, result, _ := intrinsics.syscall_bsd(SYS__umtx_op,
cast(uintptr)obj, cast(uintptr)obj,
cast(uintptr)op, cast(uintptr)op,
core/sys/freebsd/types.odin
+1 -1
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@@ -1546,7 +1546,7 @@ Socket_Address_Internet6 :: struct #packed {
/* op code for _umtx_op */ /* op code for _umtx_op */
// #define UMTX_OP_* // #define UMTX_OP_*
Mutex_Operation :: enum c.int { Userland_Mutex_Operation :: enum c.int {
LOCK = 0, /* COMPAT10 */ LOCK = 0, /* COMPAT10 */
UNLOCK = 1, /* COMPAT10 */ UNLOCK = 1, /* COMPAT10 */
WAIT = 2, WAIT = 2,