Commit 44ea11d71f6a713081e3dec11a08ec322dfeb787 | zig

author	kj4tmp <kj4tmp@gmail.com> 2025-07-15 22:30:58-07:00
committer	Alex Rønne Petersen <alex@alexrp.com> 2025-08-06 12:18:45+02:00
log	44ea11d71f6a713081e3dec11a08ec322dfeb787
tree	efdaf5c5b2aee1f4b72c03e179b46c880499725c
parent	7ee6dab39fac7aa12fa9fd952bb2bdc28d5eabe8

#24471: add mlock syscalls to std.os.linux

1 files changed, 38 insertions(+), 0 deletions(-)

lib
- std
  - os
    linux.zig

lib/std/os/linux.zig+38

...	@@ -1014,6 +1014,44 @@ pub fn munmap(address: [*]const u8, length: usize) usize {	...	@@ -1014,6 +1014,44 @@ pub fn munmap(address: [*]const u8, length: usize) usize {
1014	return syscall2(.munmap, @intFromPtr(address), length);	1014	return syscall2(.munmap, @intFromPtr(address), length);
1015	}	1015	}
1016		1016
		1017	pub fn mlock(address: [*]const u8, length: usize) usize {
		1018	return syscall2(.mlock, @intFromPtr(address), length);
		1019	}
		1020
		1021	pub fn munlock(address: [*]const u8, length: usize) usize {
		1022	return syscall2(.munlock, @intFromPtr(address), length);
		1023	}
		1024
		1025	pub const MLOCK = packed struct(u32) {
		1026	ONFAULT: bool = false,
		1027	_1: u31 = 0,
		1028	};
		1029
		1030	pub fn mlock2(address: [*]const u8, length: usize, flags: MLOCK) usize {
		1031	return syscall3(.mlock2, @intFromPtr(address), length, @as(u32, @bitCast(flags)));
		1032	}
		1033
		1034	pub const MCL = if (native_arch.isSPARC() or native_arch.isPowerPC()) packed struct(u32) {
		1035	_0: u13 = 0,
		1036	CURRENT: bool = false,
		1037	FUTURE: bool = false,
		1038	ONFAULT: bool = false,
		1039	_4: u16 = 0,
		1040	} else packed struct(u32) {
		1041	CURRENT: bool = false,
		1042	FUTURE: bool = false,
		1043	ONFAULT: bool = false,
		1044	_3: u29 = 0,
		1045	};
		1046
		1047	pub fn mlockall(flags: MCL) usize {
		1048	return syscall1(.mlockall, @as(u32, @bitCast(flags)));
		1049	}
		1050
		1051	pub fn munlockall() usize {
		1052	return syscall0(.munlockall);
		1053	}
		1054
1017	pub fn poll(fds: [*]pollfd, n: nfds_t, timeout: i32) usize {	1055	pub fn poll(fds: [*]pollfd, n: nfds_t, timeout: i32) usize {
1018	if (@hasField(SYS, "poll")) {	1056	if (@hasField(SYS, "poll")) {
1019	return syscall3(.poll, @intFromPtr(fds), n, @as(u32, @bitCast(timeout)));	1057	return syscall3(.poll, @intFromPtr(fds), n, @as(u32, @bitCast(timeout)));