Commit 599b3ef9e947f044799d11aecf0dfe659f9a7728 | zig

author	Michael Dusan <michael.dusan@gmail.com> 2023-01-27 13:27:41-05:00
committer	Andrew Kelley <andrew@ziglang.org> 2023-01-28 19:05:38-05:00
log	599b3ef9e947f044799d11aecf0dfe659f9a7728
tree	31399068174f1e2b7a75cbf9e98dfbef6df5c391
parent	2b27bc2c65195a82e96995669314a86c76203a3e

netbsd: use versioned __msync13 from libc

The system linker shows warning when `msync` is linked instead of `__msync13`:

  "warning: reference to compatibility msync(); include <sys/mman.h> for correct reference"

closes #14422

2 files changed, 5 insertions(+), 1 deletions(-)

lib
- std
  - c.zig
  - c
    netbsd.zig

lib/std/c.zig+2-1

...	...	@@ -90,6 +90,8 @@ pub usingnamespace switch (builtin.os.tag) {
90	90	pub extern "c" fn stat(noalias path: [:0]const u8, noalias buf: c.Stat) c_int;
91	91
92	92	pub extern "c" fn alarm(seconds: c_uint) c_uint;
	93
	94	pub extern "c" fn msync(addr: *align(page_size) const anyopaque, len: usize, flags: c_int) c_int;
93	95	},
94	96	};
95	97
...	...	@@ -145,7 +147,6 @@ pub extern "c" fn write(fd: c.fd_t, buf: [*]const u8, nbyte: usize) isize;
145	147	pub extern "c" fn pwrite(fd: c.fd_t, buf: [*]const u8, nbyte: usize, offset: c.off_t) isize;
146	148	pub extern "c" fn mmap(addr: ?align(page_size) anyopaque, len: usize, prot: c_uint, flags: c_uint, fd: c.fd_t, offset: c.off_t) anyopaque;
147	149	pub extern "c" fn munmap(addr: *align(page_size) const anyopaque, len: usize) c_int;
148		pub extern "c" fn msync(addr: *align(page_size) const anyopaque, len: usize, flags: c_int) c_int;
149	150	pub extern "c" fn mprotect(addr: *align(page_size) anyopaque, len: usize, prot: c_uint) c_int;
150	151	pub extern "c" fn link(oldpath: [:0]const u8, newpath: [:0]const u8, flags: c_int) c_int;
151	152	pub extern "c" fn linkat(oldfd: c.fd_t, oldpath: [:0]const u8, newfd: c.fd_t, newpath: [:0]const u8, flags: c_int) c_int;

lib/std/c/netbsd.zig+3

...	...	@@ -59,6 +59,9 @@ pub const sched_yield = __libc_thr_yield;
59	59
60	60	pub extern "c" fn posix_memalign(memptr: ?anyopaque, alignment: usize, size: usize) c_int;
61	61
	62	pub extern "c" fn __msync13(addr: *align(std.mem.page_size) const anyopaque, len: usize, flags: c_int) c_int;
	63	pub const msync = __msync13;
	64
62	65	pub const pthread_mutex_t = extern struct {
63	66	magic: u32 = 0x33330003,
64	67	errorcheck: padded_pthread_spin_t = 0,