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std.os.getrusage: add C extern fn and reserved field 

* add reserved field to match musl struct definition so that
   it will work with musl libc.
 * add libc getrusage so that it will work with libc

what's not done in this branch is:
 * test coverage. See #1629, which should also aim to provide
   general test coverage for the std lib.
 * rusage struct bits for non-linux operating systems
master
Andrew Kelley 2020-01-05 16:57:14 -05:00
parent 2f6b045fb1
commit fee9318b17
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2 changed files with 2 additions and 0 deletions
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1
lib/std/c.zig
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@ -109,6 +109,7 @@ pub extern "c" fn setreuid(ruid: c_uint, euid: c_uint) c_int;
pub extern "c" fn setregid(rgid: c_uint, egid: c_uint) c_int; pub extern "c" fn setregid(rgid: c_uint, egid: c_uint) c_int;
pub extern "c" fn rmdir(path: [*:0]const u8) c_int; pub extern "c" fn rmdir(path: [*:0]const u8) c_int;
pub extern "c" fn getenv(name: [*:0]const u8) ?[*:0]u8; pub extern "c" fn getenv(name: [*:0]const u8) ?[*:0]u8;
pub extern "c" fn getrusage(who: c_int, usage: *rusage) c_int;
pub extern "c" fn sysctl(name: [*]const c_int, namelen: c_uint, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int; pub extern "c" fn sysctl(name: [*]const c_int, namelen: c_uint, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int;
pub extern "c" fn sysctlbyname(name: [*:0]const u8, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int; pub extern "c" fn sysctlbyname(name: [*:0]const u8, oldp: ?*c_void, oldlenp: ?*usize, newp: ?*c_void, newlen: usize) c_int;
pub extern "c" fn sysctlnametomib(name: [*:0]const u8, mibp: ?*c_int, sizep: ?*usize) c_int; pub extern "c" fn sysctlnametomib(name: [*:0]const u8, mibp: ?*c_int, sizep: ?*usize) c_int;

1
lib/std/os/bits/linux.zig
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@ -1475,4 +1475,5 @@ pub const rusage = extern struct {
nsignals: isize, nsignals: isize,
nvcsw: isize, nvcsw: isize,
nivcsw: isize, nivcsw: isize,
__reserved: [16]isize = [1]isize{0} ** 16,
}; };