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Add getppid to std.c and std.os.linux.

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The std lib is missing getppid, this patch adds it.
This commit is contained in:
Jeffrey C. Ollie 2024-07-29 13:07:19 -05:00 committed by Andrew Kelley
parent 87e8fc1ade
commit 979fd12be9
3 changed files with 9 additions and 0 deletions
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1
lib/std/c.zig
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@ -9351,6 +9351,7 @@ pub extern "c" fn setlogmask(maskpri: c_int) c_int;
pub extern "c" fn if_nametoindex([*:0]const u8) c_int;
pub extern "c" fn getpid() pid_t;
pub extern "c" fn getppid() pid_t;
/// These are implementation defined but share identical values in at least musl and glibc:
/// - https://git.musl-libc.org/cgit/musl/tree/include/locale.h?id=ab31e9d6a0fa7c5c408856c89df2dfb12c344039#n18

4
lib/std/os/linux.zig
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@ -1614,6 +1614,10 @@ pub fn getpid() pid_t {
return @bitCast(@as(u32, @truncate(syscall0(.getpid))));
}
pub fn getppid() pid_t {
return @bitCast(@as(u32, @truncate(syscall0(.getppid))));
}
pub fn gettid() pid_t {
return @bitCast(@as(u32, @truncate(syscall0(.gettid))));
}

4
lib/std/os/linux/test.zig
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@ -32,6 +32,10 @@ test "getpid" {
try expect(linux.getpid() != 0);
}
test "getppid" {
try expect(linux.getppid() != 0);
}
test "timer" {
const epoll_fd = linux.epoll_create();
var err: linux.E = linux.E.init(epoll_fd);