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Merge pull request #25820 from GiuseppeCesarano/process

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Child.start_suspended ported to posix
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Alex Rønne Petersen 2025-11-07 23:17:55 +01:00 committed by GitHub
commit bf15c791fa
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3 changed files with 29 additions and 2 deletions
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8
lib/std/posix.zig
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@ -1699,6 +1699,14 @@ pub fn dup2(old_fd: fd_t, new_fd: fd_t) !void {
}
}
pub fn getpid() pid_t {
return system.getpid();
}
pub fn getppid() pid_t {
return system.getppid();
}
pub const ExecveError = error{
SystemResources,
AccessDenied,

15
lib/std/posix/test.zig
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@ -621,6 +621,21 @@ test "dup & dup2" {
try testing.expectEqualStrings("dupdup2", try tmp.dir.readFile("os_dup_test", &buffer));
}
test "getpid" {
if (native_os == .wasi) return error.SkipZigTest;
if (native_os == .windows) return error.SkipZigTest;
try expect(posix.getpid() != 0);
}
test "getppid" {
if (native_os == .wasi) return error.SkipZigTest;
if (native_os == .windows) return error.SkipZigTest;
if (native_os == .plan9 and !builtin.link_libc) return error.SkipZigTest;
try expect(posix.getppid() >= 0);
}
test "writev longer than IOV_MAX" {
if (native_os == .windows or native_os == .wasi) return error.SkipZigTest;

8
lib/std/process/Child.zig
View File

@ -85,8 +85,8 @@ expand_arg0: Arg0Expand,
/// Darwin-only. Disable ASLR for the child process.
disable_aslr: bool = false,
/// Darwin and Windows only. Start child process in suspended state. For Darwin it's started
/// as if SIGSTOP was sent.
/// Start child process in suspended state.
/// For Posix systems it's started as if SIGSTOP was sent.
start_suspended: bool = false,
/// Windows-only. Sets the CREATE_NO_WINDOW flag in CreateProcess.
@ -669,6 +669,10 @@ fn spawnPosix(self: *ChildProcess) SpawnError!void {
posix.setpgid(0, pid) catch |err| forkChildErrReport(err_pipe[1], err);
}
if (self.start_suspended) {
posix.kill(posix.getpid(), .STOP) catch |err| forkChildErrReport(err_pipe[1], err);
}
const err = switch (self.expand_arg0) {
.expand => posix.execvpeZ_expandArg0(.expand, argv_buf.ptr[0].?, argv_buf.ptr, envp),
.no_expand => posix.execvpeZ_expandArg0(.no_expand, argv_buf.ptr[0].?, argv_buf.ptr, envp),