ed/Odin
1
0
Fork 0
mirror of https://github.com/Ed94/Odin.git synced 2026-06-25 23:14:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

fix child pipe in process_start

Browse Source
This commit is contained in:
jason
2024-08-09 15:21:11 -04:00
parent c4d43bbab0
commit baacc512e3
1 changed files with 6 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
core/os/os2/process_linux.odin
+6 -6
View File
@@ -388,6 +388,11 @@ _process_start :: proc(desc: Process_Desc) -> (process: Process, err: Error) {
env = &cenv[0]
}
child_pipe_fds: [2]linux.Fd
if errno = linux.pipe2(&child_pipe_fds, {.CLOEXEC}); errno != .NONE {
return process, _get_platform_error(errno)
}
// TODO: This is the traditional textbook implementation with fork.
// A more efficient implementation with vfork:
//
@@ -412,15 +417,10 @@ _process_start :: proc(desc: Process_Desc) -> (process: Process, err: Error) {
READ :: 0
WRITE :: 1
child_pipe_fds: [2]linux.Fd
if errno = linux.pipe2(&child_pipe_fds, {.CLOEXEC}); errno != .NONE {
return process, _get_platform_error(errno)
}
if pid == 0 {
// in child process now
write_errno_to_parent_and_abort :: proc(parent_fd: linux.Fd, errno: linux.Errno) -> ! {
error_byte: [1]u8 = { u8(i32(errno) * -1) }
error_byte: [1]u8 = { u8(errno) }
linux.write(parent_fd, error_byte[:])
intrinsics.trap()
}