extract std.posix from std.os

closes #5019

Author: andrewrk

CMakeLists.txt

@@ -286,7 +286,6 @@ set(ZIG_STAGE2_SOURCES
     "${CMAKE_SOURCE_DIR}/lib/std/multi_array_list.zig"
     "${CMAKE_SOURCE_DIR}/lib/std/os.zig"
     "${CMAKE_SOURCE_DIR}/lib/std/os/linux.zig"
-    "${CMAKE_SOURCE_DIR}/lib/std/os/linux/errno/generic.zig"
     "${CMAKE_SOURCE_DIR}/lib/std/os/linux/x86_64.zig"
     "${CMAKE_SOURCE_DIR}/lib/std/os/linux.zig"
     "${CMAKE_SOURCE_DIR}/lib/std/os/linux/IoUring.zig"

build.zig

@@ -882,7 +882,7 @@ fn findConfigH(b: *std.Build, config_h_path_option: ?[]const u8) ?[]const u8 {
             return path;
         } else |_| {
             std.log.err("Could not open provided config.h: \"{s}\"", .{path});
-            std.os.exit(1);
+            std.process.exit(1);
         }
     }
 

lib/std/Random/benchmark.zig

@@ -144,15 +144,15 @@ pub fn main() !void {
             i += 1;
             if (i == args.len) {
                 usage();
-                std.os.exit(1);
+                std.process.exit(1);
             }
 
             filter = args[i];
         } else if (std.mem.eql(u8, args[i], "--count")) {
             i += 1;
             if (i == args.len) {
                 usage();
-                std.os.exit(1);
+                std.process.exit(1);
             }
 
             const c = try std.fmt.parseUnsigned(usize, args[i], 10);
@@ -170,7 +170,7 @@ pub fn main() !void {
             return;
         } else {
             usage();
-            std.os.exit(1);
+            std.process.exit(1);
         }
     }