| ... | ... | @@ -3197,7 +3197,7 @@ fn buildOutputType( |
| 3197 | 3197 | break :b .incremental; |
| 3198 | 3198 | }; |
| 3199 | 3199 | |
| 3200 | | gimmeMoreOfThoseSweetSweetFileDescriptors(); |
| 3200 | process.raiseFileDescriptorLimit(); |
| 3201 | 3201 | |
| 3202 | 3202 | const comp = Compilation.create(gpa, arena, .{ |
| 3203 | 3203 | .zig_lib_directory = zig_lib_directory, |
| ... | ... | @@ -4908,7 +4908,7 @@ fn cmdBuild(gpa: Allocator, arena: Allocator, args: []const []const u8) !void { |
| 4908 | 4908 | .basename = exe_basename, |
| 4909 | 4909 | }; |
| 4910 | 4910 | |
| 4911 | | gimmeMoreOfThoseSweetSweetFileDescriptors(); |
| 4911 | process.raiseFileDescriptorLimit(); |
| 4912 | 4912 | |
| 4913 | 4913 | var zig_lib_directory: Compilation.Directory = if (override_lib_dir) |lib_dir| .{ |
| 4914 | 4914 | .path = lib_dir, |
| ... | ... | @@ -5973,55 +5973,6 @@ fn parseCodeModel(arg: []const u8) std.builtin.CodeModel { |
| 5973 | 5973 | fatal("unsupported machine code model: '{s}'", .{arg}); |
| 5974 | 5974 | } |
| 5975 | 5975 | |
| 5976 | | /// Raise the open file descriptor limit. Ask and ye shall receive. |
| 5977 | | /// For one example of why this is handy, consider the case of building musl libc. |
| 5978 | | /// We keep a lock open for each of the object files in the form of a file descriptor |
| 5979 | | /// until they are finally put into an archive file. This is to allow a zig-cache |
| 5980 | | /// garbage collector to run concurrently to zig processes, and to allow multiple |
| 5981 | | /// zig processes to run concurrently with each other, without clobbering each other. |
| 5982 | | fn gimmeMoreOfThoseSweetSweetFileDescriptors() void { |
| 5983 | | const have_rlimit = switch (native_os) { |
| 5984 | | .windows, .wasi => false, |
| 5985 | | else => true, |
| 5986 | | }; |
| 5987 | | if (!have_rlimit) return; |
| 5988 | | const posix = std.posix; |
| 5989 | | |
| 5990 | | var lim = posix.getrlimit(.NOFILE) catch return; // Oh well; we tried. |
| 5991 | | if (native_os.isDarwin()) { |
| 5992 | | // On Darwin, `NOFILE` is bounded by a hardcoded value `OPEN_MAX`. |
| 5993 | | // According to the man pages for setrlimit(): |
| 5994 | | // setrlimit() now returns with errno set to EINVAL in places that historically succeeded. |
| 5995 | | // It no longer accepts "rlim_cur = RLIM.INFINITY" for RLIM.NOFILE. |
| 5996 | | // Use "rlim_cur = min(OPEN_MAX, rlim_max)". |
| 5997 | | lim.max = @min(std.c.OPEN_MAX, lim.max); |
| 5998 | | } |
| 5999 | | if (lim.cur == lim.max) return; |
| 6000 | | |
| 6001 | | // Do a binary search for the limit. |
| 6002 | | var min: posix.rlim_t = lim.cur; |
| 6003 | | var max: posix.rlim_t = 1 << 20; |
| 6004 | | // But if there's a defined upper bound, don't search, just set it. |
| 6005 | | if (lim.max != posix.RLIM.INFINITY) { |
| 6006 | | min = lim.max; |
| 6007 | | max = lim.max; |
| 6008 | | } |
| 6009 | | |
| 6010 | | while (true) { |
| 6011 | | lim.cur = min + @divTrunc(max - min, 2); // on freebsd rlim_t is signed |
| 6012 | | if (posix.setrlimit(.NOFILE, lim)) |_| { |
| 6013 | | min = lim.cur; |
| 6014 | | } else |_| { |
| 6015 | | max = lim.cur; |
| 6016 | | } |
| 6017 | | if (min + 1 >= max) break; |
| 6018 | | } |
| 6019 | | } |
| 6020 | | |
| 6021 | | test "fds" { |
| 6022 | | gimmeMoreOfThoseSweetSweetFileDescriptors(); |
| 6023 | | } |
| 6024 | | |
| 6025 | 5976 | const usage_ast_check = |
| 6026 | 5977 | \\Usage: zig ast-check [file] |
| 6027 | 5978 | \\ |
Andrew Kelley <andrew@ziglang.org> 2024-05-03 18:10:33-07:00
lib